The United States is: a megadiverse country
Location (50 states):
Northern Hemisphere and Western Hemisphere (except western Aleutian Islands)
Americas
North America
Northern America
Oceania
Polynesia
Time zones:
Atlantic Standard Time (UTC-04), Atlantic Daylight Time (UTC-03) (Puerto Rico)
Eastern Standard Time (UTC-05), Eastern Daylight Time (UTC-04)
Central Standard Time (UTC-06), Central Daylight Time (UTC-05)
Mountain Standard Time (UTC-07), Mountain Daylight Time (UTC-06)
Pacific Standard Time (UTC-08), Pacific Daylight Time (UTC-07)
Alaska Standard Time (UTC-09), Alaska Daylight Time (UTC-08)
Hawaii-Aleutian Standard Time (UTC-10), Hawaii-Aleutian Daylight Time (UTC-09)
Extreme points of the United States:
North: Point Barrow, Alaska 71°23′15″N 156°28′52″W
South: Ka Lae, Island of Hawai'i, Hawai'i (18°54′39″N 155°40′52″W)
East: Sail Rock, just offshore West Quoddy Head, Maine 44°48′54″N 66°56′52″W
Physically East: Eastern Semisopochnoi Island, Alaska 51°57′40″N 179°46′29″E
West: Peaked Island, offshore Cape Wrangell, Attu Island, Alaska 52°55′00″N 172°26′00″E
Physically West: Western Amatignak Island, Alaska 51°16′06″N 179°09′00″W
High: Denali (Mount McKinley), Alaska at 6,194 meters (20,322 ft) 63°4′10″N 151°0′26″W
Low: Badwater Basin, Death Valley, California at −86 meters (−282 ft) 36°13′58″N 116°46′42″W
Land boundaries: 12,034 km (7,477 mi)
Coastline: 19,924 km (12,380 mi)
Population of the United States: 308,745,538 (2010 census) – 3rd most populous country
Area of the United States: 9,826,630 km2 (3,794,080 sq mi) – 3rd most extensive country
Atlas of the United States
Cities of the United States, by population
Beaches in the United States
Climate of the United States
Climate change in the United States
Environmental issues in the United States
Ecoregions in the United States
Renewable energy in the United States
Geothermal energy in the United States
Solar power in the United States
Wind power in the United States
Geology of the United States
Earthquakes in the United States
National parks of the United States
Protected areas of the United States
Superfund sites in the United States
Wildlife of the United States
Flora of the United States
Fauna of the United States
Birds of the United States
Mammals of the United States
Fjords of the United States
Glaciers of the United States
Islands of the United States
Lakes of the United States
Mountain peaks of the United States
The 104 highest major summits of the United States
The 129 most prominent summits of the United States
The 112 most isolated major summits of the United States
Alaska Range
Appalachian Mountains
Black Hills
Cascade Range
Ozark Mountains
Sierra Nevada
Rocky Mountains
Volcanoes of the United States
Rivers of the United States
Columbia River
Colorado River
Hudson River
Mississippi River
Missouri River
Potomac River
Rio Grande
Ohio River
Delaware River
Susquehanna River
Waterfalls of the United States
Valleys of the United States
List of World Heritage Sites in the United States
East Coast of the United States
West Coast of the United States
Belt regions of the United States
New England
Mid-Atlantic
The South
Midwest
Great Plains
Pacific Northwest
Southwest
Hawaiian Archipelago
The geography of the United States varies across their immense area. Within the contential U.S., eight distinct physiographic divisions exist, though each is composed of several smaller physiographic subdivisions. These major divisions are:
Laurentian Upland - part of the Canadian Shield that extends into the northern United States Great Lakes area.
Atlantic Plain - the coastal regions of the eastern and southern parts includes the continental shelf, the Atlantic Coast and the Gulf Coast.
Appalachian Highlands - lying on the eastern side of the United States, it includes the Appalachian Mountains, Adirondacks and New England province.
Interior Plains - part of the interior contentintal United States, it includes much of what is called the Great Plains.
Interior Highlands - also part of the interior contentintal United States, this division includes the Ozark Plateau.
Rocky Mountain System - one branch of the Cordilleran system lying far inland in the western states.
