Age structure:
0-14 years: 46.5% (male 1,752,243/female 1,719,458)
15-64 years: 51.2% (male 1,868,630/female 1,948,610)
65 years and over: 2.3% (male 70,367/female 100,717) (2005 est.)
Median age:
total: 16.56 years
male: 16.12 years
female: 17.01 years (2005 est.)
Population growth rate:
2.82% (2005 est.)
Birth rate:
41.99 births/1,000 population (2005 est.)
Death rate:
13.76 deaths/1,000 population (2005 est.)
Net migration rate:
0 migrant(s)/1,000 population (2005 est.)
Sex ratio:
at birth: 1.03 male(s)/female
under 15 years: 1.02 male(s)/female
15-64 years: 0.96 male(s)/female
65 years and over: 0.7 male(s)/female
total population: 0.98 male(s)/female (2005 est.)
Infant mortality rate:
total: 85 deaths/1,000 live births
male: 90 deaths/1,000 live births
female: 79.86 deaths/1,000 live births (2005 est.)
Life expectancy at birth:
total population: 52.66 years
male: 51.53 years
female: 53.82 years (2005 est.)
Total fertility rate:
5.86 children born/woman (2005 est.)