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United States, See : Flags, Maps

Chicago

Los Angeles

New York

San Francisco

Washington D.C.

Houston

Las Vegas

Miami

Thomas Jefferson Building, Washington, D.C.

Dallas Museum of Art

Higgins Armory Museum

Nelson-Atkins Museum of Art,

Walters Art Museum

USA, Images

American Civil War, Photography

History

The Discovery of America Vol. 1 (of 2), John Fiske

The Mayflower and Her Log; July 15, 1620-May 6, 1621, Azel Ames

The Colonization of North America, Herbert Eugene Bolton and Thomas Maitland Marshall

Illustrations of the manners, customs, & condition of the North American Indians, Vol. I, Vol. II, by George Catlin

The Vanishing Race , Joseph Kossuth Dixon

The North American Indian , Edward S. Curtis

Geronimo's Story of His Life

Stories the Iroquois Tell Their Children, by Mabel Powers

The Indians of the Painted Desert Region by George Wharton James

Crossing the Plains, Days of '57, William Audley Maxwell

New Discoveries at Jamestown, John L. Cotter, J. Paul Hudson

The Pictorial Field-Book of The Revolution, Vol. 1 , Vol. 2, Benson J. Lossing

Alfred Thayer Mahan : The Major Operations of the Navies in the War of American Independence ,

The Western United States, Harold Wellman Fairbanks

Stories Of Georgia, Joel Chandler Harris
Stories of New Jersey, Frank Richard Stockton
Stories Of Ohio, William Dean Howells

Oahu Traveler's guide, Bill Gleasner and Diana Gleasner

Great Cities of the United States, by Gertrude Van Duyn Southworth and Stephen Elliott Kramer

The Beauties of the State of Washington , Harry F. Giles

Oregon, Washington and Alaska; Sights and Scenes for the Tourist, E. L. Lomax

Colorado--The Bright Romance of American History, F. C. Grable

Rocky Mountain [Colorado] National Park, United States Dept. of the Interior

Through Glacier Park, Mary Roberts Rinehart

Grand Teton [Wyoming] National Park , United States. Dept. of the Interior

Mesa Verde National Park, Colorado, United States. Dept. of the Interior

Sequoia [California] National Park, United States. Dept. of the Interior

The Mountains of Oregon, William Gladstone Steel

The Nation's River, United States. Dept. of the Interior

Wild Life on the Rockies, Enos A. Mills

The Book of the National Parks, Robert Sterling Yard

Camping & Tramping with Roosevelt, John Burroughs

Dutch and English on the Hudson, Maud Wilder Goodwin

The Hudson, Wallace Bruce

The Columbia River, by William Denison Lyman

How Justice Grew, Virginia Counties: An Abstract of Their Formation Martha Woodroof Hiden

The Colonial Architecture of Philadelphia , Frank Cousins and Phil M. Riley

Historic Shrines of America, John Thomson Faris

Complete Story of the San Francisco Horror, Richard Linthicum and Trumbull White and Samuel Fallows

San Francisco in Ruins, A. M. Allison

Unwritten Literature of Hawaii , Nathaniel Bright Emerson

Great Britain and the American Civil War , Ephraim Douglass Adams

The Greater Republic , Charles Morris

Curiosities of the American Stage , Laurence Hutton

Adventures of Huckleberry Finn, Mark Twain

The Promised Land, Mary Antin

The Life Of George Washington, John Marshall

George Washington, Calista McCabe Courtenay

Washington's Masonic Correspondence, Julius F. Sachse

Abraham Lincoln, John T. Morse, Vol. I, Vol. II,

The Memoirs of General P. H. Sheridan

Autobiography of Andrew Carnegie

Autobiography of Benjamin Franklin

John Quincy Adams, John. T. Morse

Women of Achievement, Benjamin Brawley

Woman's Work in the Civil War, Linus Pierpont Brockett and Mary C. Vaughan

The Negro in Literature and Art in the United States, Benjamin Brawley

Hermann Stieffel, Soldier Artist of the West, Edgar M. Howell

The History of the Negro Church, Carter Godwin Woodson

The History of the American Expedition Fighting the Bolsheviki, Joel R. Moore and Harry H. Mead and Lewis E. Jahns

The history of our Navy from its origin to the present day 1775-1897, vol. 1 , vol. 2, vol. 3, vol. 4 , John R. Spears

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American influence in Greece, 1917-1929, Louis P. Cassimatis

Greek Americans, struggle and success, Charles C. Moskos

Greek-American pioneer women of Illinois: the stories of Georgia Bitzis ..., Elaine Cotsirilos Thomopoulos

The Greek American Community of Essex County, New Jersey. John Antonakos

Daddy's war: Greek American stories, Irene Kacandes

Echoes from the Cobblestones: A Memoir, Nicholas A. Kefalides

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American Football, Walter Camp

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American Cookery

Pictorial Photography in America 1920

Pictorial Photography in America 1921

Pictorial Photography in America 1922

Two Centuries of Costume in America, Vol. 1 (1620-1820), Alice Morse Earle

Women's Bathing and Swimming Costume in the United States, Claudia B. Kidwell

Contemporary American Composers, Rupert Hughes

The Medallic History of the United States of America 1776-1876, J. F. Loubat

White House China of the Lincoln Administration in the Museum of History and Technology, Margaret Brown Klapthor

A Review of the Resources and Industries of the State of Washington, 1909, Ithamar Howell

Complete State of the Union Addresses, from 1790 to the Present

Art

ENGLISH

Artist from USA

William Merritt Chase: Portraits in oil, Ronald G. Pisano, D. Frederick Baker

Winslow Homer and the sea, Carl Little

African-American art, Sharon F. Patton

African American art and artists, Samella S. Lewis

Pennsylvania impressionism, Brian H. Peterson, William H. Gerdts, Sylvia Yount

American paintings and sculpture at the Sterling and Francine Clark Art Institute, Margaret C. Conrads

Paintings and Sculpture in the Collection of the National Academy of Design , David Bernard Dearinger

Paintings of Maine: a new collection selected by Carl Little, Carl Little, Arnold Skolnick

Thomas Moran: artist of the mountains, Thurman Wilkins, Caroline Lawson Hinkley

Thomas Moran, the field sketches, 1856-1923, Anne Morand

Arshile Gorky: his life and work, Hayden Herrera

East Coast/West Coast and beyond: Colin Campbell Cooper, American impressionist, William H. Gerdts, Deborah Epstein Solon, Heckscher Museum of Art, Irvine Museum

Painters of Utah's Canyons and Deserts, Donna L. Poulton, Vern G. Swanson, Donald J. (FRW) Hagerty

An American impressionist: the art and life of Alson Skinner Clark, Deborah Epstein Solon

Utah art, Utah artists: 150 year survey, Vern G. Swanson, Robert S. Olpin, Springville Museum of Art, Donna L. Poulton

Painters of the Wasatch Mountains, Robert S. Olpin, Ann W. Orton, Thomas F. Rugh

Paintings of New York, 1800-1950, Bruce Weber

San Diego Paintings by R.D. Riccoboni - Collector's Portfolio

Artists in Ohio, 1787-1900: a biographical dictionary , Mary Sayre Haverstock, Jeannette Mahoney Vance, Brian L. Meggitt, Jeffrey Weidman, Oberlin College. Library

Conrad Wise Chapman: artist & soldier of the Confederacy, Ben L. Bassham

The Art of Maynard Dixon, Donald J. Hagerty

The Life of Maynard Dixon, Donald J. Hagerty

Desert dreams: the art and life of Maynard Dixon, Donald J. Hagerty

Charles Demuth, Museum of Modern Art (New York, N.Y.), Andrew Carnduff Ritchie

Letters of Charles Demuth, American artist, 1883-1935. Bruce Kellner, Demuth Foundation

Edna Hibel: An Artist's Story of Love and Compassion, Millie Clarkson

Twentieth-century American art, Erika Lee Doss

Religious Art of Andy Warhol, Jane Daggett Dillenberger

American Art Essentials, George Michael Cohen

Radical art: printmaking and the left in 1930s New York, Helen Langa

American dreams: American art to 1950 in the Williams College Museum of Art, Nancy Mowll Mathews

Encyclopedia of Arab American artists, Fayeq Oweis

Self-taught art: the culture and aesthetics of American vernacular art, Charles Russell

Shaman: the paintings of Susan Seddon Boulet

Susan Seddon Boulet: the goddess paintings, Michael Babcock

Susan Seddon Boulet: a retrospective, Michael Babcock

Sculpture of Brookgreen Gardens, Robin R. Salmon

Outdoor Sculpture in Baltimore: A Historical Guide to Public Art in the Monumental City, Cindy Kelly, Edwin H. Remsberg

A comprehensive guide to outdoor sculpture in Texas, Carol Morris Little

American Artists in Photographic Portraits: From the Peter A. Juley & Son Collection, Joan Stahl

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Art in Detroit public places, Dennis Alan Nawrocki, David Clements

United States (North America)

Introduction ::United States

USA National Anthem

Background: This entry usually highlights major historic events and current issues and may include a statement about one or two key future trends. Background field listing

Britain's American colonies broke with the mother country in 1776 and were recognized as the new nation of the United States of America following the Treaty of Paris in 1783. During the 19th and 20th centuries, 37 new states were added to the original 13 as the nation expanded across the North American continent and acquired a number of overseas possessions. The two most traumatic experiences in the nation's history were the Civil War (1861-65), in which a northern Union of states defeated a secessionist Confederacy of 11 southern slave states, and the Great Depression of the 1930s, an economic downturn during which about a quarter of the labor force lost its jobs. Buoyed by victories in World Wars I and II and the end of the Cold War in 1991, the US remains the world's most powerful nation state. Since the end of World War II, the economy has achieved relatively steady growth, low unemployment and inflation, and rapid advances in technology.

 


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Political divisions of the United States
States

Alabama | Alaska | Arizona | Arkansas | California | Colorado | Connecticut | Delaware | Florida | Georgia | Hawaii | Idaho | Illinois | Indiana | Iowa | Kansas | Kentucky | Louisiana | Maine | Maryland | Massachusetts | Michigan | Minnesota | Mississippi | Missouri | Montana | Nebraska | Nevada | New Hampshire | New Jersey | New Mexico | New York | North Carolina | North Dakota | Ohio | Oklahoma | Oregon | Pennsylvania | Rhode Island | South Carolina | South Dakota | Tennessee | Texas | Utah | Vermont | Virginia | Washington | West Virginia | Wisconsin | Wyoming

Federal district : Washington, D.C.
Insular areas : American Samoa | Guam | Northern Mariana Islands |Puerto Rico | U.S. Virgin Islands

Outlying islands : Baker Island | Howland Island | Jarvis Island | Johnston Atoll |Kingman Reef Midway Atoll | Navassa Island | Palmyra Atoll | Wake Island

