United States of America |
|---|
|
| Motto: |
| Anthem: |
Great Seal:[2]
|
|
| Capital | Washington, D.C.
38°53′N77°01′W / 38.883°N 77.017°W / 38.883; -77.017 |
|---|
| Largest city | New York City
40°43′N74°00′W / 40.717°N 74.000°W / 40.717; -74.000 |
|---|
| Official languages | None at the federal level[a] |
|---|
| National language | English
|
|---|
| Ethnic groups | |
|---|
| Religion | |
|---|
| Demonym(s) | American[c][10] |
|---|
| Government | Federalpresidentialconstitutional republic |
|---|
|
| Joe Biden (D) |
|---|
| Kamala Harris (D) |
|---|
| Nancy Pelosi (D) |
|---|
| John Roberts |
|---|
|
| Legislature | Congress |
|---|
| Senate |
|---|
| House of Representatives |
|---|
|
|
| July 4, 1776 |
|---|
| March 1, 1781 |
|---|
| September 3, 1783 |
|---|
| June 21, 1788 |
|---|
| September 25, 1789 |
|---|
| August 21, 1959 |
|---|
| May 5, 1992 |
|---|
|
|
• Total area | 3,796,742 sq mi (9,833,520 km2)[d][11] (3rd/4th) |
|---|
• Water (%) | 4.66 (as of 2015)[12] |
|---|
• Total land area | 3,531,905 sq mi (9,147,590 km2) |
|---|
|
• 2020 census |  331,449,281[e][13] (3rd) |
|---|
• Density | 87/sq mi (33.6/km2) (146th) |
|---|
| GDP (PPP) | 2021 estimate |
|---|
• Total |  $22.675 trillion[14] (2nd) |
|---|
• Per capita | $68,309[14] (7th) |
|---|
| GDP (nominal) | 2021 estimate |
|---|
• Total | $22.675 trillion[14] (1st) |
|---|
• Per capita | $68,309[14] (5th) |
|---|
| Gini (2020) |  48.5[15]
high |
|---|
| HDI (2019) | 0.926[16]
very high · 17th |
|---|
| Currency | United States dollar ($) (USD) |
|---|
| Time zone | UTC−4 to −12, +10, +11 |
|---|
| UTC−4 to −10[f] |
|---|
| Date format | |
|---|
| Mains electricity | 110–120 V, 60 Hz[17] |
|---|
| Driving side | right[g] |
|---|
| Calling code | +1 |
|---|
| ISO 3166 code | US |
|---|
| Internet TLD | - Generic top-level domain
- .com, .org, .net, .edu, .gov, .mil[18]
- Country code top-level domain
- [h].us, .pr, .as, .gu, .mp, .vi, .um[i]
|
|---|
.svg)
.svg)
331,449,281
48.5