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United States

Facts & Figures

President: Barack H. Obama (2009)

Vice President: Joseph Biden (2009)

Land area: 3,539,225 sq mi (9,166,601 sq km); total area: 3,718,691 sq mi (9,631,420 sq km)

Population (2014 est.): 318,892,103 (growth rate: 0.77%); birth rate: 13.42/1000; infant mortality rate: 6.17/1000; life expectancy: 79.56; density per sq mi: 88.6

Capital (2013 est.): Washington, DC, 646,449

Largest cities (2013 est.): New York, 8,405,837; Los Angeles, 3,884,307; Chicago, 2,718,782; Houston, 2,195,914; Philadelphia, 1,553,165

Monetary unit: dollar

More Facts & Figures

Flag of United States

The United States of America

Government

Federal republic.

The president is elected for a four-year term and may be reelected only once. The bicameral Congress consists of the 100-member Senate, elected to a six-year term with one-third of the seats becoming vacant every two years, and the 435-member House of Representatives, elected every two years. The minimum voting age is 18.

See also United States territories.
See also Encyclopedia: United States .

See also:
U.S. Geography
Current Events
Profile of the United States
U.S. States
U.S. Cities
U.S. Statistics
U.S. Government and History
U.S. History Timeline
Society & Culture
Crime
Education
Health Statistics
Gender Issues
Race & Ethnicity
Military Affairs
Business and Finance


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