Several terms redirect here. For other uses, see America (disambiguation), US (disambiguation), USA (disambiguation), The United States of America (disambiguation) and United States (disambiguation).
United States of America

Flag

Coat of arms
Motto:
"In God We Trust"[1]
Other traditional mottos:[2]
Anthem: "The Star-Spangled Banner"[3]
1:19
Orthographic map of the U.S. in North America
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Capital Washington, D.C.
38°53′N 77°01′W
Largest city New York City
40°43′N 74°00′W
Official languages None at the federal level[a]
National language English (de facto)
Ethnic groups (2020)[6][7][8]
By race:
61.6% White
12.4% Black
6% Asian
1.1% Native American
0.2% Pacific Islander
10.2% Multiracial
8.4% Others
By Hispanic or Latino origin:
81.3% Non-Hispanic or Latino
18.7% Hispanic or Latino
Religion (2021)[9]
63% Christianity
—40% Protestantism
—21% Catholicism
—2% Other Christian
29% No religion
6% Others
2% Unknown
Demonym(s) American[b][10]
Government Federal presidential constitutional republic
• President
Joe Biden
• Vice President
Kamala Harris
• House Speaker
Nancy Pelosi
• Chief Justice
John Roberts
Legislature Congress
• Upper house
Senate
• Lower house
House of Representatives
Independence from Great Britain
• Declaration
July 4, 1776
• Confederation
March 1, 1781
• Treaty of Paris
September 3, 1783
• Constitution
June 21, 1788
• Last state admitted
August 21, 1959
Area
• Total area
3,796,742 sq mi (9,833,520 km2)[11] (3rd[c])
• Water (%)
4.66[12]
• Land area
3,531,905 sq mi (9,147,590 km2) (3rd)
Population
• 2021 estimate
Neutral increase 331,893,745[d][13]
• 2020 census
331,449,281[e][14] (3rd)
• Density
87/sq mi (33.6/km2) (185th)
GDP (PPP) 2022 estimate
• Total
Increase $25.35 trillion[15] (2nd)
• Per capita
Increase $76,027[15] (9th)
GDP (nominal) 2022 estimate
• Total
Increase $25.35 trillion[15] (1st)
• Per capita
Increase $76,027[15] (8th)
Gini (2020) Negative increase 46.9[16]
high
HDI (2019) Increase 0.926[17]
very high · 17th
Currency U.S. dollar ($) (USD)
Time zone UTC−4 to −12, +10, +11
• Summer (DST)
UTC−4 to −10[f]
Date format mm/dd/yyyy[g]
Driving side right[h]
Calling code +1
ISO 3166 code US
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a transcontinental country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territories, nine minor outlying islands,[i] and 326 Indian reservations with limited sovereignty. It is the third-largest country by both land and total area.[c] The United States shares land borders with Canada to the north and with Mexico to the south as well as maritime borders with the Bahamas, Cuba, and Russia, among others.[j] It has a population of over 331 million,[d] and is the third most populous country in the world. The national capital is Washington, D.C., and the most populous city and financial center is New York City. The United States is a melting pot of cultures and ethnicities, and its population has been profoundly shaped by centuries of immigration. It has a highly diverse climate and geography and is officially recognized as one of the 17 ecologically megadiverse countries.