Population:
40.482 million (July 2008 est.)
Age structure:
0-14 years: 25.8% (male 5,341,642/female 5,095,325) 15-64 years: 63.5% (male 12,807,458/female 12,884,745) 65 years and over: 10.8% (male 1,784,652/female 2,568,176) (2008 est.)
Median age:
total: 29.7 years male: 28.8 years female: 30.8 years (2008 est.)
Population growth rate:
1.068% (2008 est.)
Birth rate:
18.11 births/1,000 population (2008 est.)