Indian reservations : List of Indian reservations

Associated states : Micronesia, Federated States of | Marshall Islands | Palau

Geography :: United States

Location: This entry identifies the country's regional location, neighboring countries, and adjacent bodies of water. Location field listing
North America, bordering both the North Atlantic Ocean and the North Pacific Ocean, between Canada and Mexico
Geographic coordinates: This entry includes rounded latitude and longitude figures for the centroid or center point of a country expressed in degrees and minutes; it is based on the locations provided in the Geographic Names Server (GNS), maintained by the National Geospatial-Intelligence Agency on behalf of the US Board on Geographic Names. Geographic coordinates field listing
38 00 N, 97 00 W
Map references: This entry includes the name of the Factbook reference map on which a country may be found. Note that boundary representations on these maps are not necessarily authoritative. The entry on Geographic coordinates may be helpful in finding some smaller countries. Map references field listing
North America
Area: This entry includes three subfields. Total area is the sum of all land and water areas delimited by international boundaries and/or coastlines. Land area is the aggregate of all surfaces delimited by international boundaries and/or coastlines, excluding inland water bodies (lakes, reservoirs, rivers). Water area is the sum of the surfaces of all inland water bodies, such as lakes, reservoirs, or rivers, as delimited by international boundaries and/or coastlines. Area field listing
total: 9,833,517 sq km
land: 9,147,593 sq km
water: 685,924 sq km

note: includes only the 50 states and District of Columbia, no overseas territories
country comparison to the world: 4
Area - comparative: This entry provides an area comparison based on total area equivalents. Most entities are compared with the entire US or one of the 50 states based on area measurements (1990 revised) provided by the US Bureau of the Census. The smaller entities are compared with Washington, DC (178 sq km, 69 sq mi) or The Mall in Washington, DC (0.59 sq km, 0.23 sq mi, 146 acres). Area - comparative field listing
about half the size of Russia; about three-tenths the size of Africa; about half the size of South America (or slightly larger than Brazil); slightly larger than China; more than twice the size of the European Union
Land boundaries: This entry contains the total length of all land boundaries and the individual lengths for each of the contiguous border countries. When available, official lengths published by national statistical agencies are used. Because surveying methods may differ, country border lengths reported by contiguous countries may differ. Land boundaries field listing
total: 12,048 km
border countries (2): Canada 8893 km (including 2477 km with Alaska), Mexico 3155 km

note: US Naval Base at Guantanamo Bay, Cuba is leased by the US and is part of Cuba; the base boundary is 28.5 km
Coastline: This entry gives the total length of the boundary between the land area (including islands) and the sea. Coastline field listing
19,924 km
Maritime claims: This entry includes the following claims, the definitions of which are excerpted from the United Nations Convention on the Law of the Sea (UNCLOS), which alone contains the full and definitive descriptions: territorial sea - the sovereignty of a coastal state extends beyond its land territory and internal waters to an adjacent belt of sea, described as the territorial sea in the UNCLOS (Part II); this sovereignty extends to the air space over the territorial sea as well as its underlying s . . . more Maritime claims field listing
territorial sea: 12 nm
exclusive economic zone: 200 nm
contiguous zone: 24 nm
continental shelf: not specified
Climate: This entry includes a brief description of typical weather regimes throughout the year; in the Word entry only, it includes four subfields that describe climate extremes:ten driest places on earth (average annual precipitation) describes the annual average precipitation measured in both millimeters and inches for selected countries with climate extremes. ten wettest places on earth (average annual precipitation) describes the annual average precipitation measured in both millimeters and i . . . more Climate field listing
mostly temperate, but tropical in Hawaii and Florida, arctic in Alaska, semiarid in the great plains west of the Mississippi River, and arid in the Great Basin of the southwest; low winter temperatures in the northwest are ameliorated occasionally in January and February by warm chinook winds from the eastern slopes of the Rocky Mountains
Terrain: This entry contains a brief description of the topography. Terrain field listing
vast central plain, mountains in west, hills and low mountains in east; rugged mountains and broad river valleys in Alaska; rugged, volcanic topography in Hawaii
Elevation: This entry includes the mean elevation and elevation extremes, lowest point and highest point. Elevation field listing
mean elevation: 760 m
lowest point: Death Valley (lowest point in North America) -86 m
highest point: Denali 6,190 m (Mount McKinley) (highest point in North America)
note: the peak of Mauna Kea (4,207 m above sea level) on the island of Hawaii rises about 10,200 m above the Pacific Ocean floor; by this measurement, it is the world's tallest mountain - higher than Mount Everest (8,850 m), which is recognized as the tallest mountain above sea level
Natural resources: This entry lists a country's mineral, petroleum, hydropower, and other resources of commercial importance, such as rare earth elements (REEs). In general, products appear only if they make a significant contribution to the economy, or are likely to do so in the future. Natural resources field listing
coal, copper, lead, molybdenum, phosphates, rare earth elements, uranium, bauxite, gold, iron, mercury, nickel, potash, silver, tungsten, zinc, petroleum, natural gas, timber, arable land, note, the US has the world's largest coal reserves with 491 billion short tons accounting for 27% of the world's total
Land use: This entry contains the percentage shares of total land area for three different types of land use: agricultural land, forest, and other; agricultural land is further divided into arable land - land cultivated for crops like wheat, maize, and rice that are replanted after each harvest, permanent crops - land cultivated for crops like citrus, coffee, and rubber that are not replanted after each harvest, and includes land under flowering shrubs, fruit trees, nut trees, and vines, and permane . . . more Land use field listing
agricultural land: 44.5% (2011 est.)
arable land: 16.8% (2011 est.) / permanent crops: 0.3% (2011 est.) / permanent pasture: 27.4% (2011 est.)
forest: 33.3% (2011 est.)
other: 22.2% (2011 est.)
Irrigated land: This entry gives the number of square kilometers of land area that is artificially supplied with water. Irrigated land field listing
264,000 sq km (2012)
Population distribution: This entry provides a summary description of the population dispersion within a country. While it may suggest population density, it does not provide density figures. Population distribution field listing
large urban clusters are spread throughout the eastern half of the US (particularly the Great Lakes area, northeast, east, and southeast) and the western tier states; mountainous areas, principally the Rocky Mountains and Appalachian chain, deserts in the southwest, the dense boreal forests in the extreme north, and the central prarie states are less densely populated; Alaska's population is concentrated along its southern coast - with particular emphasis on the city of Anchorage - and Hawaii's is centered on the island of Oahu
Natural hazards: This entry lists potential natural disasters. For countries where volcanic activity is common, a volcanism subfield highlights historically active volcanoes. Natural hazards field listing

tsunamis; volcanoes; earthquake activity around Pacific Basin; hurricanes along the Atlantic and Gulf of Mexico coasts; tornadoes in the Midwest and Southeast; mud slides in California; forest fires in the west; flooding; permafrost in northern Alaska, a major impediment to development

volcanism: volcanic activity in the Hawaiian Islands, Western Alaska, the Pacific Northwest, and in the Northern Mariana Islands; both Mauna Loa (4,170 m) in Hawaii and Mount Rainier (4,392 m) in Washington have been deemed Decade Volcanoes by the International Association of Volcanology and Chemistry of the Earth's Interior, worthy of study due to their explosive history and close proximity to human populations; Pavlof (2,519 m) is the most active volcano in Alaska's Aleutian Arc and poses a significant threat to air travel since the area constitutes a major flight path between North America and East Asia; St. Helens (2,549 m), famous for the devastating 1980 eruption, remains active today; numerous other historically active volcanoes exist, mostly concentrated in the Aleutian arc and Hawaii; they include: in Alaska: Aniakchak, Augustine, Chiginagak, Fourpeaked, Iliamna, Katmai, Kupreanof, Martin, Novarupta, Redoubt, Spurr, Wrangell, Trident, Ugashik-Peulik, Ukinrek Maars, Veniaminof; in Hawaii: Haleakala, Kilauea, Loihi; in the Northern Mariana Islands: Anatahan; and in the Pacific Northwest: Mount Baker, Mount Hood; see note 2 under "Geography - note"
Environment - current issues: This entry lists the most pressing and important environmental problems. The following terms and abbreviations are used throughout the entry: Acidification - the lowering of soil and water pH due to acid precipitation and deposition usually through precipitation; this process disrupts ecosystem nutrient flows and may kill freshwater fish and plants dependent on more neutral or alkaline conditions (see acid rain). Acid rain - characterized as containing harmful levels of sulfur dioxi . . . more Environment - current issues field listing
air pollution; large emitter of carbon dioxide from the burning of fossil fuels; water pollution from runoff of pesticides and fertilizers; limited natural freshwater resources in much of the western part of the country require careful management; deforestation; mining; desertification; species conservation; invasive species (the Hawaiian Islands are particularly vulnerable)
Environment - international agreements: This entry separates country participation in international environmental agreements into two levels - party to and signed, but not ratified. Agreements are listed in alphabetical order by the abbreviated form of the full name. Environment - international agreements field listing
party to: Air Pollution, Air Pollution-Nitrogen Oxides, Antarctic-Environmental Protocol, Antarctic-Marine Living Resources, Antarctic Seals, Antarctic Treaty, Climate Change, Desertification, Endangered Species, Environmental Modification, Marine Dumping, Marine Life Conservation, Ozone Layer Protection, Ship Pollution, Tropical Timber 83, Tropical Timber 94, Wetlands, Whaling
signed, but not ratified: Air Pollution-Persistent Organic Pollutants, Air Pollution-Volatile Organic Compounds, Biodiversity, Climate Change-Kyoto Protocol, Hazardous Wastes
Geography - note: This entry includes miscellaneous geographic information of significance not included elsewhere. Geography - note field listing

note 1: world's third-largest country by size (after Russia and Canada) and by population (after China and India); Denali (Mt. McKinley) is the highest point in North America and Death Valley the lowest point on the continent

note 2: the western coast of the United States and southern coast of Alaska lie along the Ring of Fire, a belt of active volcanoes and earthquake epicenters bordering the Pacific Ocean; up to 90% of the world's earthquakes and some 75% of the world's volcanoes occur within the Ring of Fire

note 3: the Aleutian Islands are a chain of volcanic islands that divide the Bering Sea (north) from the main Pacific Ocean (south); they extend about 1,800 km westward from the Alaskan Peninsula; the archipelago consists of 14 larger islands, 55 smaller islands, and hundreds of islets; there are 41 active volcanoes on the islands, which together form a large northern section of the Ring of Fire

note 4: Mammoth Cave, in west-central Kentucky, is the world's longest known cave system with more than 650 km (405 miles) of surveyed passageways, which is nearly twice as long as the second-longest cave system, the Sac Actun underwater cave in Mexico - the world's longest underwater cave system (see "Geography - note" under Mexico);

note 5: Kazumura Cave on the island of Hawaii is the world's longest and deepest lava tube cave; it has been surveyed at 66 km (41 mi) long and 1,102 m (3,614 ft) deep

note 6: Bracken Cave outside of San Antonio, Texas is the world's largest bat cave; it is the summer home to the largest colony of bats in the world; an estimated 20 million Mexican free-tailed bats roost in the cave from March to October making it the world's largest known concentration of mammals


People and Society :: United States


Population: This entry gives an estimate from the US Bureau of the Census based on statistics from population censuses, vital statistics registration systems, or sample surveys pertaining to the recent past and on assumptions about future trends. The total population presents one overall measure of the potential impact of the country on the world and within its region. Note: Starting with the 1993 Factbook, demographic estimates for some countries (mostly African) have explicitly taken into account t . . . more Population field listing
332,639,102 (July 2020 est.)
country comparison to the world: 3
Nationality: This entry provides the identifying terms for citizens - noun and adjective. Nationality field listing
noun: American(s)
adjective: American
Ethnic groups: This entry provides an ordered listing of ethnic groups starting with the largest and normally includes the percent of total population. Ethnic groups field listing
white 72.4%, black 12.6%, Asian 4.8%, Amerindian and Alaska native 0.9%, native Hawaiian and other Pacific islander 0.2%, other 6.2%, two or more races 2.9% (2010 est.)

note: a separate listing for Hispanic is not included because the US Census Bureau considers Hispanic to mean persons of Spanish/Hispanic/Latino origin including those of Mexican, Cuban, Puerto Rican, Dominican Republic, Spanish, and Central or South American origin living in the US who may be of any race or ethnic group (white, black, Asian, etc.); an estimated 16.3% of the total US population is Hispanic as of 2010
Languages: This entry provides a listing of languages spoken in each country and specifies any that are official national or regional languages. When data is available, the languages spoken in each country are broken down according to the percent of the total population speaking each language as a first language. For those countries without available data, languages are listed in rank order based on prevalence, starting with the most-spoken language. Languages field listing
English only 78.2%, Spanish 13.4%, Chinese 1.1%, other 7.3% (2017 est.)

