Age structure:
0-14 years: 37.9% (male 1,396,349/female 1,375,168)
15-64 years: 57.4% (male 2,091,476/female 2,108,889)
65 years and over: 4.8% (male 154,162/female 194,771) (2006 est.)
Median age:
total: 20 years
male: 19.7 years
female: 20.4 years (2006 est.)
Population growth rate:
2.19% (2006 est.)
Birth rate:
32.65 births/1,000 population (2006 est.)
Death rate:
8.25 deaths/1,000 population (2006 est.)
Net migration rate:
-2.48 migrant(s)/1,000 population (2006 est.)
Sex ratio:
at birth: 1.05 male(s)/female
under 15 years: 1.02 male(s)/female
15-64 years: 0.99 male(s)/female
65 years and over: 0.79 male(s)/female
total population: 0.99 male(s)/female (2006 est.)
Infant mortality rate:
total: 106.49 deaths/1,000 live births
male: 117.83 deaths/1,000 live births
female: 94.59 deaths/1,000 live births (2006 est.)
Life expectancy at birth:
total population: 64.94 years
male: 62.03 years
female: 68 years (2006 est.)
Total fertility rate:
4 children born/woman (2006 est.)