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United States
  • Introduction :: UNITED STATES

  • 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.
  • Geography :: UNITED STATES

  • North America, bordering both the North Atlantic Ocean and the North Pacific Ocean, between Canada and Mexico
    38 00 N, 97 00 W
    North America
    total: 9,826,675 sq km
    land: 9,161,966 sq km
    water: 664,709 sq km
    note: includes only the 50 states and District of Columbia, no overseas territories
    country comparison to the world: 3
    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
    total: 12,048 km
    border countries (2): Canada 8,893 km (including 2,477 km with Alaska), Mexico 3,155 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
    19,924 km
    territorial sea: 12 nm
    contiguous zone: 24 nm
    exclusive economic zone: 200 nm
    continental shelf: not specified
    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
    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
    lowest point: Death Valley -86 m
    highest point: Mount McKinley (Denali) 6,194 m (highest point in North America)
    note: the peak of Mauna Kea (4,205 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
    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
    agricultural land: 44.5%
    arable land 16.8%; permanent crops 0.3%; permanent pasture 27.4%
    forest: 33.3%
    other: 22.2% (2011 est.)
    266,440 sq km (2007)
    3,069 cu km (2011)
    total: 478.4 cu km/yr (14%/46%/40%)
    per capita: 1,583 cu m/yr (2005)
    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 (elev. 4,170 m) in Hawaii and Mount Rainier (elev. 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 (elev. 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 (elev. 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; in Hawaii: Trident, Ugashik-Peulik, Ukinrek Maars, Veniaminof; in the Northern Mariana Islands: Anatahan; and in the Pacific Northwest: Mount Baker, Mount Hood
    large emitter of carbon dioxide from the burning of fossil fuels; air pollution resulting in acid rain in both the US and Canada; water pollution from runoff of pesticides and fertilizers; limited natural freshwater resources in much of the western part of the country require careful management; desertification
    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
    world's third-largest country by size (after Russia and Canada) and by population (after China and India); Mt. McKinley is highest point in North America and Death Valley the lowest point on the continent
  • People and Society :: UNITED STATES

  • noun: American(s)
    adjective: American
    white 79.96%, black 12.85%, Asian 4.43%, Amerindian and Alaska native 0.97%, native Hawaiian and other Pacific islander 0.18%, two or more races 1.61% (July 2007 estimate)
    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.); about 15.1% of the total US population is Hispanic
    English 79.2%, Spanish 12.9%, other Indo-European 3.8%, Asian and Pacific island 3.3%, other 0.9% (2011 est.)
    note: data represents the language spoken at home; the US has no official national language, but English has acquired official status in 31 of the 50 states; Hawaiian is an official language in the state of Hawaii
    Protestant 51.3%, Roman Catholic 23.9%, Mormon 1.7%, other Christian 1.6%, Jewish 1.7%, Buddhist 0.7%, Muslim 0.6%, other or unspecified 2.5%, unaffiliated 12.1%, none 4% (2007 est.)
    321,368,864 (July 2015 est.)
    country comparison to the world: 4
    0-14 years: 18.99% (male 31,171,623/female 29,845,713)
    15-24 years: 13.64% (male 22,473,687/female 21,358,609)
    25-54 years: 39.76% (male 63,838,086/female 63,947,036)
    55-64 years: 12.73% (male 19,731,664/female 21,172,201)
    65 years and over: 14.88% (male 21,129,978/female 26,700,267) (2015 est.)
    population pyramid:
    total dependency ratio: 51%
    youth dependency ratio: 29.4%
    elderly dependency ratio: 21.6%
    potential support ratio: 4.6% (2014 est.)
    total: 37.6 years
    male: 36.3 years
    female: 39 years (2014 est.)
    0.78% (2015 est.)
    country comparison to the world: 143
    12.49 births/1,000 population (2015 est.)
    country comparison to the world: 150
    8.15 deaths/1,000 population (2015 est.)
    country comparison to the world: 94
    3.86 migrant(s)/1,000 population (2015 est.)
    country comparison to the world: 40
    urban population: 81.6% of total population (2015)
    rate of urbanization: 1.02% annual rate of change (2010-15 est.)
    New York-Newark 18.591 million; Los Angeles-Long Beach-Santa Ana 12.308 million; Dallas-Fort Worth 5.603 million; Chicago 8.739 million; Miami 5.771 million; Philadelphia 5.571 million; WASHINGTON, D.C. (capital) 4.896 million (2014)
    at birth: -9 male(s)/female
    0-14 years: 1.04 male(s)/female
    15-24 years: 1.05 male(s)/female
    25-54 years: 1 male(s)/female
    55-64 years: 0.93 male(s)/female
    65 years and over: 0.79 male(s)/female
    total population: 0.97 male(s)/female (2015 est.)
    total: 5.87 deaths/1,000 live births
    male: 6.37 deaths/1,000 live births
    female: 5.35 deaths/1,000 live births (2015 est.)
    country comparison to the world: 169
    total population: 79.68 years
    male: 77.32 years
    female: 81.97 years (2015 est.)
    country comparison to the world: 42
    1.87 children born/woman (2015 est.)
    country comparison to the world: 123
    76.4%
    note: percent of women aged 15-44 (2006/10)
    17.1% of GDP (2013)
    country comparison to the world: 1
    2.45 physicians/1,000 population (2011)
    2.9 beds/1,000 population (2011)
    improved:
    urban: 99.4% of population
    rural: 98% of population
    total: 99.2% of population
    unimproved:
    urban: 0.6% of population
    rural: 2% of population
    total: 0.8% of population (2012 est.)
    improved:
    urban: 100% of population
    rural: 100% of population
    total: 100% of population
    unimproved:
    urban: 0% of population
    rural: 0% of population
    total: 0% of population (2012 est.)
    NA
    NA
    NA
    35% (2014)
    country comparison to the world: 18
    0.5% (2012)
    country comparison to the world: 136
    5.2% of GDP (2011)
    country comparison to the world: 63
    total: 16 years
    male: 16 years
    female: 17 years (2012)
    total: 17.3%
    male: 18.7%
    female: 15.7% (2011 est.)
    country comparison to the world: 68
  • Government :: UNITED STATES

