The 2009 CIA World Factbook - United States. Central Intelligence Agency

female: 22.8 years (2009 est.)

Population growth rate:

1.765% (2009 est.) country comparison to the world: 75

Birth rate:

25.73 births/1,000 population (2009 est.) country comparison to the world: 67

Death rate:

8.08 deaths/1,000 population (July 2009 est.) country comparison to the world: 109

Net migration rate:

Urbanization: