United States of America
|
|
|
|
Flag | Great Seal
|
|
Motto "E Pluribus Unum"
|
|
Anthem "The Star-Spangled Banner"
|
|
|
|
Capital Largest city
| Washington, D.C. New York City
|
|
Official languages | None (de facto English)
|
|
Demonym | American
|
|
Government
- President - Vice President - Speaker of the House - Chief Justice
| Federal presidential constitutional republic Noah Gray (Ind.) Ian Chase (U) James Morton (U-L) Damián Rodríguez
|
|
Independence - Declaration of Independence - Treaty of Paris
| from Great Britain July 4, 1776 September 3, 1783
|
|
Area - Total
- Water (%)
| 9,826,630 km² 3,794,066 sq mi 6.76
|
|
Population - 2008 estimate - 2000 census - Density
| 303,157,000 281,421,906 31 /km² 80 /sq mi
|
|
GDP (PPP) - Total - Per capita
| 2008 estimate $13,455,926,602,000 $44,386
|
|
Gini | 43.8 (high)
|
|
HDI | 0.956 (high)
|
|
Currency | United States dollar ($) (USD )
|
|
Time zone - Summer (DST)
| UTC -5 to -10 UTC -4 to -10
|
|
Internet TLD | .us, .gov, .mil, .edu
|
|
Calling code | +1
|