  • conventional long form: United States of America
    conventional short form: United States
    abbreviation: US or USA
    note: the name America is derived from that of Amerigo VESPUCCI (1454-1512), Italian explorer, navigator, and cartographer
    constitution-based federal republic; strong democratic tradition
    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
    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
    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)
    4 July 1776 (declared); 3 September 1783 (recognized by Great Britain)
    Independence Day, 4 July (1776)
    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 states 21 June 1788, effective 4 March 1789; amended many times, last in 1992 (2014)
    common law system based on English common law at the federal level; state legal systems based on common law except Louisiana, which is based on Napoleonic civil code; judicial review of legislative acts
    withdrew acceptance of compulsory ICJ jurisdiction in 2005; withdrew acceptance of ICCt jurisdiction in 2002
    18 years of age; universal
    chief of state: President Barack H. OBAMA (since 20 January 2009); Vice President Joseph R. BIDEN (since 20 January 2009); note - the president is both chief of state and head of government
    head of government: President Barack H. OBAMA (since 20 January 2009); Vice President Joseph R. BIDEN (since 20 January 2009)
    cabinet: Cabinet appointed by the president with Senate approval
    elections: president and vice president elected on the same ticket by an electoral college of representatives who are elected directly from each state; president and vice president serve 4-year terms (eligible for a second term); election last held 6 November 2012 (next to be held on 8 November 2016)
    election results: Barack H. OBAMA reelected president; electoral votes - Barack H. OBAMA 332, ROMNEY 206; percent of popular vote - Barack H. OBAMA 50.6%, Mitt ROMNEY 47.9%, other 1.5%
    description: bicameral Congress consists of the 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) and the 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 4 November 2014 (next to be held on 1 November 2016); House of Representatives - last held on 4 November 2014 (next to be held on 1 November 2016)
    election results: Senate - percent of vote by party - NA; seats by party - Democratic Party 44, Republican Party 54, independent 2; House of Representatives - percent of vote by party - NA; seats by party - Democratic Party 188, Republican Party 247
    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; 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 4 November 2014 (next to be held on 1 November 2016)
    highest court(s): 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 appointed 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
    Democratic Party [Debbie Wasserman SCHULTZ]
    Green Party [Brian Bittner]
    Libertarian Party [Nicholas SARWARK]
    Republican Party [Reince PRIEBUS]
    other: environmentalists; business groups; labor unions; churches; ethnic groups; political action committees or PACs; health groups; education groups; civic groups; youth groups; transportation groups; agricultural groups; veterans groups; women's groups; reform lobbies
    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, UNSC (permanent), UNTSO, UPU, WCO, WHO, WIPO, WMO, WTO, ZC
    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; the 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
    bald eagle; national colors: red, white, blue
    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