Intermontane Plateaus - also divided into the Columbia Plateau, the Colorado Plateau and the Basin and Range Province, it is a system of plateaus, basins, ranges and gorges between the Rocky and Pacific Mountain Systems. It is the setting for the Grand Canyon, the Great Basin and Death Valley.
Pacific Mountain System - the coastal mountain ranges and features in the west coast of the United States.
At the Declaration of Independence, the United States consisted of 13 states, former colonies of the United Kingdom. In the following years, the number of states has grown steadily due to expansion to the west, conquest and purchase of lands by the American government, and division of existing states to the current number of 50 United States:
United States territory
Territorial evolution of the United States
Incorporated organized territoriesEdit
none since 1959
Incorporated unorganized territoriesEdit
Palmyra Atoll
Unincorporated organized territoriesEdit
Commonwealth of Puerto Rico
Commonwealth of the Northern Mariana Islands
Territory of Guam
Territory of the United States Virgin Islands
Unincorporated unorganized territoriesEdit
Territory of American Samoa, technically unorganized, but self-governing under a constitution last revised in 1967
Baker Island, uninhabited
Howland Island, uninhabited
Jarvis Island, uninhabited
Johnston Atoll, uninhabited
Kingman Reef, uninhabited
Bajo Nuevo Bank, uninhabited (disputed with Colombia)
Serranilla Bank, uninhabited (disputed with Colombia)
Midway Islands, no indigenous inhabitants, currently included in the Midway Atoll National Wildlife Refuge
Navassa Island, uninhabited (claimed by Haiti)
Wake Atoll consisting of Peale, Wake and Wilkes Islands, no indigenous inhabitants, only contractor personnel (claimed by the Marshall Islands)
Geography of the states and territoriesEdit
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Demography of the United States
Demographics of the states and territoriesEdit
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Prehistory of the United States
Pre-Columbian era
Colonial period
1776 to 1789
1789 to 1849
1849 to 1865
1865 to 1918
1918 to 1945
1945 to 1964
1964 to 1980
1980 to 1991
1991 to present
History of the states and territoriesEdit
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George Washington: 1789-1797
John Adams: 1797-1801
Thomas Jefferson: 1801-1809
James Madison: 1809-1817
James Monroe: 1817-1825
John Quincy Adams: 1825-1829
Andrew Jackson: 1829-1837
Martin Van Buren: 1837-1841
William Henry Harrison: 1841
John Tyler: 1841-1845
James K. Polk: 1845-1849
Zachary Taylor: 1849-1850
Millard Fillmore: 1850-1853
Franklin Pierce: 1853-1857
James Buchanan: 1857-1861
Abraham Lincoln: 1861-1865
Andrew Johnson: 1865-1869
Ulysses S. Grant: 1869-1877
Rutherford B. Hayes: 1877-1881
James A. Garfield: 1881
Chester A. Arthur: 1881-1885
Grover Cleveland: 1885-1889
Benjamin Harrison: 1889-1893
Grover Cleveland: 1893-1897
William McKinley: 1897-1901
Theodore Roosevelt: 1901-1909
William H. Taft: 1909-1913
Woodrow Wilson: 1913-1921
Warren Harding: 1921-1923
Calvin Coolidge: 1923-1929
Herbert Hoover: 1929-1933
Franklin D. Roosevelt: 1933-1945
Harry S. Truman: 1945-1953
Dwight D. Eisenhower: 1953-1961
John F. Kennedy: 1961-1963
Lyndon B. Johnson: 1963-1969
Richard M. Nixon: 1969-1974
Gerald Ford: 1974-1977
Jimmy Carter: 1977-1981
Ronald Reagan: 1981-1989
George H. W. Bush: 1989-1993
Bill Clinton: 1993-2001
George W. Bush: 2001-2009
Barack Obama: 2009–2017
Donald Trump: 2017- present
Government and politics in the United StatesEdit
Form of government: presidential, federal republic
Capital (political) of the United States: Washington, D.C.
