Age structure:
0-14 years: 37.2% (male 4,494,633/female 4,394,074)
15-64 years: 59.2% (male 7,065,273/female 7,086,023)
65 years and over: 3.5% (male 389,886/female 457,923) (2010 est.)
Median age:
total: 21.1 years
male: 20.8 years
female: 21.3 years (2010 est.)
Population growth rate:
1.855% (2010 est.) country comparison to the world: 64