  • The US has the most technologically powerful economy in the world, with a per capita GDP of $54,800. In 2014, however, US GDP ran second to China’s, when compared on a Purchasing Power Parity basis; the US lost the top spot, where it had stood for more than a century. 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, they face higher barriers to enter their rivals' home markets than foreign firms face entering US markets. US firms are at or near the forefront in technological advances, especially in computers and in medical, aerospace, and military equipment; their advantage has narrowed since the end of World War II. 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, has put additional downward pressure on wages and upward pressure on the returns 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 nearly 55% of US consumption. 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. The sub-prime mortgage crisis, falling home prices, investment bank failures, tight credit, and the global economic downturn pushed the United States into a recession by mid-2008. GDP contracted until the third quarter of 2009, making this the deepest and longest downturn since the Great Depression.
    To help stabilize financial markets, in October 2008 the US Congress established a $700 billion Troubled Asset Relief Program (TARP). 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 the US Congress passed and 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. 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 2014, the direct costs of the wars totaled more than $1.5 trillion, according to US Government figures. US revenues from taxes and other sources are lower, as a percentage of GDP, than those of most other countries. In March 2010, President OBAMA signed into law the Patient Protection and Affordable Care Act, a health insurance reform that was designed to extend coverage to an additional 32 million American citizens by 2016, through private health insurance for the general population and Medicaid for the impoverished. Total spending on health care - public plus private - rose from 9.0% of GDP in 1980 to 17.9% in 2010. In July 2010, the 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. In December 2012, the Federal Reserve Board (Fed) announced plans 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%. In late 2013, the Fed announced that it would begin scaling back long-term bond purchases to $75 billion per month in January 2014 and reduce them further as conditions warranted; the Fed ended the purchases during the summer of 2014. Long-term problems 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.
    $17.42 trillion (2014 est.)
    $17.01 trillion (2013 est.)
    $16.64 trillion (2012 est.)
    note: data are in 2014 US dollars
    country comparison to the world: 3
    $17.42 trillion (2014 est.)
    2.4% (2014 est.)
    2.2% (2013 est.)
    2.3% (2012 est.)
    country comparison to the world: 131
    $54,600 (2014 est.)
    $53,300 (2013 est.)
    $52,200 (2012 est.)
    note: data are in 2013 US dollars
    country comparison to the world: 19
    17.9% of GDP (2014 est.)
    18.1% of GDP (2013 est.)
    17.5% of GDP (2012 est.)
    country comparison to the world: 99
    household consumption: 68.7%
    government consumption: 18.1%
    investment in fixed capital: 15.9%
    investment in inventories: 0.4%
    exports of goods and services: 13.4%
    imports of goods and services: -16.4%
    (2014 est.)
    agriculture: 1.6%
    industry: 20.7%
    services: 77.7%
    (2014 est.)
    wheat, corn, other grains, fruits, vegetables, cotton; beef, pork, poultry, dairy products; fish; forest products
    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
    2.8% (2014 est.)
    country comparison to the world: 103
    156 million
    note: includes unemployed (2014 est.)
    country comparison to the world: 4
    farming, forestry, and fishing: 0.7%
    manufacturing, extraction, transportation, and crafts: 20.3%
    managerial, professional, and technical: 37.3%
    sales and office: 24.2%
    other services: 17.6%
    note: figures exclude the unemployed
    (2009)
    6.2% (2014 est.)
    7.4% (2013 est.)
    country comparison to the world: 65
    15.1% (2010 est.)
    lowest 10%: 2%
    highest 10%: 30% (2007 est.)
    45 (2007)
    40.8 (1997)
    country comparison to the world: 41
    revenues: $3.029 trillion
    expenditures: $3.52 trillion
    note: for the US, revenues exclude social contributions of approximately $1.0 trillion; expenditures exclude social benefits of approximately $2.3 trillion (2014 est.)
    17.4% of GDP
    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 (2014 est.)
    country comparison to the world: 179
    -2.8% of GDP (2014 est.)
    country comparison to the world: 108
    71.2% of GDP (2014 est.)
    72.3% of GDP (2013 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 intra-governmental debt; intra-governmental debt consists of Treasury borrowings from surpluses in the trusts for Federal Social Security, Federal Employees, Hospital Insurance (Medicare and Medicaid), Disability and Unemployment, and several other smaller trusts; if data for intra-government debt were added, "Gross Debt" would increase by about one-third of GDP
    country comparison to the world: 39
    1 October - 30 September
    1.6% (2014 est.)
    1.5% (2013 est.)
    0.5% (31 December 2010)
    0.5% (31 December 2009)
    country comparison to the world: 142
    3.3% (31 December 2014 est.)
    3.25% (31 December 2013 est.)
    country comparison to the world: 168
    $2.943 trillion (31 December 2014 est.)
    $2.546 trillion (31 December 2013 est.)
    country comparison to the world: 4
    $11.79 trillion (31 December 2014 est.)
    $10.69 trillion (31 December 2013 est.)
    country comparison to the world: 3
    $18.73 trillion (31 December 2014 est.)
    $17.58 trillion (31 December 2013 est.)
    country comparison to the world: 2
    $18.67 trillion (31 December 2012 est.)
    $15.64 trillion (31 December 2011)
    $17.14 trillion (31 December 2010 est.)
    country comparison to the world: 1
    -$410.6 billion (2014 est.)
    -$400.3 billion (2013 est.)
    country comparison to the world: 193
    $1.61 trillion (2014 est.)
    $1.592 trillion (2013 est.)
    country comparison to the world: 3
    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.)
    Canada 19%, Mexico 14.3%, China 7.7%, Japan 4.1% (2013)
    $2.334 trillion (2014 est.)
    $2.295 trillion (2013 est.)
    country comparison to the world: 1
    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.)
    China 19.6%, Canada 14.6%, Mexico 12.3%, Japan 6.1%, Germany 5% (2013)
    $144.6 billion (31 December 2013 est.)
    country comparison to the world: 19
    $15.68 trillion (31 December 2012 est.)
    $15.51 trillion (31 December 2011 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: 2
    $3.258 trillion (31 December 2014 est.)
    $2.946 trillion (31 December 2013 est.)
    country comparison to the world: 1
    $5.266 trillion (31 December 2014 est.)
    $4.862 trillion (31 December 2013 est.)
    country comparison to the world: 1
    British pounds per US dollar: 0.6003 (2014 est), 0.6391 (2013 est.), 0.6324 (2012 est.), 0.624 (2011 est.), 0.6472 (2010
    Canadian dollars per US dollar: (2014 est.), 1.099 (2014 est.), 1.0298 (2013 est.), 0.9992 (2012 est.), 0.9895 (2011 est), 1.0302 (2010 est.)
    Chinese yuan per US dollar: (2013 est.), 6.12 (2014 est.), 6.1958(2013 est.), 6.3123 (2012 est.), 6.4615 (20111 est.), 6.7703 (2010 est.)
    euros per US dollar: (2012 est.), 0.7489 (2014 est.), 0.7634 (2013 est.), 0.7752 (2012 est.), 0.7185 (2011 est.), 0.755 (2010 est.)
    Japanese yen per US dollar: 104.50 (2014 est.), 97.44 (2013 est.), 79.79 (2012 est.), 79.81 (2011 est.), 87.78 (2010)
  • Energy :: UNITED STATES