note: data represent the language spoken at home; the US has no official national language, but English has acquired official status in 32 of the 50 states; Hawaiian is an official language in the state of Hawaii, and 20 indigenous languages are official in Alaska
Religions: This entry is an ordered listing of religions by adherents starting with the largest group and sometimes includes the percent of total population. The core characteristics and beliefs of the world's major religions are described below. Baha'i - Founded by Mirza Husayn-Ali (known as Baha'u'llah) in Iran in 1852, Baha'i faith emphasizes monotheism and believes in one eternal transcendent God. Its guiding focus is to encourage the unity of all peoples on the earth so that justice and peace m . . . more Religions field listing
Protestant 46.5%, Roman Catholic 20.8%, Jewish 1.9%, Mormon 1.6%, other Christian 0.9%, Muslim 0.9%, Jehovah's Witness 0.8%, Buddhist 0.7%, Hindu 0.7%, other 1.8%, unaffiliated 22.8%, don't know/refused 0.6% (2014 est.)
Age structure: This entry provides the distribution of the population according to age. Information is included by sex and age group as follows: 0-14 years (children), 15-24 years (early working age), 25-54 years (prime working age), 55-64 years (mature working age), 65 years and over (elderly). The age structure of a population affects a nation's key socioeconomic issues. Countries with young populations (high percentage under age 15) need to invest more in schools, while countries with older population . . . more Age structure field listing
0-14 years: 18.46% (male 31,374,555/female 30,034,371)
15-24 years: 12.91% (male 21,931,368/female 21,006,463)
25-54 years: 38.92% (male 64,893,670/female 64,564,565)
55-64 years: 12.86% (male 20,690,736/female 22,091,808)
65 years and over: 16.85% (male 25,014,147/female 31,037,419) (2020 est.)
population pyramid : population pyramid
Dependency ratios: Dependency ratios are a measure of the age structure of a population. They relate the number of individuals that are likely to be economically "dependent" on the support of others. Dependency ratios contrast the ratio of youths (ages 0-14) and the elderly (ages 65+) to the number of those in the working-age group (ages 15-64). Changes in the dependency ratio provide an indication of potential social support requirements resulting from changes in population age structures. As fertility leve . . . more Dependency ratios field listing
total dependency ratio: 53.9
youth dependency ratio: 28.3
elderly dependency ratio: 25.6
potential support ratio: 3.9 (2020 est.)
Median age: This entry is the age that divides a population into two numerically equal groups; that is, half the people are younger than this age and half are older. It is a single index that summarizes the age distribution of a population. Currently, the median age ranges from a low of about 15 in Niger and Uganda to 40 or more in several European countries and Japan. See the entry for "Age structure" for the importance of a young versus an older age structure and, by implication, a low versus a high . . . more Median age field listing
total: 38.5 years
male: 37.2 years
female: 39.8 years (2020 est.)
country comparison to the world: 61
Population growth rate: The average annual percent change in the population, resulting from a surplus (or deficit) of births over deaths and the balance of migrants entering and leaving a country. The rate may be positive or negative. The growth rate is a factor in determining how great a burden would be imposed on a country by the changing needs of its people for infrastructure (e.g., schools, hospitals, housing, roads), resources (e.g., food, water, electricity), and jobs. Rapid population growth can be seen as . . . more Population growth rate field listing
0.72% (2020 est.)
country comparison to the world: 137
Birth rate: This entry gives the average annual number of births during a year per 1,000 persons in the population at midyear; also known as crude birth rate. The birth rate is usually the dominant factor in determining the rate of population growth. It depends on both the level of fertility and the age structure of the population. Birth rate field listing
12.4 births/1,000 population (2020 est.)
country comparison to the world: 157
Death rate: This entry gives the average annual number of deaths during a year per 1,000 population at midyear; also known as crude death rate. The death rate, while only a rough indicator of the mortality situation in a country, accurately indicates the current mortality impact on population growth. This indicator is significantly affected by age distribution, and most countries will eventually show a rise in the overall death rate, in spite of continued decline in mortality at all ages, as declining . . . more Death rate field listing
8.3 deaths/1,000 population (2020 est.)
country comparison to the world: 83
Net migration rate: This entry includes the figure for the difference between the number of persons entering and leaving a country during the year per 1,000 persons (based on midyear population). An excess of persons entering the country is referred to as net immigration (e.g., 3.56 migrants/1,000 population); an excess of persons leaving the country as net emigration (e.g., -9.26 migrants/1,000 population). The net migration rate indicates the contribution of migration to the overall level of population chan . . . more Net migration rate field listing
3 migrant(s)/1,000 population (2020 est.)
country comparison to the world: 37
Population distribution: This entry provides a summary description of the population dispersion within a country. While it may suggest population density, it does not provide density figures. Population distribution field listing
large urban clusters are spread throughout the eastern half of the US (particularly the Great Lakes area, northeast, east, and southeast) and the western tier states; mountainous areas, principally the Rocky Mountains and Appalachian chain, deserts in the southwest, the dense boreal forests in the extreme north, and the central prarie states are less densely populated; Alaska's population is concentrated along its southern coast - with particular emphasis on the city of Anchorage - and Hawaii's is centered on the island of Oahu
Urbanization: This entry provides two measures of the degree of urbanization of a population. The first, urban population, describes the percentage of the total population living in urban areas, as defined by the country. The second, rate of urbanization, describes the projected average rate of change of the size of the urban population over the given period of time. It is possible for a country with a 100% urban population to still display a change in the rate of urbanization (up or down). For example . . . more Urbanization field listing
urban population: 82.7% of total population (2020)
rate of urbanization: 0.95% annual rate of change (2015-20 est.)
Major urban areas - population: This entry provides the population of the capital and up to six major cities defined as urban agglomerations with populations of at least 750,000 people. An urban agglomeration is defined as comprising the city or town proper and also the suburban fringe or thickly settled territory lying outside of, but adjacent to, the boundaries of the city. For smaller countries, lacking urban centers of 750,000 or more, only the population of the capital is presented. Major urban areas - population field listing
18.804 million New York-Newark, 12.447 million Los Angeles-Long Beach-Santa Ana, 8.865 million Chicago, 6.371 million Houston, 6.301 million Dallas-Fort Worth, 5.322 million WASHINGTON, D.C. (capital) (2020)
Sex ratio: This entry includes the number of males for each female in five age groups - at birth, under 15 years, 15-64 years, 65 years and over, and for the total population. Sex ratio at birth has recently emerged as an indicator of certain kinds of sex discrimination in some countries. For instance, high sex ratios at birth in some Asian countries are now attributed to sex-selective abortion and infanticide due to a strong preference for sons. This will affect future marriage patterns and fertilit . . . more Sex ratio field listing
at birth: 1.05 male(s)/female NA
0-14 years: 1.04 male(s)/female
15-24 years: 1.04 male(s)/female
25-54 years: 1.01 male(s)/female
55-64 years: 0.94 male(s)/female
65 years and over: 0.81 male(s)/female
total population: 0.97 male(s)/female (2020 est.)
Mother's mean age at first birth: This entry provides the mean (average) age of mothers at the birth of their first child. It is a useful indicator for gauging the success of family planning programs aiming to reduce maternal mortality, increase contraceptive use – particularly among married and unmarried adolescents – delay age at first marriage, and improve the health of newborns. Mother's mean age at first birth field listing
26.4 years (2015 est.)
Maternal mortality rate: The maternal mortality rate (MMR) is the annual number of female deaths per 100,000 live births from any cause related to or aggravated by pregnancy or its management (excluding accidental or incidental causes). The MMR includes deaths during pregnancy, childbirth, or within 42 days of termination of pregnancy, irrespective of the duration and site of the pregnancy, for a specified year. Maternal mortality rate field listing
19 deaths/100,000 live births (2017 est.)
country comparison to the world: 129
Infant mortality rate: This entry gives the number of deaths of infants under one year old in a given year per 1,000 live births in the same year. This rate is often used as an indicator of the level of health in a country. Infant mortality rate field listing
total: 5.3 deaths/1,000 live births
male: 5.7 deaths/1,000 live births
female: 4.9 deaths/1,000 live births (2020 est.)
country comparison to the world: 174
Life expectancy at birth: This entry contains the average number of years to be lived by a group of people born in the same year, if mortality at each age remains constant in the future. Life expectancy at birth is also a measure of overall quality of life in a country and summarizes the mortality at all ages. It can also be thought of as indicating the potential return on investment in human capital and is necessary for the calculation of various actuarial measures. Life expectancy at birth field listing
total population: 80.3 years
male: 78 years
female: 82.5 years (2020 est.)
country comparison to the world: 45
Total fertility rate: This entry gives a figure for the average number of children that would be born per woman if all women lived to the end of their childbearing years and bore children according to a given fertility rate at each age. The total fertility rate (TFR) is a more direct measure of the level of fertility than the crude birth rate, since it refers to births per woman. This indicator shows the potential for population change in the country. A rate of two children per woman is considered the replaceme . . . more Total fertility rate field listing
1.84 children born/woman (2020 est.)
country comparison to the world: 142
Contraceptive prevalence rate: This field gives the percent of women of reproductive age (15-49) who are married or in union and are using, or whose sexual partner is using, a method of contraception according to the date of the most recent available data. The contraceptive prevalence rate is an indicator of health services, development, and women’s empowerment. It is also useful in understanding, past, present, and future fertility trends, especially in developing countries. Contraceptive prevalence rate field listing
75.9% (2015/17)
Drinking water source: This entry provides information about access to improved or unimproved drinking water sources available to segments of the population of a country. Improved drinking water - use of any of the following sources: piped water into dwelling, yard, or plot; public tap or standpipe; tubewell or borehole; protected dug well; protected spring; or rainwater collection. Unimproved drinking water - use of any of the following sources: unprotected dug well; unprotected spring; cart with small tank or . . . more Drinking water source field listing
improved: urban: 99.4% of population
rural: 98.2% of population
total: 99.2% of population
unimproved: urban: 0.6% of population
rural: 1.8% of population
total: 0.8% of population (2015 est.)
Current Health Expenditure: Current Health Expenditure (CHE) describes the share of spending on health in each country relative to the size of its economy. It includes expenditures corresponding to the final consumption of health care goods and services and excludes investment, exports, and intermediate consumption. CHE shows the importance of the health sector in the economy and indicates the priority given to health in monetary terms. Note: Current Health Expenditure replaces the former Health Expenditures field . . . more Current Health Expenditure field listing
17.1% (2016)
Physicians density: This entry gives the number of medical doctors (physicians), including generalist and specialist medical practitioners, per 1,000 of the population. Medical doctors are defined as doctors that study, diagnose, treat, and prevent illness, disease, injury, and other physical and mental impairments in humans through the application of modern medicine. They also plan, supervise, and evaluate care and treatment plans by other health care providers. The World Health Organization estimates that f . . . more Physicians density field listing
2.59 physicians/1,000 population (2016)
Hospital bed density: This entry provides the number of hospital beds per 1,000 people; it serves as a general measure of inpatient service availability. Hospital beds include inpatient beds available in public, private, general, and specialized hospitals and rehabilitation centers. In most cases, beds for both acute and chronic care are included. Because the level of inpatient services required for individual countries depends on several factors - such as demographic issues and the burden of disease - there is . . . more Hospital bed density field listing
2.9 beds/1,000 population (2013)
Sanitation facility access: This entry provides information about access to improved or unimproved sanitation facilities available to segments of the population of a country. Improved sanitation - use of any of the following facilities: flush or pour-flush to a piped sewer system, septic tank or pit latrine; ventilated improved pit (VIP) latrine; pit latrine with slab; or a composting toilet. Unimproved sanitation - use of any of the following facilities: flush or pour-flush not piped to a sewer system, septic tank . . . more Sanitation facility access field listing
improved: urban: 100% of population (2015 est.)
rural: 100% of population (2015 est.)
total: 100% of population (2015 est.)
unimproved: urban: 0% of population (2015 est.)
rural: 0% of population (2015 est.)
total: 0% of population (2015 est.)
HIV/AIDS - adult prevalence rate: This entry gives an estimate of the percentage of adults (aged 15-49) living with HIV/AIDS. The adult prevalence rate is calculated by dividing the estimated number of adults living with HIV/AIDS at yearend by the total adult population at yearend. HIV/AIDS - adult prevalence rate field listing
NA
HIV/AIDS - people living with HIV/AIDS: This entry gives an estimate of all people (adults and children) alive at yearend with HIV infection, whether or not they have developed symptoms of AIDS. HIV/AIDS - people living with HIV/AIDS field listing
NA
HIV/AIDS - deaths: This entry gives an estimate of the number of adults and children who died of AIDS during a given calendar year. HIV/AIDS - deaths field listing
NA
Obesity - adult prevalence rate: This entry gives the percent of a country's population considered to be obese. Obesity is defined as an adult having a Body Mass Index (BMI) greater to or equal to 30.0. BMI is calculated by taking a person's weight in kg and dividing it by the person's squared height in meters. Obesity - adult prevalence rate field listing
36.2% (2016)
country comparison to the world: 12
Children under the age of 5 years underweight: This entry gives the percent of children under five considered to be underweight. Underweight means weight-for-age is approximately 2 kg below for standard at age one, 3 kg below standard for ages two and three, and 4 kg below standard for ages four and five. This statistic is an indicator of the nutritional status of a community. Children who suffer from growth retardation as a result of poor diets and/or recurrent infections tend to have a greater risk of suffering illness and death. Children under the age of 5 years underweight field listing
0.5% (2012)
country comparison to the world: 126
Education expenditures: This entry provides the public expenditure on education as a percent of GDP. Education expenditures field listing
5% of GDP (2014)
country comparison to the world: 64
School life expectancy (primary to tertiary education): School life expectancy (SLE) is the total number of years of schooling (primary to tertiary) that a child can expect to receive, assuming that the probability of his or her being enrolled in school at any particular future age is equal to the current enrollment ratio at that age. Caution must be maintained when utilizing this indicator in international comparisons. For example, a year or grade completed in one country is not necessarily the same in terms of educational content or qualit . . . more School life expectancy (primary to tertiary education) field listing
total: 16 years
male: 16 years
female: 17 years (2016)
Unemployment, youth ages 15-24: This entry gives the percent of the total labor force ages 15-24 unemployed during a specified year. Unemployment, youth ages 15-24 field listing
total: 8.6%
male: 9.5%
female: 7.7% (2018 est.)
country comparison to the world: 140

