Age structure:
0-14 years: 43.7% (male 8,204,593/female 8,176,489)
15-64 years: 53.6% (male 9,906,446/female 10,178,066)
65 years and over: 2.6% (male 422,674/female 557,124) (2006 est.)
Median age:
total: 17.7 years
male: 17.5 years
female: 18 years (2006 est.)
Population growth rate:
1.83% (2006 est.)
Birth rate:
37.71 births/1,000 population (2006 est.)
Death rate:
16.39 deaths/1,000 population (2006 est.)
Net migration rate:
-3.05 migrant(s)/1,000 population (2006 est.)
Sex ratio:
at birth: 1.03 male(s)/female
under 15 years: 1 male(s)/female
15-64 years: 0.97 male(s)/female
65 years and over: 0.76 male(s)/female
total population: 0.98 male(s)/female (2006 est.)
Infant mortality rate:
total: 96.48 deaths/1,000 live births
male: 105.64 deaths/1,000 live births
female: 87.05 deaths/1,000 live births (2006 est.)
Life expectancy at birth:
total population: 45.64 years
male: 44.93 years
female: 46.37 years (2006 est.)
Total fertility rate:
4.97 children born/woman (2006 est.)