  • 4.048 trillion kWh (2012 est.)
    country comparison to the world: 2
    3.883 trillion kWh (2011 est.)
    country comparison to the world: 2
    11.28 billion kWh (2013 est.)
    country comparison to the world: 18
    63.61 billion kWh (2013 est.)
    country comparison to the world: 2
    1.053 billion kW (2011 est.)
    country comparison to the world: 3
    76.3% of total installed capacity (2011 est.)
    country comparison to the world: 99
    9.8% of total installed capacity (2011 est.)
    country comparison to the world: 19
    7.6% of total installed capacity (2011 est.)
    country comparison to the world: 121
    6.2% of total installed capacity (2011 est.)
    country comparison to the world: 48
    11.27 million bbl/day (2013 est.)
    country comparison to the world: 2
    67,470 bbl/day (2012 est.)
    country comparison to the world: 43
    8.527 million bbl/day (2012 est.)
    country comparison to the world: 1
    30.53 billion bbl (1 January 2014 est.)
    country comparison to the world: 11
    18.56 million bbl/day (2012 est.)
    country comparison to the world: 1
    18.89 million bbl/day (2013 est.)
    country comparison to the world: 1
    2.311 million bbl/day (2012 est.)
    country comparison to the world: 2
    2.071 million bbl/day (2010 est.)
    country comparison to the world: 3
    687.6 billion cu m (2013 est.)
    country comparison to the world: 1
    737.3 billion cu m (2013 est.)
    country comparison to the world: 1
    44.51 billion cu m (2013 est.)
    country comparison to the world: 10
    81.63 billion cu m (2013 est.)
    country comparison to the world: 4
    8.734 trillion cu m (1 January 2013 est.)
    country comparison to the world: 4
    5.27 billion Mt (2012 est.)
    country comparison to the world: 2
  • Communications :: UNITED STATES

