Population:
12,531,357 (July 2008 est.)
Age structure:
0-14 years: 43.6% (male 2,760,264/female 2,707,665) 15-64 years: 53.6% (male 3,416,914/female 3,302,552) 65 years and over: 2.7% (male 151,609/female 192,353) (2008 est.)
Median age:
total: 18 years male: 18 years female: 18 years (2008 est.)
Population growth rate:
2.136% (2008 est.)
Birth rate:
44.09 births/1,000 population (2008 est.)