15-64 years: 52.6% (male 2,588,356/female 2,579,737)
65 years and over: 2.5% (male 101,764/female 142,326) (2009 est.)
Median age:
total: 17.5 years
male: 17.4 years
female: 17.6 years (2009 est.)
Population growth rate:
2.815% (2009 est.) country comparison to the world: 16
Birth rate:
43.7 births/1,000 population (2009 est.) country comparison to the world: 7