  • 139 million (2012)
    country comparison to the world: 2
    310 million (2012)
    country comparison to the world: 3
    general assessment: a large, technologically advanced, multipurpose communications system
    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
    international: country code - 1; multiple ocean cable systems provide international connectivity; 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) (2011)
    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 600 member stations; satellite radio available; overall, nearly 15,000 radio stations operating (2008)
    AM 4,789, FM 8,961, shortwave 19 (2006)
    2,218 (2006)
    .us
    505 million (2012); note - the US Internet total host count includes the following top-level domain host addresses: .us, .com, .edu, .gov, .mil, .net, and .org
    country comparison to the world: 1
    245 million (2009)
    country comparison to the world: 2
  • Transportation :: UNITED STATES

  • 13,513 (2013)
    country comparison to the world: 1
    total: 5,054
    over 3,047 m: 189
    2,438 to 3,047 m: 235
    1,524 to 2,437 m: 1,478
    914 to 1,523 m: 2,249
    under 914 m: 903 (2013)
    total: 8,459
    over 3,047 m: 1
    2,438 to 3,047 m: 6
    1,524 to 2,437 m: 140
    914 to 1,523 m: 1,552
    under 914 m:
    6,760 (2013)
    5,287 (2013)
    natural gas 1,984,321 km; petroleum products 240,711 km (2013)
    total: 224,792 km
    standard gauge: 224,792 km 1.435-m gauge (2007)
    country comparison to the world: 1
    total: 6,586,610 km
    paved: 4,304,715 km (includes 76,334 km of expressways)
    unpaved: 2,281,895 km (2012)
    country comparison to the world: 1
    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
    total: 393
    by type: barge carrier 6, bulk carrier 55, cargo 51, carrier 2, chemical tanker 30, container 84, passenger 18, passenger/cargo 56, petroleum tanker 35, refrigerated cargo 3, roll on/roll off 27, vehicle carrier 26
    foreign-owned: 85 (Australia 1, Bermuda 5, Denmark 31, France 4, Germany 5, Malaysia 2, Norway 17, Singapore 16, UK 4)
    registered in other countries: 794 (Antigua and Barbuda 7, Australia 2, Bahamas 109, Belgium 1, Bermuda 26, Canada 10, Cayman Islands 57, Comoros 2, Cyprus 5, Georgia 1, Greece 8, Honduras 1, Hong Kong 44, Indonesia 2, Ireland 2, Isle of Man 1, Italy 23, Liberia 53, Malta 34, Marshall Islands 200, Netherlands 16, Norway 10, Panama 90, Portugal 4, Saint Kitts and Nevis 1, Saint Vincent and the Grenadines 18, Singapore 36, South Korea 8, Togo 1, UK 14, Vanuatu 2, unknown 6) (2010)
    country comparison to the world: 26
    cargo ports (tonnage): Baton Rouge, Corpus Christi, Hampton Roads, Houston, Long Beach, Los Angeles, New Orleans, New York, Plaquemines, Tampa, Texas City
    container port(s) (TEUs): Hampton Roads (1,918,029), Houston (1,866,450), Long Beach (6,061,091), Los Angeles (7,940,511), New York/New Jersey (5,503,485), Oakland (2,342,504), Savannah (2,944,678), Seattle (2,033,535)(2011)
    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)
    oil terminals: LOOP terminal, Haymark terminal
    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)
    LNG terminal(s) (export): Kenai (AK)
  • Military :: UNITED STATES

  • United States Armed Forces: US Army, US Navy (includes Marine Corps), US Air Force, US Coast Guard; note - Coast Guard administered in peacetime by the Department of Homeland Security, but in wartime reports to the Department of the Navy (2013)
    18 years of age (17 years of age with parental consent) for male and female voluntary service; no conscription; maximum enlistment age 42 (Army), 27 (Air Force), 34 (Navy), 28 (Marines); service obligation 8 years, including 2-5 years active duty (Army), 2 years active (Navy), 4 years active (Air Force, Marines); DoD is eliminating prohibitions restricting women from assignments in units smaller than brigades or near combat units (2013)
    males age 16-49: 73,270,043
    females age 16-49: 71,941,969 (2010 est.)
    males age 16-49: 60,620,143
    females age 16-49: 59,401,941 (2010 est.)
    male: 2,161,727
    female: 2,055,685 (2010 est.)
    4.35% of GDP (2012)
    4.75% of GDP (2011)
    4.35% of GDP (2010)
    country comparison to the world: 9
  • Transnational Issues :: UNITED STATES

  • 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 (country of origin): the US admitted 69,987 refugees during FY2014 including: 19,769 (Iraq); 14,598 (Burma); 9,000 (Somalia); 8,434 (Bhutan); 4,540 (Democratic Republic of the Congo); 4,062 (Cuba); 2,846 (Iran)
    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
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