Population:

313,232,044 (July 2011 est.)

country comparison to the world: 3

Age structure:

0-14 years: 20.1% (male 32,107,900/female 30,781,823)

15-64 years: 66.8% (male 104,411,352/female 104,808,064)

65 years and over: 13.1% (male 17,745,363/female 23,377,542) (2011 est.)

Median age:

total: 36.9 years

male: 35.6 years

female: 38.2 years (2011 est.)

Population growth rate:

0.963% (2011 est.)

country comparison to the world: 119

Birth rate:

13.83 births/1,000 population (2011 est.)

country comparison to the world: 149

Death rate:

8.38 deaths/1,000 population (July 2011 est.)

country comparison to the world: 89

Net migration rate:

4.18 migrant(s)/1,000 population (2011 est.)

country comparison to the world: 23

Urbanization:

urban population: 82% of total population (2010)

rate of urbanization: 1.2% annual rate of change (2010-15 est.)

Major cities - population:

New York-Newark 19.3 million; Los Angeles-Long Beach-Santa Ana 12.675 million; Chicago 9.134 million; Miami 5.699 million; WASHINGTON, D.C. (capital) 4.421 million (2009)