15-64 years: 54.1% (male 10,956,133/female 11,255,868)
65 years and over: 2.9% (male 513,959/female 663,233) (2009 est.)
Median age:
total: 18 years
male: 17.8 years
female: 18.3 years (2009 est.)
Population growth rate:
2.04% (2009 est.) country comparison to the world: 56
Birth rate:
34.29 births/1,000 population (2009 est.) country comparison to the world: 38