Basic facts about United States
| Country name: | United States |
| Capital: | Washington, D.C. |
| Country code: | 421 |
| Continent: | North America |
| Currency name: | United States dollar |
| Independence: | 1776-07-04 00:00:00 |
| Independent from: | 4 July 1776 declared; 3 September 1783 recognized by Great Britain |
| Total area (km2): | 9,826,675 |
| Land area (km2): | 9,161,966 |
| Water area (km2): | 664,709 |
| Population: | 316,668,567 |
| Population note: | 316,668,567 (July 2013 est.) |
| Official language: | English (de facto) |
| All languages: | English 82.1%, Spanish 10.7%, other Indo-European 3.8%, Asian and Pacific island 2.7%, other 0.7% (2000 census) note: the US has no official national language, but English has acquired official status in 28 of the 50 states; Hawaiian is an official langu |
| Time zone: | (UTC−5 to −10) - Summer (DST) (UTC−4 to −10) |
| Date format: | |
| Drive on: | right |
| Calling code: | +1 |
| Domain: | .us .gov .mil .edu |