Age structure:
0-14 years: 36.7% (male 33,037,943/female 31,092,572)
15-64 years: 59.1% (male 53,658,173/female 49,500,786)
65 years and over: 4.2% (male 3,495,350/female 3,793,734) (2010 est.)
Median age:
total: 21.2 years
male: 21.2 years
female: 21.2 years (2010 est.)
Population growth rate:
1.589% (2010 est.) country comparison to the world: 77