Government :: United States

Country name: This entry includes all forms of the country's name approved by the US Board on Geographic Names (Italy is used as an example): conventional long form (Italian Republic), conventional short form (Italy), local long form (Repubblica Italiana), local short form (Italia), former (Kingdom of Italy), as well as the abbreviation. Also see the Terminology note. Country name field listing
conventional long form: United States of America
conventional short form: United States
abbreviation: US or USA
etymology: the name America is derived from that of Amerigo VESPUCCI (1454-1512) - Italian explorer, navigator, and cartographer - using the Latin form of his name, Americus, feminized to America
Government type: This entry gives the basic form of government. Definitions of the major governmental terms are as follows. (Note that for some countries more than one definition applies.): Absolute monarchy - a form of government where the monarch rules unhindered, i.e., without any laws, constitution, or legally organized opposition. Anarchy - a condition of lawlessness or political disorder brought about by the absence of governmental authority. Authoritarian - a form of government in whic . . . more Government type field listing
constitutional federal republic
Capital: This entry gives the name of the seat of government, its geographic coordinates, the time difference relative to Coordinated Universal Time (UTC) and the time observed in Washington, DC, and, if applicable, information on daylight saving time (DST). Where appropriate, a special note has been added to highlight those countries that have multiple time zones. Capital field listing
name: Washington, DC
geographic coordinates: 38 53 N, 77 02 W
time difference: UTC-5 (during Standard Time)
daylight saving time: +1hr, begins second Sunday in March; ends first Sunday in November

note: the 50 United States cover six time zones

etymology: named after George Washington (1732-1799), the first president of the United States
Administrative divisions: This entry generally gives the numbers, designatory terms, and first-order administrative divisions as approved by the US Board on Geographic Names (BGN). Changes that have been reported but not yet acted on by the BGN are noted. Geographic names conform to spellings approved by the BGN with the exception of the omission of diacritical marks and special characters. Administrative divisions field listing
50 states and 1 district*; Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia*, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
Dependent areas: This entry contains an alphabetical listing of all nonindependent entities associated in some way with a particular independent state. Dependent areas field listing
American Samoa, Baker Island, Guam, Howland Island, Jarvis Island, Johnston Atoll, Kingman Reef, Midway Islands, Navassa Island, Northern Mariana Islands, Palmyra Atoll, Puerto Rico, Virgin Islands, Wake Island

note: from 18 July 1947 until 1 October 1994, the US administered the Trust Territory of the Pacific Islands; it entered into a political relationship with all four political entities: the Northern Mariana Islands is a commonwealth in political union with the US (effective 3 November 1986); the Republic of the Marshall Islands signed a Compact of Free Association with the US (effective 21 October 1986); the Federated States of Micronesia signed a Compact of Free Association with the US (effective 3 November 1986); Palau concluded a Compact of Free Association with the US (effective 1 October 1994)
Independence: For most countries, this entry gives the date that sovereignty was achieved and from which nation, empire, or trusteeship. For the other countries, the date given may not represent "independence" in the strict sense, but rather some significant nationhood event such as the traditional founding date or the date of unification, federation, confederation, establishment, fundamental change in the form of government, or state succession. For a number of countries, the establishment of statehood . . . more Independence field listing
4 July 1776 (declared independence from Great Britain); 3 September 1783 (recognized by Great Britain)
National holiday: This entry gives the primary national day of celebration - usually independence day. National holiday field listing
Independence Day, 4 July (1776)
Constitution: This entry provides information on a country’s constitution and includes two subfields. The history subfield includes the dates of previous constitutions and the main steps and dates in formulating and implementing the latest constitution. For countries with 1-3 previous constitutions, the years are listed; for those with 4-9 previous, the entry is listed as “several previous,” and for those with 10 or more, the entry is “many previous.” The amendments subfield summarizes the process of am . . . more Constitution field listing
history: previous 1781 (Articles of Confederation and Perpetual Union); latest drafted July - September 1787, submitted to the Congress of the Confederation 20 September 1787, submitted for states' ratification 28 September 1787, ratification completed by nine of the 13 states 21 June 1788, effective 4 March 1789
amendments: proposed as a "joint resolution" by Congress, which requires a two-thirds majority vote in both the House of Representatives and the Senate or by a constitutional convention called for by at least two thirds of the state legislatures; passage requires ratification by three fourths of the state legislatures or passage in state-held constitutional conventions as specified by Congress; the US president has no role in the constitutional amendment process; amended many times, last in 1992 (2018)
Legal system: This entry provides the description of a country's legal system. A statement on judicial review of legislative acts is also included for a number of countries. The legal systems of nearly all countries are generally modeled upon elements of five main types: civil law (including French law, the Napoleonic Code, Roman law, Roman-Dutch law, and Spanish law); common law (including United State law); customary law; mixed or pluralistic law; and religious law (including Islamic law). An addition . . . more Legal system field listing
common law system based on English common law at the federal level; state legal systems based on common law, except Louisiana, where state law is based on Napoleonic civil code; judicial review of legislative acts
International law organization participation: This entry includes information on a country's acceptance of jurisdiction of the International Court of Justice (ICJ) and of the International Criminal Court (ICCt); 59 countries have accepted ICJ jurisdiction with reservations and 11 have accepted ICJ jurisdiction without reservations; 122 countries have accepted ICCt jurisdiction. Appendix B: International Organizations and Groups explains the differing mandates of the ICJ and ICCt. International law organization participation field listing
withdrew acceptance of compulsory ICJ jurisdiction in 2005; withdrew acceptance of ICCt jurisdiction in 2002
Citizenship: This entry provides information related to the acquisition and exercise of citizenship; it includes four subfields: citizenship by birth describes the acquisition of citizenship based on place of birth, known as Jus soli, regardless of the citizenship of parents. citizenship by descent only describes the acquisition of citizenship based on the principle of Jus sanguinis, or by descent, where at least one parent is a citizen of the state and being born within the territorial limits of the s . . . more Citizenship field listing
citizenship by birth: yes
citizenship by descent only: yes
dual citizenship recognized: no, but the US government acknowledges such situtations exist; US citizens are not encouraged to seek dual citizenship since it limits protection by the US
residency requirement for naturalization: 5 years
Suffrage: This entry gives the age at enfranchisement and whether the right to vote is universal or restricted. Suffrage field listing
18 years of age; universal
Executive branch: This entry includes five subentries: chief of state; head of government; cabinet; elections/appointments; election results. Chief of state includes the name, title, and beginning date in office of the titular leader of the country who represents the state at official and ceremonial functions but may not be involved with the day-to-day activities of the government. Head of government includes the name, title of the top executive designated to manage the executive branch of the government, a . . . more Executive branch field listing

chief of state: President Joseph R. BIDEN Jr. (since 20 January 2021); Vice President Kamala D. HARRIS (since 20 January 2021); note - the president is both chief of state and head of government

head of government: President Joseph R. BIDEN Jr. (since 20 January 2021); Vice President Kamala D. HARRIS (since 20 January 2021)

cabinet: Cabinet appointed by the president, approved by the Senate

elections/appointments: president and vice president indirectly elected on the same ballot by the Electoral College of 'electors' chosen from each state; president and vice president serve a 4-year term (eligible for a second term); election last held on 3 November 2020 (next to be held on 5 November 2024)

election results: Joseph R. BIDEN Jr. elected president; electoral vote - Joseph R. BIDEN Jr. (Democratic Party) 306, Donald J. TRUMP (Republican Party) 232; percent of direct popular vote - Joseph R. BIDEN Jr. 51.3%, Donald J. TRUMP 46.9%, other 1.8%

Legislative branch: This entry has three subfields. The description subfield provides the legislative structure (unicameral – single house; bicameral – an upper and a lower house); formal name(s); number of member seats; types of constituencies or voting districts (single seat, multi-seat, nationwide); electoral voting system(s); and member term of office. The elections subfield includes the dates of the last election and next election. The election results subfield lists percent of vote by party/coalition an . . . more Legislative branch field listing
description: bicameral Congress consists of:
Senate (100 seats; 2 members directly elected in each of the 50 state constituencies by simple majority vote except in Georgia and Louisiana which require an absolute majority vote with a second round if needed; members serve 6-year terms with one-third of membership renewed every 2 years)
House of Representatives (435 seats; members directly elected in single-seat constituencies by simple majority vote except in Georgia which requires an absolute majority vote with a second round if needed; members serve 2-year terms)
elections:
Senate - last held on 6 November 2018 (next to be held on 3 November 2020)
House of Representatives - last held on 6 November 2018 (next to be held on 3 November 2020)
election results:
Senate - percent of vote by party - NA; seats by party - Republican Party 53, Democratic Party 45, independent 2; composition - men 75, women 25, percent of women 25%
House of Representatives - percent of vote by party - NA; seats by party - Democratic Party 234, Republican Party 200, 1 seat still undecided; composition - men 328, women 106, percent of women 24.4%; note - total US Congress percent of women 24.5%
note: in addition to the regular members of the House of Representatives there are 6 non-voting delegates elected from the District of Columbia and the US territories of American Samoa, Guam, Puerto Rico, the Northern Mariana Islands, and the Virgin Islands; these are single seat constituencies directly elected by simple majority vote to serve a 2-year term (except for the resident commissioner of Puerto Rico who serves a 4-year term); the delegate can vote when serving on a committee and when the House meets as the Committee of the Whole House, but not when legislation is submitted for a “full floor” House vote; election of delegates last held on 6 November 2018 (next to be held on 3 November 2020)
Judicial branch: This entry includes three subfields. The highest court(s) subfield includes the name(s) of a country's highest level court(s), the number and titles of the judges, and the types of cases heard by the court, which commonly are based on civil, criminal, administrative, and constitutional law. A number of countries have separate constitutional courts. The judge selection and term of office subfield includes the organizations and associated officials responsible for nominating and appointing j . . . more Judicial branch field listing
highest courts: US Supreme Court (consists of 9 justices - the chief justice and 8 associate justices)
judge selection and term of office: president nominates and, with the advice and consent of the Senate, appoints Supreme Court justices; justices serve for life
subordinate courts: Courts of Appeal (includes the US Court of Appeal for the Federal District and 12 regional appeals courts); 94 federal district courts in 50 states and territories

