Age structure:
0-14 years: 44.7% (male 2,143,758/female 2,132,869) 15-64 years: 52.8% (male 2,525,562/female 2,516,879) 65 years and over: 2.5% (male 100,655/female 138,943) (2008 est.)
Median age:
total: 17.5 years male: 17.4 years female: 17.6 years (2008 est.)
Population growth rate:
2.824% (2008 est.)
Birth rate:
44.12 births/1,000 population (2008 est.)
Death rate:
15.89 deaths/1,000 population (2008 est.)