United States of America :
*Motto: *In God We Trust (official)
*E Pluribus Unum*
(Out of Many, One; Latin, traditional) :
*Anthem: *"The Star-Spangled Banner" :
*Capital* :
Washington, D.C.
38°53′N 77°01′W / 38.883, -77.017
Largest city :
New York City
Official languages :
None at federal level1
National language :
English (*de facto*)2
Government :
Federal constitutional republic
Government President :
George W. Bush (R)
Government Vice President :
Dick Cheney (R)
Government Speaker of the House :
Nancy Pelosi (D)
Government Chief Justice :
John Roberts
Independence from the Kingdom of Great Britain :
Independence from the Kingdom of Great Britain Declared :
-45106
Independence from the Kingdom of Great Britain Recognized :
-42489
Independence from the Kingdom of Great Britain Current constitution :
-40736
Area Total :
9,826,630 km² [1](3rd/4th3)
3,794,066 sq mi
Population 2008 estimate :
305,532,000[2] (3rd4)
Population 2000 census :
281,421,906[3]
Population Density :
31/km² (180th)
80/sq mi
*GDP* (PPP) :
2008 estimate
*GDP* (PPP) Total :
$14.334 trillion[4] (1st)
*GDP* (PPP) Per capita :
$47,025 (6th)
*GDP* (nominal) :
2008 estimate
*GDP* (nominal) Total :
$14.334 trillion[4] (1st)
*GDP* (nominal) Per capita :
$47,025 (17th)
*HDI* (2005) :
0.951 (high[6]) (12th)
Currency :
United States dollar ($) (USD "$")
Time zone :
(UTC-5 to -10)
Time zone Summer (DST) :
(UTC-4 to -10)
Internet TLD :
.us .gov .mil .edu
1 :
English is the official language of at least 28 states—some sources give a
higher figure, based on differing definitions of "official." English and
Hawaiian are both official languages in the state of Hawaii.
2 :
English is the *de facto* language of American government and the sole
language spoken at home by 82% of Americans age five and older. Spanish is
the second most commonly spoken language.
3 :
Whether the United States or the People's Republic of China is larger is
disputed. The figure given is per the U.S. Central Intelligence Agency's *World
Factbook*. Other sources give smaller figures. All authoritative
calculations of the country's
4 :
The population estimate includes people whose usual residence is in the
fifty states and the District of Columbia, including noncitizens. It does
not include either those living in the territories, amounting to more than
four million U.S. citizens