note: the US court system consists of the federal court system and the state court systems; although each court system is responsible for hearing certain types of cases, neither is completely independent of the other, and the systems often interact
Political parties and leaders: This entry includes a listing of significant political parties, coalitions, and electoral lists as of each country's last legislative election, unless otherwise noted. Political parties and leaders field listing
Democratic Party [Tom PEREZ]
Green Party [collective leadership]
Libertarian Party [Nicholas SARWARK]
Republican Party [Ronna Romney MCDANIEL]
International organization participation: This entry lists in alphabetical order by abbreviation those international organizations in which the subject country is a member or participates in some other way. International organization participation field listing
ADB (nonregional member), AfDB (nonregional member), ANZUS, APEC, Arctic Council, ARF, ASEAN (dialogue partner), Australia Group, BIS, BSEC (observer), CBSS (observer), CD, CE (observer), CERN (observer), CICA (observer), CP, EAPC, EAS, EBRD, EITI (implementing country), FAO, FATF, G-5, G-7, G-8, G-10, G-20, IADB, IAEA, IBRD, ICAO, ICC (national committees), ICRM, IDA, IEA, IFAD, IFC, IFRCS, IGAD (partners), IHO, ILO, IMF, IMO, IMSO, Interpol, IOC, IOM, ISO, ITSO, ITU, ITUC (NGOs), MIGA, MINUSMA, MINUSTAH, MONUSCO, NAFTA, NATO, NEA, NSG, OAS, OECD, OPCW, OSCE, Pacific Alliance (observer), Paris Club, PCA, PIF (partner), SAARC (observer), SELEC (observer), SICA (observer), SPC, UN, UNCTAD, UNESCO, UNHCR, UNITAR, UNMIL, UNMISS, UNRWA, UN Security Council (permanent), UNTSO, UPU, WCO, WHO, WIPO, WMO, WTO, ZC
Flag description: This entry provides a written flag description produced from actual flags or the best information available at the time the entry was written. The flags of independent states are used by their dependencies unless there is an officially recognized local flag. Some disputed and other areas do not have flags. Flag description field listing
13 equal horizontal stripes of red (top and bottom) alternating with white; there is a blue rectangle in the upper hoist-side corner bearing 50 small, white, five-pointed stars arranged in nine offset horizontal rows of six stars (top and bottom) alternating with rows of five stars; the 50 stars represent the 50 states, the 13 stripes represent the 13 original colonies; blue stands for loyalty, devotion, truth, justice, and friendship, red symbolizes courage, zeal, and fervency, while white denotes purity and rectitude of conduct; commonly referred to by its nickname of Old Glory

note: the design and colors have been the basis for a number of other flags, including Chile, Liberia, Malaysia, and Puerto Rico
National symbol(s): A national symbol is a faunal, floral, or other abstract representation - or some distinctive object - that over time has come to be closely identified with a country or entity. Not all countries have national symbols; a few countries have more than one. National symbol(s) field listing
bald eagle; national colors: red, white, blue
National anthem: A generally patriotic musical composition - usually in the form of a song or hymn of praise - that evokes and eulogizes the history, traditions, or struggles of a nation or its people. National anthems can be officially recognized as a national song by a country's constitution or by an enacted law, or simply by tradition. Although most anthems contain lyrics, some do not. National anthem field listing
name: The Star-Spangled Banner
lyrics/music: Francis Scott KEY/John Stafford SMITH

note: adopted 1931; during the War of 1812, after witnessing the successful American defense of Fort McHenry in Baltimore following British naval bombardment, Francis Scott KEY wrote the lyrics to what would become the national anthem; the lyrics were set to the tune of "The Anacreontic Song"; only the first verse is sung

Economy :: United States

Economy - overview: This entry briefly describes the type of economy, including the degree of market orientation, the level of economic development, the most important natural resources, and the unique areas of specialization. It also characterizes major economic events and policy changes in the most recent 12 months and may include a statement about one or two key future macroeconomic trends. Economy - overview field listing

The US has the most technologically powerful economy in the world, with a per capita GDP of $59,500. US firms are at or near the forefront in technological advances, especially in computers, pharmaceuticals, and medical, aerospace, and military equipment; however, their advantage has narrowed since the end of World War II. Based on a comparison of GDP measured at purchasing power parity conversion rates, the US economy in 2014, having stood as the largest in the world for more than a century, slipped into second place behind China, which has more than tripled the US growth rate for each year of the past four decades.

In the US, private individuals and business firms make most of the decisions, and the federal and state governments buy needed goods and services predominantly in the private marketplace. US business firms enjoy greater flexibility than their counterparts in Western Europe and Japan in decisions to expand capital plant, to lay off surplus workers, and to develop new products. At the same time, businesses face higher barriers to enter their rivals' home markets than foreign firms face entering US markets.

Long-term problems for the US include stagnation of wages for lower-income families, inadequate investment in deteriorating infrastructure, rapidly rising medical and pension costs of an aging population, energy shortages, and sizable current account and budget deficits.

The onrush of technology has been a driving factor in the gradual development of a "two-tier" labor market in which those at the bottom lack the education and the professional/technical skills of those at the top and, more and more, fail to get comparable pay raises, health insurance coverage, and other benefits. But the globalization of trade, and especially the rise of low-wage producers such as China, has put additional downward pressure on wages and upward pressure on the return to capital. Since 1975, practically all the gains in household income have gone to the top 20% of households. Since 1996, dividends and capital gains have grown faster than wages or any other category of after-tax income.

Imported oil accounts for more than 50% of US consumption and oil has a major impact on the overall health of the economy. Crude oil prices doubled between 2001 and 2006, the year home prices peaked; higher gasoline prices ate into consumers' budgets and many individuals fell behind in their mortgage payments. Oil prices climbed another 50% between 2006 and 2008, and bank foreclosures more than doubled in the same period. Besides dampening the housing market, soaring oil prices caused a drop in the value of the dollar and a deterioration in the US merchandise trade deficit, which peaked at $840 billion in 2008. Because the US economy is energy-intensive, falling oil prices since 2013 have alleviated many of the problems the earlier increases had created.

The sub-prime mortgage crisis, falling home prices, investment bank failures, tight credit, and the global economic downturn pushed the US into a recession by mid-2008. GDP contracted until the third quarter of 2009, the deepest and longest downturn since the Great Depression. To help stabilize financial markets, the US Congress established a $700 billion Troubled Asset Relief Program in October 2008. The government used some of these funds to purchase equity in US banks and industrial corporations, much of which had been returned to the government by early 2011. In January 2009, Congress passed and former President Barack OBAMA signed a bill providing an additional $787 billion fiscal stimulus to be used over 10 years - two-thirds on additional spending and one-third on tax cuts - to create jobs and to help the economy recover. In 2010 and 2011, the federal budget deficit reached nearly 9% of GDP. In 2012, the Federal Government reduced the growth of spending and the deficit shrank to 7.6% of GDP. US revenues from taxes and other sources are lower, as a percentage of GDP, than those of most other countries.

Wars in Iraq and Afghanistan required major shifts in national resources from civilian to military purposes and contributed to the growth of the budget deficit and public debt. Through FY 2018, the direct costs of the wars will have totaled more than $1.9 trillion, according to US Government figures.

In March 2010, former President OBAMA signed into law the Patient Protection and Affordable Care Act (ACA), a health insurance reform that was designed to extend coverage to an additional 32 million Americans by 2016, through private health insurance for the general population and Medicaid for the impoverished. Total spending on healthcare - public plus private - rose from 9.0% of GDP in 1980 to 17.9% in 2010.

In July 2010, the former president signed the DODD-FRANK Wall Street Reform and Consumer Protection Act, a law designed to promote financial stability by protecting consumers from financial abuses, ending taxpayer bailouts of financial firms, dealing with troubled banks that are "too big to fail," and improving accountability and transparency in the financial system - in particular, by requiring certain financial derivatives to be traded in markets that are subject to government regulation and oversight.

The Federal Reserve Board (Fed) announced plans in December 2012 to purchase $85 billion per month of mortgage-backed and Treasury securities in an effort to hold down long-term interest rates, and to keep short-term rates near zero until unemployment dropped below 6.5% or inflation rose above 2.5%. The Fed ended its purchases during the summer of 2014, after the unemployment rate dropped to 6.2%, inflation stood at 1.7%, and public debt fell below 74% of GDP. In December 2015, the Fed raised its target for the benchmark federal funds rate by 0.25%, the first increase since the recession began. With continued low growth, the Fed opted to raise rates several times since then, and in December 2017, the target rate stood at 1.5%.

In December 2017, Congress passed and President Donald TRUMP signed the Tax Cuts and Jobs Act, which, among its various provisions, reduces the corporate tax rate from 35% to 21%; lowers the individual tax rate for those with the highest incomes from 39.6% to 37%, and by lesser percentages for those at lower income levels; changes many deductions and credits used to calculate taxable income; and eliminates in 2019 the penalty imposed on taxpayers who do not obtain the minimum amount of health insurance required under the ACA. The new taxes took effect on 1 January 2018; the tax cut for corporations are permanent, but those for individuals are scheduled to expire after 2025. The Joint Committee on Taxation (JCT) under the Congressional Budget Office estimates that the new law will reduce tax revenues and increase the federal deficit by about $1.45 trillion over the 2018-2027 period. This amount would decline if economic growth were to exceed the JCT’s estimate.
GDP (purchasing power parity): This entry gives the gross domestic product (GDP) or value of all final goods and services produced within a nation in a given year. A nation's GDP at purchasing power parity (PPP) exchange rates is the sum value of all goods and services produced in the country valued at prices prevailing in the United States in the year noted. This is the measure most economists prefer when looking at per-capita welfare and when comparing living conditions or use of resources across countries. The measur . . . more GDP (purchasing power parity) field listing
$19.49 trillion (2017 est.)
$19.06 trillion (2016 est.)
$18.77 trillion (2015 est.)

note: data are in 2017 dollars
country comparison to the world: 2
GDP (official exchange rate): This entry gives the gross domestic product (GDP) or value of all final goods and services produced within a nation in a given year. A nation's GDP at official exchange rates (OER) is the home-currency-denominated annual GDP figure divided by the bilateral average US exchange rate with that country in that year. The measure is simple to compute and gives a precise measure of the value of output. Many economists prefer this measure when gauging the economic power an economy maintains vis- . . . more GDP (official exchange rate) field listing
$19.49 trillion (2017 est.)
GDP - real growth rate: This entry gives GDP growth on an annual basis adjusted for inflation and expressed as a percent. The growth rates are year-over-year, and not compounded. GDP - real growth rate field listing
2.2% (2017 est.)
1.6% (2016 est.)
2.9% (2015 est.)
country comparison to the world: 145
GDP - per capita (PPP): This entry shows GDP on a purchasing power parity basis divided by population as of 1 July for the same year. GDP - per capita (PPP) field listing
$59,800 (2017 est.)
$58,900 (2016 est.)
$58,400 (2015 est.)

