15-64 years: 63.8% (male 4,498,568/female 4,743,677)
65 years and over: 3.6% (male 197,649/female 329,038) (2010 est.)
Median age:
total: 22.6 years
male: 21.8 years
female: 23.3 years (2010 est.)
Population growth rate:
1.705% (2010 est.) country comparison to the world: 73
Birth rate:
25.58 births/1,000 population (2010 est.) country comparison to the world: 60