United States of America | |
|---|---|
| Motto: Other traditional mottos:[2]
| |
| Anthem: "The Star-Spangled Banner"[3] | |
  | |
| Capital | Washington, D.C. 38°53′N 77°01′W / 38.883°N 77.017°W |
| Largest city | New York City 40°43′N 74°00′W / 40.717°N 74.000°W |
| Official languages | None at the federal level[a] |
| National language | English (de facto) |
| Ethnic groups | By race:[b]
By Hispanic or Latino origin:
|
| Religion (2021)[9] |
|
| Demonym(s) | American[c][10] |
| Government | Federal presidential constitutional republic |
| Joe Biden | |
| Kamala Harris | |
| Nancy Pelosi | |
| John Roberts | |
| Legislature | Congress |
| Senate | |
| House of Representatives | |
| Independence from Great Britain | |
| July 4, 1776 | |
| March 1, 1781 | |
| September 3, 1783 | |
| June 21, 1788 | |
| August 21, 1959 | |
| Area | |
• Total area | 3,796,742 sq mi (9,833,520 km2)[12] (3rd[d]) |
• Water (%) | 4.66[11] |
• Land area | 3,531,905 sq mi (9,147,590 km2) (3th) |
| Population | |
• 2021 estimate |  331,893,745[e][13] |
• 2020 census | 331,449,281[f][14] (3rd) |
• Density | 87/sq mi (33.6/km2) (185th) |
| GDP (PPP) | 2022 estimate |
• Total |  $25.03 trillion[15] (2nd) |
• Per capita | $75,179[15] (8th) |
| GDP (nominal) | 2022 estimate |
• Total | $25.03 trillion[15] (1st) |
• Per capita | $75,179[15] (8th) |
| Gini (2020) |  46.9[16]high inequality |
| HDI (2021) | 0.921[17] very high (21st) |
| Currency | U.S. dollar ($) (USD) |
| Time zone | UTC−4 to −12, +10, +11 |
• Summer (DST) | UTC−4 to −10[g] |
| Date format | mm/dd/yyyy[h] |
| Drives on | right[i] |
| Calling code | +1 |
| ISO 3166 code | US |
- ^ 36 U.S.C. § 302
- ^ "The Great Seal of the United States" (PDF). U.S. Department of State, Bureau of Public Affairs. 2003. Retrieved February 12, 2020.
- ^ An Act To make The Star-Spangled Banner the national anthem of the United States of America (H.R. 14). 71st United States Congress. March 3, 1931.
- ^ Cobarrubias 1983, p. 195.
- ^ García 2011, p. 167.
- ^ "2020 Census Illuminates Racial and Ethnic Composition of the Country". United States Census. Retrieved August 13, 2021.
- ^ "Race and Ethnicity in the United States: 2010 Census and 2020 Census". United States Census. Retrieved August 13, 2021.
- ^ "A Breakdown of 2020 Census Demographic Data". NPR. August 13, 2021.
- ^ "About Three-in-Ten U.S. Adults Are Now Religiously Unaffiliated". Measuring Religion in Pew Research Center's American Trends Panel. Pew Research Center. December 14, 2021. Retrieved December 21, 2021.
- ^ Compton's Pictured Encyclopedia and Fact-index: Ohio. 1963. p. 336.
- ^ "Surface water and surface water change". Organisation for Economic Co-operation and Development (OECD). 2015. Retrieved October 11, 2020.
- ^ Areas of the 50 states and the District of Columbia but not Puerto Rico nor other island territories per "State Area Measurements and Internal Point Coordinates". Census.gov. August 2010. Retrieved March 31, 2020.
reflect base feature updates made in the MAF/TIGER database through August, 2010.
- ^ "New Vintage 2021 Population Estimates Available for the Nation, States and Puerto Rico". Census.gov. U.S. Census Bureau.
- ^ "Census Bureau's 2020 Population Count". United States Census. Retrieved April 26, 2021. The 2020 census is as of April 1, 2020.
- ^ a b c d "World Economic Outlook Database, October 2022". IMF.org. International Monetary Fund. October 2022. Retrieved October 11, 2022.
- ^ Bureau, US Census. "Income and Poverty in the United States: 2020, Table A-3". Census.gov. Retrieved July 26, 2022.
{{cite web}}:|last=has generic name (help) - ^ "Human Development Report 2021/2022" (PDF). United Nations Development Programme. September 8, 2022. Retrieved September 8, 2022.
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