note: data are in 2017 dollars
country comparison to the world: 19
Gross national saving: Gross national saving is derived by deducting final consumption expenditure (household plus government) from Gross national disposable income, and consists of personal saving, plus business saving (the sum of the capital consumption allowance and retained business profits), plus government saving (the excess of tax revenues over expenditures), but excludes foreign saving (the excess of imports of goods and services over exports). The figures are presented as a percent of GDP. A negative . . . more Gross national saving field listing
18.9% of GDP (2017 est.)
18.6% of GDP (2016 est.)
20.1% of GDP (2015 est.)
country comparison to the world: 106
GDP - composition, by end use: This entry shows who does the spending in an economy: consumers, businesses, government, and foreigners. The distribution gives the percentage contribution to total GDP of household consumption, government consumption, investment in fixed capital, investment in inventories, exports of goods and services, and imports of goods and services, and will total 100 percent of GDP if the data are complete. household consumption consists of expenditures by resident households, and by nonprofit insti . . . more GDP - composition, by end use field listing
household consumption: 68.4% (2017 est.)
government consumption: 17.3% (2017 est.)
investment in fixed capital: 17.2% (2017 est.)
investment in inventories: 0.1% (2017 est.)
exports of goods and services: 12.1% (2017 est.)
imports of goods and services: -15% (2017 est.)
GDP - composition, by sector of origin: This entry shows where production takes place in an economy. The distribution gives the percentage contribution of agriculture, industry, and services to total GDP, and will total 100 percent of GDP if the data are complete. Agriculture includes farming, fishing, and forestry. Industry includes mining, manufacturing, energy production, and construction. Services cover government activities, communications, transportation, finance, and all other private economic activities that do not prod . . . more GDP - composition, by sector of origin field listing
agriculture: 0.9% (2017 est.)
industry: 19.1% (2017 est.)
services: 80% (2017 est.)
Agriculture - products: This entry is an ordered listing of major crops and products starting with the most important. Agriculture - products field listing
wheat, corn, other grains, fruits, vegetables, cotton; beef, pork, poultry, dairy products; fish; forest products
Industries: This entry provides a rank ordering of industries starting with the largest by value of annual output. Industries field listing
highly diversified, world leading, high-technology innovator, second-largest industrial output in the world; petroleum, steel, motor vehicles, aerospace, telecommunications, chemicals, electronics, food processing, consumer goods, lumber, mining
Industrial production growth rate: This entry gives the annual percentage increase in industrial production (includes manufacturing, mining, and construction). Industrial production growth rate field listing
2.3% (2017 est.)
country comparison to the world: 122
Labor force: This entry contains the total labor force figure. Labor force field listing
160.4 million (2017 est.)

note: includes unemployed
country comparison to the world: 3
Labor force - by occupation: This entry lists the percentage distribution of the labor force by sector of occupation. Agriculture includes farming, fishing, and forestry. Industry includes mining, manufacturing, energy production, and construction. Services cover government activities, communications, transportation, finance, and all other economic activities that do not produce material goods. The distribution will total less than 100 percent if the data are incomplete and may range from 99-101 percent due to rounding. more Labor force - by occupation field listing
agriculture: 0.7% (2009)
industry: 20.3% (2009)
services: 37.3% (2009)
industry and services: 24.2% (2009)
manufacturing: 17.6% (2009)
farming, forestry, and fishing: 0.7% (2009)
manufacturing, extraction, transportation, and crafts: 20.3% (2009)
managerial, professional, and technical: 37.3% (2009)
sales and office: 24.2% (2009)
other services: 17.6% (2009)

note: figures exclude the unemployed
Unemployment rate: This entry contains the percent of the labor force that is without jobs. Substantial underemployment might be noted. Unemployment rate field listing
4.4% (2017 est.)
4.9% (2016 est.)
country comparison to the world: 62
Population below poverty line: National estimates of the percentage of the population falling below the poverty line are based on surveys of sub-groups, with the results weighted by the number of people in each group. Definitions of poverty vary considerably among nations. For example, rich nations generally employ more generous standards of poverty than poor nations. Population below poverty line field listing
15.1% (2010 est.)
Household income or consumption by percentage share: Data on household income or consumption come from household surveys, the results adjusted for household size. Nations use different standards and procedures in collecting and adjusting the data. Surveys based on income will normally show a more unequal distribution than surveys based on consumption. The quality of surveys is improving with time, yet caution is still necessary in making inter-country comparisons. Household income or consumption by percentage share field listing
lowest 10%: 2%
highest 10%: 30% (2007 est.)
Budget: This entry includes revenues, expenditures, and capital expenditures. These figures are calculated on an exchange rate basis, i.e., not in purchasing power parity (PPP) terms. Budget field listing
revenues: 3.315 trillion (2017 est.)
expenditures: 3.981 trillion (2017 est.)

note: revenues exclude social contributions of approximately $1.0 trillion; expenditures exclude social benefits of approximately $2.3 trillion
Taxes and other revenues: This entry records total taxes and other revenues received by the national government during the time period indicated, expressed as a percent of GDP. Taxes include personal and corporate income taxes, value added taxes, excise taxes, and tariffs. Other revenues include social contributions - such as payments for social security and hospital insurance - grants, and net revenues from public enterprises. Normalizing the data, by dividing total revenues by GDP, enables easy comparisons acr . . . more Taxes and other revenues field listing
17% (of GDP) (2017 est.)

note: excludes contributions for social security and other programs; if social contributions were added, taxes and other revenues would amount to approximately 22% of GDP
country comparison to the world: 172
Budget surplus (+) or deficit (-): This entry records the difference between national government revenues and expenditures, expressed as a percent of GDP. A positive (+) number indicates that revenues exceeded expenditures (a budget surplus), while a negative (-) number indicates the reverse (a budget deficit). Normalizing the data, by dividing the budget balance by GDP, enables easy comparisons across countries and indicates whether a national government saves or borrows money. Countries with high budget deficits (relat . . . more Budget surplus (+) or deficit (-) field listing
-3.4% (of GDP) (2017 est.)
country comparison to the world: 145
Public debt: This entry records the cumulative total of all government borrowings less repayments that are denominated in a country's home currency. Public debt should not be confused with external debt, which reflects the foreign currency liabilities of both the private and public sector and must be financed out of foreign exchange earnings. Public debt field listing
78.8% of GDP (2017 est.)
81.2% of GDP (2016 est.)

note: data cover only what the United States Treasury denotes as "Debt Held by the Public," which includes all debt instruments issued by the Treasury that are owned by non-US Government entities; the data include Treasury debt held by foreign entities; the data exclude debt issued by individual US states, as well as intragovernmental debt; intragovernmental debt consists of Treasury borrowings from surpluses in the trusts for Federal Social Security, Federal Employees, Hospital and Supplemental Medical Insurance (Medicare), Disability and Unemployment, and several other smaller trusts; if data for intragovernment debt were added, "gross debt" would increase by about one-third of GDP
country comparison to the world: 36
Fiscal year: This entry identifies the beginning and ending months for a country's accounting period of 12 months, which often is the calendar year but which may begin in any month. All yearly references are for the calendar year (CY) unless indicated as a noncalendar fiscal year (FY). Fiscal year field listing
1 October - 30 September
Inflation rate (consumer prices): This entry furnishes the annual percent change in consumer prices compared with the previous year's consumer prices. Inflation rate (consumer prices) field listing
2.1% (2017 est.)
1.3% (2016 est.)
country comparison to the world: 110
Current account balance: This entry records a country's net trade in goods and services, plus net earnings from rents, interest, profits, and dividends, and net transfer payments (such as pension funds and worker remittances) to and from the rest of the world during the period specified. These figures are calculated on an exchange rate basis, i.e., not in purchasing power parity (PPP) terms. Current account balance field listing
-$449.1 billion (2017 est.)
-$432.9 billion (2016 est.)
country comparison to the world: 206
Exports: This entry provides the total US dollar amount of merchandise exports on an f.o.b. (free on board) basis. These figures are calculated on an exchange rate basis, i.e., not in purchasing power parity (PPP) terms. Exports field listing
$1.553 trillion (2017 est.)
$1.456 trillion (2016 est.)
country comparison to the world: 2
Exports - partners: This entry provides a rank ordering of trading partners starting with the most important; it sometimes includes the percent of total dollar value. Exports - partners field listing
Canada 18.3%, Mexico 15.7%, China 8.4%, Japan 4.4% (2017)
Exports - commodities: This entry provides a listing of the highest-valued exported products; it sometimes includes the percent of total dollar value. Exports - commodities field listing
agricultural products (soybeans, fruit, corn) 9.2%, industrial supplies (organic chemicals) 26.8%, capital goods (transistors, aircraft, motor vehicle parts, computers, telecommunications equipment) 49.0%, consumer goods (automobiles, medicines) 15.0% (2008 est.)
Imports: This entry provides the total US dollar amount of merchandise imports on a c.i.f. (cost, insurance, and freight) or f.o.b. (free on board) basis. These figures are calculated on an exchange rate basis, i.e., not in purchasing power parity (PPP) terms. Imports field listing
$2.361 trillion (2017 est.)
$2.208 trillion (2016 est.)
country comparison to the world: 1
Imports - commodities: This entry provides a listing of the highest-valued imported products; it sometimes includes the percent of total dollar value. Imports - commodities field listing
agricultural products 4.9%, industrial supplies 32.9% (crude oil 8.2%), capital goods 30.4% (computers, telecommunications equipment, motor vehicle parts, office machines, electric power machinery), consumer goods 31.8% (automobiles, clothing, medicines, furniture, toys) (2008 est.)
Imports - partners: This entry provides a rank ordering of trading partners starting with the most important; it sometimes includes the percent of total dollar value. Imports - partners field listing
China 21.6%, Mexico 13.4%, Canada 12.8%, Japan 5.8%, Germany 5% (2017)
Reserves of foreign exchange and gold: This entry gives the dollar value for the stock of all financial assets that are available to the central monetary authority for use in meeting a country's balance of payments needs as of the end-date of the period specified. This category includes not only foreign currency and gold, but also a country's holdings of Special Drawing Rights in the International Monetary Fund, and its reserve position in the Fund. Reserves of foreign exchange and gold field listing
$123.3 billion (31 December 2017 est.)
$117.6 billion (31 December 2015 est.)
country comparison to the world: 20
Debt - external: This entry gives the total public and private debt owed to nonresidents repayable in internationally accepted currencies, goods, or services. These figures are calculated on an exchange rate basis, i.e., not in purchasing power parity (PPP) terms. Debt - external field listing
$17.91 trillion (31 March 2016 est.)
$17.85 trillion (31 March 2015 est.)
note: approximately 4/5ths of US external debt is denominated in US dollars; foreign lenders have been willing to hold US dollar denominated debt instruments because they view the dollar as the world's reserve currency
country comparison to the world: 1
Exchange rates: This entry provides the average annual price of a country's monetary unit for the time period specified, expressed in units of local currency per US dollar, as determined by international market forces or by official fiat. The International Organization for Standardization (ISO) 4217 alphabetic currency code for the national medium of exchange is presented in parenthesis. Closing daily exchange rates are not presented in The World Factbook, but are used to convert stock values - e.g., the . . . more Exchange rates field listing
British pounds per US dollar: 0.7836 (2017 est.), 0.738 (2016 est.), 0.738 (2015 est.), 0.607 (2014 est), 0.6391 (2013 est.)
Canadian dollars per US dollar: 1, 1.308 (2017 est.), 1.3256 (2016 est.), 1.3256 (2015 est.), 1.2788 (2014 est.), 1.0298 (2013 est.)
Chinese yuan per US dollar: 1, 6.7588 (2017 est.), 6.6445 (2016 est.), 6.2275 (2015 est.), 6.1434 (2014 est.), 6.1958 (2013 est.)
euros per US dollar: 0.885 (2017 est.), 0.903 (2016 est.), 0.9214(2015 est.), 0.885 (2014 est.), 0.7634 (2013 est.)
Japanese yen per US dollar: 111.10 (2017 est.), 108.76 (2016 est.), 108.76 (2015 est.), 121.02 (2014 est.), 97.44 (2013 est.)

