Age structure:
0-14 years: 36.9% (male 1,137,796/female 1,099,365)
15-64 years: 59% (male 1,836,272/female 1,735,298)
65 years and over: 4.1% (male 114,789/female 133,743) (2009 est.)
Median age:
total: 21.7 years
male: 21.8 years
female: 21.6 years (2009 est.)
Population growth rate:
2.069% (2009 est.) country comparison to the world: 54