List of Capitals
Flag of the United States
Political parties in the United States
Elections in the United States
Voting rights in the United States
List of political parties in the United States
Democratic Party
History of the United States Democratic Party
Republican Party
History of the United States Republican Party
Green Party
Independent Party
Libertarian Party
Reform Party
Constitution Party
Socialist Party USA
Political divisions of the United States
Canadian and American politics compared
International Politics of the United States
Politics of the Southern United States
United States Constitution
United States Congress
United States Senate
President pro tempore of the United States Senate
United States House of Representatives
Speaker of the United States House of Representatives
Head of state and head of government: President of the United States, Donald Trump (45th)
Vice President of the United States, Mike Pence (48th)
Federal executive departmentsEdit
All departments are listed by their present-day name and only departments with past or present cabinet-level status are listed. Order of succession applies only to within the cabinet; the vice president has always been first in the line of succession, and the Speaker of the House and the President pro tem of the Senate have at times been included.
Federal Trade Commission
U.S. Securities and Exchange Commission
United States federal courts
United States Supreme Court
Chief Justice of the United States
United States court of appeals
United States district court
State and territory governmentsEdit
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Politics of the states and territoriesEdit
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Foreign policy of the United States
Member state of the Group of Twenty Finance Ministers and Central Bank Governors
Member state of the North Atlantic Treaty Organization
Member state of the Organization of American States
Member state of the United Nations
Member of the World Health Organization
Member of the World Organization of the Scout Movement
World Veterans Federation
United States Army
United States Army Reserve
Army National Guard
United States Marine Corps
United States Marine Corps Reserve
United States Navy
United States Navy Reserve
United States Air Force
Air Force Reserve Command
Air National Guard
United States Coast Guard
United States Coast Guard Reserve
National Guard of the United States
US Military Awards and DecorationsEdit
Awards and decorations of the United States military
Medal of Honor recipients
Central Intelligence Agency
Twenty-Fifth Air Force
United States Army Military Intelligence
Defense Intelligence Agency
Marine Corps Intelligence Activity
National Geospatial-Intelligence Agency
National Reconnaissance Office
National Security Agency
Office of Naval Intelligence
Coast Guard Intelligence
Federal Bureau of Investigation
Drug Enforcement Administration
Bureau of Intelligence and Research
Office of Intelligence and Analysis
Office of Terrorism and Financial Intelligence
Office of Intelligence and Counterintelligence
Law of the United States
Adoption in the United States
Age of candidacy laws in the United States
Arbitration in the United States
Arbitration case law in the United States
Assisted suicide in the United States
Attorneys in the United States
Bankruptcy in the United States
Bicycle law in the United States
Birthright citizenship in the United States
Blasphemy law in the United States
Blue laws in the United States
Campaign finance reform in the United States
Cannabis in the United States
Capital punishment in the United States
Capital punishment debate in the United States
Censure in the United States
Census in the United States
Censorship in the United States
Book censorship in the United States
Censorship of broadcasting in the United States
Child-related laws
Child custody laws in the United States
Child labor laws in the United States
Child pornography laws in the United States
Child sexual abuse laws in the United States
Child support in the United States
Constitution of the United States
United States Bill of Rights
Separation of church and state in the United States
Separation of powers under the United States Constitution
Copyright law in the United States
Public domain in the United States
Crime in the United States
Polygamy in the United States
Race and crime in the United States
Rape in the United States
Scientific plagiarism in the United States
Human rights in the United States
Abortion in the United States
Censorship in the United States
Civil liberties in the United States
Freedom of association in the United States
Freedom of information in the United States
Freedom of movement under United States law
Freedom of religion in the United States
Freedom of speech in the United States
Freedom of the press in the United States
Gambling in the United States
LGBT rights in the United States
Marriage and union in the United States
Civil union in the United States
Same-sex unions in the United States
Domestic partnership in the United States
Marriage in the United States
Common-law marriage in the United States
Divorce in the United States
Same-sex marriage in the United States
Same-sex marriage law in the United States by state
Same-sex marriage legislation in the United States
Same-sex marriage status in the United States by state
Prisoner rights in the United States
Pro se legal representation in the United States
Prostitution in the United States