Energy :: United States

Electricity access: This entry provides information on access to electricity. Electrification data – collected from industry reports, national surveys, and international sources – consists of four subfields. Population without electricity provides an estimate of the number of citizens that do not have access to electricity. Electrification – total population is the percent of a country’s total population with access to electricity, electrification – urban areas is the percent of a country’s urban population w . . . more Electricity access field listing
electrification - total population: 100% (2016)
Electricity - production: This entry is the annual electricity generated expressed in kilowatt-hours. The discrepancy between the amount of electricity generated and/or imported and the amount consumed and/or exported is accounted for as loss in transmission and distribution. Electricity - production field listing
4.095 trillion kWh (2016 est.)
country comparison to the world: 2
Electricity - consumption: This entry consists of total electricity generated annually plus imports and minus exports, expressed in kilowatt-hours. The discrepancy between the amount of electricity generated and/or imported and the amount consumed and/or exported is accounted for as loss in transmission and distribution. Electricity - consumption field listing
3.902 trillion kWh (2016 est.)
country comparison to the world: 2
Electricity - exports: This entry is the total exported electricity in kilowatt-hours. Electricity - exports field listing
9.695 billion kWh (2016 est.)
country comparison to the world: 22
Electricity - imports: This entry is the total imported electricity in kilowatt-hours. Electricity - imports field listing
72.72 billion kWh (2016 est.)
country comparison to the world: 1
Electricity - installed generating capacity: This entry is the total capacity of currently installed generators, expressed in kilowatts (kW), to produce electricity. A 10-kilowatt (kW) generator will produce 10 kilowatt hours (kWh) of electricity, if it runs continuously for one hour. Electricity - installed generating capacity field listing
1.087 billion kW (2016 est.)
country comparison to the world: 2
Electricity - from fossil fuels: This entry measures the capacity of plants that generate electricity by burning fossil fuels (such as coal, petroleum products, and natural gas), expressed as a share of the country's total generating capacity. Electricity - from fossil fuels field listing
70% of total installed capacity (2016 est.)
country comparison to the world: 111
Electricity - from nuclear fuels: This entry measures the capacity of plants that generate electricity through radioactive decay of nuclear fuel, expressed as a share of the country's total generating capacity. Electricity - from nuclear fuels field listing
9% of total installed capacity (2017 est.)
country comparison to the world: 18
Electricity - from hydroelectric plants: This entry measures the capacity of plants that generate electricity by water-driven turbines, expressed as a share of the country's total generating capacity. Electricity - from hydroelectric plants field listing
7% of total installed capacity (2017 est.)
country comparison to the world: 128
Electricity - from other renewable sources: This entry measures the capacity of plants that generate electricity by using renewable energy sources other than hydroelectric (including, for example, wind, waves, solar, and geothermal), expressed as a share of the country's total generating capacity. Electricity - from other renewable sources field listing
14% of total installed capacity (2017 est.)
country comparison to the world: 65
Crude oil - production: This entry is the total amount of crude oil produced, in barrels per day (bbl/day). Crude oil - production field listing
10.962 million bbl/day (2018 est.)
country comparison to the world: 1
Crude oil - exports: This entry is the total amount of crude oil exported, in barrels per day (bbl/day). Crude oil - exports field listing
1.158 million bbl/day (2017 est.)
country comparison to the world: 12
Crude oil - imports: This entry is the total amount of crude oil imported, in barrels per day (bbl/day). Crude oil - imports field listing
7.969 million bbl/day (2017 est.)
country comparison to the world: 1
Crude oil - proved reserves: This entry is the stock of proved reserves of crude oil, in barrels (bbl). Proved reserves are those quantities of petroleum which, by analysis of geological and engineering data, can be estimated with a high degree of confidence to be commercially recoverable from a given date forward, from known reservoirs and under current economic conditions. Crude oil - proved reserves field listing
NA bbl (1 January 2018 est.)
Refined petroleum products - production: This entry is the country's total output of refined petroleum products, in barrels per day (bbl/day). The discrepancy between the amount of refined petroleum products produced and/or imported and the amount consumed and/or exported is due to the omission of stock changes, refinery gains, and other complicating factors. Refined petroleum products - production field listing
20.3 million bbl/day (2017 est.)
country comparison to the world: 1
Refined petroleum products - consumption: This entry is the country's total consumption of refined petroleum products, in barrels per day (bbl/day). The discrepancy between the amount of refined petroleum products produced and/or imported and the amount consumed and/or exported is due to the omission of stock changes, refinery gains, and other complicating factors. Refined petroleum products - consumption field listing
19.96 million bbl/day (2017 est.)
country comparison to the world: 1
Refined petroleum products - exports: This entry is the country's total exports of refined petroleum products, in barrels per day (bbl/day). Refined petroleum products - exports field listing
5.218 million bbl/day (2017 est.)
country comparison to the world: 1
Refined petroleum products - imports: This entry is the country's total imports of refined petroleum products, in barrels per day (bbl/day). Refined petroleum products - imports field listing
2.175 million bbl/day (2017 est.)
country comparison to the world: 2
Natural gas - production: This entry is the total natural gas produced in cubic meters (cu m). The discrepancy between the amount of natural gas produced and/or imported and the amount consumed and/or exported is due to the omission of stock changes and other complicating factors. Natural gas - production field listing
772.8 billion cu m (2017 est.)
country comparison to the world: 1
Natural gas - consumption: This entry is the total natural gas consumed in cubic meters (cu m). The discrepancy between the amount of natural gas produced and/or imported and the amount consumed and/or exported is due to the omission of stock changes and other complicating factors. Natural gas - consumption field listing
767.6 billion cu m (2017 est.)
country comparison to the world: 1
Natural gas - exports: This entry is the total natural gas exported in cubic meters (cu m). Natural gas - exports field listing
89.7 billion cu m (2017 est.)
country comparison to the world: 4
Natural gas - imports: This entry is the total natural gas imported in cubic meters (cu m). Natural gas - imports field listing
86.15 billion cu m (2017 est.)
country comparison to the world: 4
Natural gas - proved reserves: This entry is the stock of proved reserves of natural gas in cubic meters (cu m). Proved reserves are those quantities of natural gas, which, by analysis of geological and engineering data, can be estimated with a high degree of confidence to be commercially recoverable from a given date forward, from known reservoirs and under current economic conditions. Natural gas - proved reserves field listing
0 cu m (1 January 2017 est.)
country comparison to the world: 203
Carbon dioxide emissions from consumption of energy: This entry is the total amount of carbon dioxide, measured in metric tons, released by burning fossil fuels in the process of producing and consuming energy. Carbon dioxide emissions from consumption of energy field listing
5.242 billion Mt (2017 est.)
country comparison to the world: 2

Communications :: United States

Telephones - fixed lines: This entry gives the total number of fixed telephone lines in use, as well as the number of subscriptions per 100 inhabitants. Telephones - fixed lines field listing
total subscriptions: 109.961 million
subscriptions per 100 inhabitants: 34 (2018 est.)
country comparison to the world: 2
Telephones - mobile cellular: This entry gives the total number of mobile cellular telephone subscribers, as well as the number of subscriptions per 100 inhabitants. Note that because of the ubiquity of mobile phone use in developed countries, the number of subscriptions per 100 inhabitants can exceed 100. Telephones - mobile cellular field listing
total subscriptions: 422 million
subscriptions per 100 inhabitants: 129 (2018 est.)
country comparison to the world: 3
Telecommunication systems: This entry includes a brief general assessment of the telecommunications system with details on the domestic and international components. The following terms and abbreviations are used throughout the entry: Arabsat - Arab Satellite Communications Organization (Riyadh, Saudi Arabia). Autodin - Automatic Digital Network (US Department of Defense). CB - citizen's band mobile radio communications. Cellular telephone system - the telephones in this system are radio transceivers, with each inst . . . more Telecommunication systems field listing
general assessment: a large, technologically advanced, multipurpose communications system; mobile subscriber penetration rate of about 127%; 5G technologies and commercial services into 2020; developing technologies based on 5G for non-commercial customers as well; FttP rather than FttN efforts (2018)
domestic: a large system of fiber-optic cable, microwave radio relay, coaxial cable, and domestic satellites carries every form of telephone traffic; a rapidly growing cellular system carries mobile telephone traffic throughout the country; fixed-line 34 per 100 and mobile-cellular 129 per 100 (2018)
international: country code - 1; landing points for the Quintillion Subsea Cable Network, TERRA SW, AU-Aleutian, KKFL, AKORN, Alaska United -West, & -East & -Southeast, North Star, Lynn Canal Fiber, KetchCar 1, PC-1, SCCN, Tat TGN-Pacific & -Atlantic, Jupiter, Hawaiki, NCP, FASTER, HKA, JUS, AAG, BtoBE, Currie, Southern Cross NEXT, SxS, PLCN, Utility EAC-Pacific, SEA-US, Paniolo Cable Network, HICS, HIFN, ASH, Telstra Endeavor, Honotua, AURORA, ARCOS, AMX-1, Americas -I & -II, Columbus IIb & -III, Maya-1, MAC, GTMO-1, BICS, CFX-1, GlobeNet, Monet, SAm-1, Bahamas 2, PCCS, BRUSA, Dunant, MAREA, SAE x1, TAT 14, Apollo, Gemini Bermuda, Havfrue/AEC-2, Seabras-1, WALL-LI, NYNJ-1, FLAG Atalantic-1, Yellow, Atlantic Crossing-1, AE Connect -1, sea2shore, Challenger Bermuda-1, and GTT Atlantic submarine cable systems providing international connectivity to Europe, Africa, the Middle East, Asia, Southeast Asia, Australia, New Zealand, Pacific, & Atlantic, and Indian Ocean Islands, Central and South America, Caribbean, Canada and US; satellite earth stations - 61 Intelsat (45 Atlantic Ocean and 16 Pacific Ocean), 5 Intersputnik (Atlantic Ocean region), and 4 Inmarsat (Pacific and Atlantic Ocean regions) (2020)
Broadcast media: This entry provides information on the approximate number of public and private TV and radio stations in a country, as well as basic information on the availability of satellite and cable TV services. Broadcast media field listing
4 major terrestrial TV networks with affiliate stations throughout the country, plus cable and satellite networks, independent stations, and a limited public broadcasting sector that is largely supported by private grants; overall, thousands of TV stations broadcasting; multiple national radio networks with many affiliate stations; while most stations are commercial, National Public Radio (NPR) has a network of some 900 member stations; satellite radio available; in total, over 15,000 radio stations operating (2018)
Internet country code: This entry includes the two-letter codes maintained by the International Organization for Standardization (ISO) in the ISO 3166 Alpha-2 list and used by the Internet Assigned Numbers Authority (IANA) to establish country-coded top-level domains (ccTLDs). Internet country code field listing
.us
Internet users: This entry gives the total number of individuals within a country who can access the Internet at home, via any device type (computer or mobile) and connection. The percent of population with Internet access (i.e., the penetration rate) helps gauge how widespread Internet use is within a country. Statistics vary from country to country and may include users who access the Internet at least several times a week to those who access it only once within a period of several months. Internet users field listing
total: 246,809,221
percent of population: 76.2% (July 2016 est.)
country comparison to the world: 3
Broadband - fixed subscriptions: This entry gives the total number of fixed-broadband subscriptions, as well as the number of subscriptions per 100 inhabitants. Fixed broadband is a physical wired connection to the Internet (e.g., coaxial cable, optical fiber) at speeds equal to or greater than 256 kilobits/second (256 kbit/s). Broadband - fixed subscriptions field listing
total: 110.568 million
subscriptions per 100 inhabitants: 34 (2018 est.)
country comparison to the world: 2
Communications - note: This entry includes miscellaneous communications information of significance not included elsewhere. Communications - note field listing
note 1: The Library of Congress, Washington DC, USA, claims to be the largest library in the world with more than 167 million items (as of 2018); its collections are universal, not limited by subject, format, or national boundary, and include materials from all parts of the world and in over 450 languages; collections include: books, newspapers, magazines, sheet music, sound and video recordings, photographic images, artwork, architectural drawings, and copyright data

note 2: Cape Canaveral, Florida, USA, hosts one of four dedicated ground antennas that assist in the operation of the Global Positioning System (GPS) navigation system (the others are on Ascension (Saint Helena, Ascension, and Tistan da Cunha), Diego Garcia (British Indian Ocean Territory), and at Kwajalein (Marshall Islands)

