0-14 years: 37.2% (male 33,739,547/female 31,868,065)
15-64 years: 58.6% (male 52,849,607/female 50,378,198)
65 years and over: 4.2% (male 3,475,927/female 3,931,605) (2009 est.)
Median age:
total: 20.8 years
male: 20.6 years
female: 21 years (2009 est.)
Population growth rate:
1.947% (2009 est.) country comparison to the world: 63
Birth rate: