Age structure:
0-14 years: 46.9% (male 2,994,022/female 2,882,273)
15-64 years: 50.7% (male 3,262,114/female 3,083,522)
65 years and over: 2.4% (male 150,982/female 152,181) (2006 est.)
Median age:
total: 16.5 years
male: 16.5 years
female: 16.4 years (2006 est.)
Population growth rate:
2.92% (2006 est.)
Birth rate:
50.73 births/1,000 population (2006 est.)
Death rate:
20.91 deaths/1,000 population (2006 est.)
Net migration rate:
-0.61 migrant(s)/1,000 population (2006 est.)
Sex ratio:
at birth: 1.03 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.06 male(s)/female
65 years and over: 0.99 male(s)/female
total population: 1.05 male(s)/female (2006 est.)
Infant mortality rate:
total: 118.25 deaths/1,000 live births
male: 122.29 deaths/1,000 live births
female: 114.1 deaths/1,000 live births (2006 est.)
Life expectancy at birth:
total population: 43.76 years
male: 43.8 years
female: 43.73 years (2006 est.)
Total fertility rate:
7.46 children born/woman (2006 est.)