Military and Security :: United States

Military expenditures: This entry gives spending on defense programs for the most recent year available as a percent of gross domestic product (GDP); the GDP is calculated on an exchange rate basis, i.e., not in terms of purchasing power parity (PPP). For countries with no military forces, this figure can include expenditures on public security and police. Military expenditures field listing
3.42% of GDP (2019 est.)
3.3% of GDP (2018)
3.31% of GDP (2017)
3.52% of GDP (2016)
3.52% of GDP (2015)
country comparison to the world: 19
Military and security forces: This entry lists the military and security forces subordinate to defense ministries or the equivalent (typically ground, naval, air, and marine forces), as well as those belonging to interior ministries or the equivalent (typically gendarmeries, border/coast guards, paramilitary police, and other internal security forces). Military and security forces field listing
United States Armed Forces: US Army, US Navy (includes Marine Corps), US Air Force, US Coast Guard (administered in peacetime by the Department of Homeland Security, but in wartime reports to the Department of the Navy); National Guard (Army National Guard and Air National Guard); Reserves (all services) (2019)
Military service age and obligation: This entry gives the required ages for voluntary or conscript military service and the length of service obligation. Military service age and obligation field listing
18 years of age (17 years of age with parental consent) for male and female voluntary service; no conscription; maximum enlistment age 34 (Army), 39 (Air Force), 39 (Navy), 28 (Marines), 31 (Coast Guard); 8-year service obligation, including 2-5 years active duty (Army), 2 years active (Navy), 4 years active (Air Force, Marines, Coast Guard); all military occupations and positions open to women (2019)

Transportation :: United States

National air transport system: This entry includes four subfields describing the air transport system of a given country in terms of both structure and performance. The first subfield, number of registered air carriers, indicates the total number of air carriers registered with the country’s national aviation authority and issued an air operator certificate as required by the Convention on International Civil Aviation. The second subfield, inventory of registered aircraft operated by air carriers, lists the total number . . . more National air transport system field listing
number of registered air carriers: 92 (2015)
inventory of registered aircraft operated by air carriers: 6,817 (2015)
annual passenger traffic on registered air carriers: 798.23 million (2015)
annual freight traffic on registered air carriers: 37.219 billion mt-km (2015)
Civil aircraft registration country code prefix: This entry provides the one- or two-character alphanumeric code indicating the nationality of civil aircraft. Article 20 of the Convention on International Civil Aviation (Chicago Convention), signed in 1944, requires that all aircraft engaged in international air navigation bear appropriate nationality marks. The aircraft registration number consists of two parts: a prefix consisting of a one- or two-character alphanumeric code indicating nationality and a registration suffix of one to fi . . . more Civil aircraft registration country code prefix field listing
N (2016)
Airports: This entry gives the total number of airports or airfields recognizable from the air. The runway(s) may be paved (concrete or asphalt surfaces) or unpaved (grass, earth, sand, or gravel surfaces) and may include closed or abandoned installations. Airports or airfields that are no longer recognizable (overgrown, no facilities, etc.) are not included. Note that not all airports have accommodations for refueling, maintenance, or air traffic control. Airports field listing
13,513 (2013)
country comparison to the world: 1
Airports - with paved runways: This entry gives the total number of airports with paved runways (concrete or asphalt surfaces) by length. For airports with more than one runway, only the longest runway is included according to the following five groups - (1) over 3,047 m (over 10,000 ft), (2) 2,438 to 3,047 m (8,000 to 10,000 ft), (3) 1,524 to 2,437 m (5,000 to 8,000 ft), (4) 914 to 1,523 m (3,000 to 5,000 ft), and (5) under 914 m (under 3,000 ft). Only airports with usable runways are included in this listing. Not all . . . more Airports - with paved runways field listing
total: 5,054 (2013)
over 3,047 m: 189 (2013)
2,438 to 3,047 m: 235 (2013)
1,524 to 2,437 m: 1,478 (2013)
914 to 1,523 m: 2,249 (2013)
under 914 m: 903 (2013)
Airports - with unpaved runways: This entry gives the total number of airports with unpaved runways (grass, dirt, sand, or gravel surfaces) by length. For airports with more than one runway, only the longest runway is included according to the following five groups - (1) over 3,047 m (over 10,000 ft), (2) 2,438 to 3,047 m (8,000 to 10,000 ft), (3) 1,524 to 2,437 m (5,000 to 8,000 ft), (4) 914 to 1,523 m (3,000 to 5,000 ft), and (5) under 914 m (under 3,000 ft). Only airports with usable runways are included in this listin . . . more Airports - with unpaved runways field listing
total: 8,459 (2013)
over 3,047 m: 1 (2013)
2,438 to 3,047 m: 6 (2013)
1,524 to 2,437 m: 140 (2013)
914 to 1,523 m: 1,552 (2013)
under 914 m: 6,760 (2013)
Heliports: This entry gives the total number of heliports with hard-surface runways, helipads, or landing areas that support routine sustained helicopter operations exclusively and have support facilities including one or more of the following facilities: lighting, fuel, passenger handling, or maintenance. It includes former airports used exclusively for helicopter operations but excludes heliports limited to day operations and natural clearings that could support helicopter landings and takeoffs. Heliports field listing
5,287 (2013)
Pipelines: This entry gives the lengths and types of pipelines for transporting products like natural gas, crude oil, or petroleum products. Pipelines field listing
1,984,321 km natural gas, 240,711 km petroleum products (2013)
Railways: This entry states the total route length of the railway network and of its component parts by gauge, which is the measure of the distance between the inner sides of the load-bearing rails. The four typical types of gauges are: broad, standard, narrow, and dual. Other gauges are listed under note. Some 60% of the world's railways use the standard gauge of 1.4 m (4.7 ft). Gauges vary by country and sometimes within countries. The choice of gauge during initial construction was mainly in resp . . . more Railways field listing
total: 293,564 km (2014)
standard gauge: 293,564.2 km 1.435-m gauge (2014)
country comparison to the world: 1
Roadways: This entry gives the total length of the road network and includes the length of the paved and unpaved portions. Roadways field listing
total: 6,586,610 km (2012)
paved: 4,304,715 km (includes 76,334 km of expressways) (2012)
unpaved: 2,281,895 km (2012)
country comparison to the world: 1
Waterways: This entry gives the total length of navigable rivers, canals, and other inland bodies of water. Waterways field listing
41,009 km (19,312 km used for commerce; Saint Lawrence Seaway of 3,769 km, including the Saint Lawrence River of 3,058 km, is shared with Canada) (2012)
country comparison to the world: 5
Merchant marine: This entry provides the total and the number of each type of privately or publicly owned commercial ship for each country; military ships are not included; the five ships by type include: bulk carrier - for cargo such as coal, grain, cement, ores, and gravel; container ship - for loads in truck-size containers, a transportation system called containerization; general cargo - also referred to as break-bulk containers - for a wide variety of packaged merchandise, such as textiles, furniture . . . more Merchant marine field listing
total: 3,673
by type: bulk carrier 5, container ship 60, general cargo 104, oil tanker 68, other 3,436 (2019)
country comparison to the world: 5
Ports and terminals: This entry lists major ports and terminals primarily on the basis of the amount of cargo tonnage shipped through the facilities on an annual basis. In some instances, the number of containers handled or ship visits were also considered. Most ports service multiple classes of vessels including bulk carriers (dry and liquid), break bulk cargoes (goods loaded individually in bags, boxes, crates, or drums; sometimes palletized), containers, roll-on/roll-off, and passenger ships. The listing le . . . more Ports and terminals field listing
oil terminal(s): LOOP terminal, Haymark terminal
container port(s) (TEUs): Charleston (2,177,000), Hampton Roads (2,841,000), Houston (2,459,000), Long Beach (7,544,000), Los Angeles (9,343,000), New York/New Jersey (6,710,000), Oakland (2,420,000), Savannah (4,046,000), Seattle/Tacoma (3,665,000) (2017)
LNG terminal(s) (export): Cameron (LA), Corpus Christi (TX), Cove Point (MD), Elba Island (GA), Freeport (TX), Sabine Pass (LA)
note - two additional export facilities are under construction and expected to begin commercial operations in 2023-2024
LNG terminal(s) (import): Cove Point (MD), Elba Island (GA), Everett (MA), Freeport (TX), Golden Pass (TX), Hackberry (LA), Lake Charles (LA), Neptune (offshore), Northeast Gateway (offshore), Pascagoula (MS), Sabine Pass (TX)
cargo ports: Baton Rouge, Corpus Christi, Hampton Roads, Houston, Long Beach, Los Angeles, New Orleans, New York, Plaquemines (LA), Tampa, Texas City
cruise departure ports (passengers): Miami (2,032,000), Port Everglades (1,277,000), Port Canaveral (1,189,000), Seattle (430,000), Long Beach (415,000) (2009)

Transnational Issues :: United States

Disputes - international: This entry includes a wide variety of situations that range from traditional bilateral boundary disputes to unilateral claims of one sort or another. Information regarding disputes over international terrestrial and maritime boundaries has been reviewed by the US Department of State. References to other situations involving borders or frontiers may also be included, such as resource disputes, geopolitical questions, or irredentist issues; however, inclusion does not necessarily constitute . . . more Disputes - international field listing

the US has intensified domestic security measures and is collaborating closely with its neighbors, Canada and Mexico, to monitor and control legal and illegal personnel, transport, and commodities across the international borders; abundant rainfall in recent years along much of the Mexico-US border region has ameliorated periodically strained water-sharing arrangements; 1990 Maritime Boundary Agreement in the Bering Sea still awaits Russian Duma ratification; Canada and the United States dispute how to divide the Beaufort Sea and the status of the Northwest Passage but continue to work cooperatively to survey the Arctic continental shelf; The Bahamas and US have not been able to agree on a maritime boundary; US Naval Base at Guantanamo Bay is leased from Cuba and only mutual agreement or US abandonment of the area can terminate the lease; Haiti claims US-administered Navassa Island; US has made no territorial claim in Antarctica (but has reserved the right to do so) and does not recognize the claims of any other states; Marshall Islands claims Wake Island; Tokelau included American Samoa's Swains Island among the islands listed in its 2006 draft constitution
Refugees and internally displaced persons: This entry includes those persons residing in a country as refugees, internally displaced persons (IDPs), or stateless persons. Each country's refugee entry includes only countries of origin that are the source of refugee populations of 5,000 or more. The definition of a refugee according to a UN Convention is "a person who is outside his/her country of nationality or habitual residence; has a well-founded fear of persecution because of his/her race, religion, nationality, membership in a . . . more Refugees and internally displaced persons field listing
refugees (country of origin): the US admitted 30,000 refugees during FY2019 including: 12,958 (Democratic Republic of the Congo), 4,932 (Burma), 4,451 (Ukraine), 1,757 (Eritrea), 1,198 (Afghanistan)

note: 72,722 Venezuelans have claimed asylum since 2014 because of the economic and political crisis (2018)
Illicit drugs: This entry gives information on the five categories of illicit drugs - narcotics, stimulants, depressants (sedatives), hallucinogens, and cannabis. These categories include many drugs legally produced and prescribed by doctors as well as those illegally produced and sold outside of medical channels. Cannabis (Cannabis sativa) is the common hemp plant, which provides hallucinogens with some sedative properties, and includes marijuana (pot, Acapulco gold, grass, reefer), tetrahydroca . . . more Illicit drugs field listing
world's largest consumer of cocaine (shipped from Colombia through Mexico and the Caribbean), Colombian heroin, and Mexican heroin and marijuana; major consumer of ecstasy and Mexican methamphetamine; minor consumer of high-quality Southeast Asian heroin; illicit producer of cannabis, marijuana, depressants, stimulants, hallucinogens, and methamphetamine; money-laundering center

 

World

Index

Hellenica World - Scientific Library