Population:
23,013,376 (July 2008 est.)
Age structure:
0-14 years: 46.2% (male 5,415,385/female 5,218,237) 15-64 years: 51.2% (male 5,996,202/female 5,795,779) 65 years and over: 2.6% (male 284,195/female 303,578) (2008 est.)
Median age:
total: 16.7 years male: 16.7 years female: 16.8 years (2008 est.)
Population growth rate:
3.46% (2008 est.)
Birth rate:
42.42 births/1,000 population (2008 est.)