Right of foreigners to vote in the United States
Right to keep and bear arms
Gun law in the United States
Gun laws in the United States
Gun laws in the United States by state
Right to petition in the United States
Rights and responsibilities of marriages in the United States
Smoking in the United States
Smoking bans in the United States
Law enforcement in the United States
Local ordinance
Rent control in the United States
School anti-bullying legislation in the United States
Secession in the United States
Securities regulation in the United States
Speed limits in the United States
Rail speed limits in the United States*State law
Taxation in the United States
Capital gains tax in the United States
Cigarette taxes in the United States
Internal Revenue Code
Property tax in the United States
Zoning in the United States
Culture of the United States
American humor
American family structure
Languages of the United States
American English
National symbols of the United States
Religion in the United States
Society of the United States
World Heritage Sites in the United States
Supermarket Chains in the United States
Food Companies in the United States
Fast Food Chains in the United States
Vineyards in the United States
Orchards in the United States
Cajun cuisine
Italian-American cuisine
Louisiana Creole cuisine
Midwestern cuisine
Native American cuisine
Southern cuisine
Southwestern cuisine
Tex-Mex cuisine
Cuisine of the Southwestern United States
Cuisine of the Mid-Atlantic United States
Cuisine of the Midwestern United States
Cuisine of the Northeastern United States
Cuisine of the Southern United States
Cuisine of the Western United States
American Literature
American novelists
Museums in the United States
Music of the United States
Theater of the United States
American playwrights
Television in the United States
Visual arts of the United States
Andy Warhol
Cinema of the United States
Academy Award
Golden Globe Award
Highest-grossing films
Film production companies
Best-selling Music Artists
Rock and Roll Hall of Fame
GenresEdit
Alternative rock
Bluegrass music
Blues music
Country music
Folk music
Gospel music
Hardcore punk
Heavy metal
Hip hop
Jazz
Punk rock
R&B music
Rock music
Soul music
Music in the states and territoriesEdit
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Radio in the United States
National Association of Broadcasters
NAB Broadcasting Hall of Fame
Sports in the United States
Football in the United States
Baseball in the United States
Little League Baseball
Soccer in the United States
Stadiums in the United States
Major North American professional sports leagues
Sports by state and territoryEdit
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National Baseball Hall of Fame and Museum
Pro Football Hall of Fame
Hockey Hall of Fame
International Boxing Hall of Fame
International Tennis Hall of Fame
NASCAR Hall of Fame
Naismith Memorial Basketball Hall of Fame
World Golf Hall of Fame
Education in the United States
Lists of schools in the United States
List of Baptist schools in the United States
List of independent Catholic schools in the United States
List of international schools in the United States
List of Lutheran schools in the United States
Education in the states and territoriesEdit
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Economy and infrastructure of the United StatesEdit
Economic rank, by nominal GDP (2010): 1st
Economic rank, by GDP (PPP) (2010): 1st
Currency of the United States: US$
ISO 4217: USD
Banking in the United States
Federal Reserve System
Communications in the United States
Internet in the United States
American Registry for Internet Numbers (ARIN)
Companies of the United States
EDGAR
Form 10-K
Economic history of the United States
National debt by U.S. presidential terms
United States public debt
Energy in the United States
Electricity sector of the United States
Coal power in the United States
Coal mining in the United States
Nuclear power in the United States
Nuclear energy policy of the United States
Renewable energy in the United States
Geothermal energy in the United States
Solar power in the United States
Wind power in the United States
United States Wind Energy Policy
Energy conservation in the United States
Energy policy of the United States
U.S. Lighting Energy Policy
United States energy independence
Nuclear energy policy of the United States
United States Department of Energy
United States energy law
United States Senate Committee on Energy and Natural Resources
United States House Committee on Energy and Commerce
United States Wind Energy Policy
Petroleum in the United States
Offshore oil and gas in the United States
Oil reserves in the United States
Health care in the United States
Industry trade groups in the United States
Tourism in the United States
Shopping malls in the United States
Transportation in the United States
Airports in the United States
Highway system in the United States
Rail transport in the United States
Trade policy of the United States
North American Free Trade Agreement
Organization for Economic Cooperation and Development
World Trade Organization
Wealth in the United States
American Dream
Household income in the United States
Income inequality in the United States
Personal income in the United States
Poverty in the United States
Water supply and sanitation in the United States
Economy by state and territoryEdit
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Walt Disney World
Hollywood
Ski Resorts
