Age structure:
0-14 years: 26.4% (male 6,335,236/female 6,181,216)
15-64 years: 68.5% (male 16,011,723/female 16,449,626)
65 years and over: 5.1% (male 1,035,853/female 1,368,979) (2006 est.)
Median age:
total: 27 years
male: 26.4 years
female: 27.6 years (2006 est.)
Population growth rate:
0.81% (2006 est.)
Birth rate:
17.91 births/1,000 population (2006 est.)
Death rate:
9.83 deaths/1,000 population (2006 est.)
Net migration rate:
0 migrant(s)/1,000 population (2006 est.)
Sex ratio:
at birth: 1.06 male(s)/female
under 15 years: 1.02 male(s)/female
15-64 years: 0.97 male(s)/female
65 years and over: 0.76 male(s)/female
total population: 0.97 male(s)/female (2006 est.)
Infant mortality rate:
total: 61.85 deaths/1,000 live births
male: 72.68 deaths/1,000 live births
female: 50.38 deaths/1,000 live births (2006 est.)
Life expectancy at birth:
total population: 60.97 years
male: 58.07 years
female: 64.03 years (2006 est.)
Total fertility rate:
1.98 children born/woman (2006 est.)