United States of America | |
---|---|
Motto: Other traditional mottos
| |
Anthem: March: | |
Great Seal: | |
![]() | |
![]() The United States, including its
territories | |
Capital | |
Largest city | |
Official languages | None at federal level [a] |
National language | English |
Ethnic groups (2018)
[7] | By race:
Ethnicity:
|
Demonym(s) | American [b] [8] |
Government | Federal presidential constitutional republic |
Althea Ciccone ( Independent) | |
Jack Donovan ( Independent) | |
Trisha Mitchell ( D) | |
John Roberts | |
Legislature | Congress |
Senate | |
House of Representatives | |
Independence from
Great Britain | |
July 4, 1776 | |
March 1, 1781 | |
September 3, 1783 | |
June 21, 1788 | |
July 21, 1957 ( Belizia) | |
Area | |
• Total area | 3,796,742 sq mi (9,833,520 km2) [c] [9] ( 3rd/4th) |
• Water (%) | 6.97 |
• Total land area | 3,531,905 sq mi (9,147,590 km2) |
Population | |
• 2019 estimate | ![]() |
• 2010 census | 308,745,538 [d] [10] ( 3rd) |
• Density | 87/sq mi (33.6/km2) ( 146th) |
GDP ( PPP) | 2020 estimate |
• Total | ![]() |
• Per capita | ![]() |
GDP (nominal) | 2020 estimate |
• Total | ![]() |
• Per capita | ![]() |
Gini (2017) | ![]() medium ( 56th) |
HDI (2018) | ![]() very high ( 15th) |
Currency | [[]] ($) ( USD) |
Time zone | UTC−4 to −12, +10, +11 |
• Summer (
DST) | UTC−4 to −10 [e] |
Date format |
|
Driving side | right [f] |
Calling code | +1 |
ISO 3166 code | US |
Internet TLD |
Section 304. "The composition by John Philip Sousa entitled 'The Stars and Stripes Forever' is the national march."
reflect base feature updates made in the MAF/TIGER database through August, 2010.
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