USA Ecological footprint
The US remains the world's most powerful nation state and the world's largest consumer economy.
Geography : North America, bordering both the North Atlantic Ocean and the North Pacific Ocean, between Canada and Mexico.
Geographic coordinates: 38 00 N, 97 00 W
total area: 9, 826, 675 sq km
People : Population: 307, 212, 123 (July 2010 est.)
Population growth rate: 0.977% (2010 est.)
Government : conventional long form: United States of America
conventional short form: United States
abbreviation: US or USA
Constitution-based federal republic; strong democratic tradition
Economy : The US has the largest and most technologically powerful economy in the world, with a per capita GDP of $46, 400.
GDP : $14.14 trillion (2009 est.)
Communication : Telephones: 150 million (2008)
Internet country code: .us
Internet hosts: 439 million (2010)
Transport : Airports: 15, 079 (2010)
Railways: total: 226, 427 km
Ports and terminals: Baton Rougue, Corpus Christi, Houston, Long Beach, Los Angeles, New Orleans, New York, Plaquemines, Tampa, Texas City