15-64 years: 50.6% (male 17,289,453/female 17,483,027)

65 years and over: 2.5% (male 699,667/female 1,021,070) (2010 est.)

Median age:

total: 16.5 years

male: 16.3 years

female: 16.7 years (2010 est.)

Population growth rate:

3.165% (2010 est.) country comparison to the world: 10

Birth rate:

42.26 births/1,000 population (2010 est.) country comparison to the world: 9