Age structure:
0-14 years: 34.1% (male 4,583,228; female 4,418,003)
15-64 years: 61.1% (male 7,990,233; female 8,157,136)
65 years and over: 4.8% (male 513,434; female 748,382) (2004 est.)
Median age:
total: 22.1 years
male: 21.4 years
female: 22.7 years (2004 est.)
Population growth rate:
1.65% (2004 est.)
Birth rate:
26.12 births/1,000 population (2004 est.)
Death rate:
7.95 deaths/1,000 population (2004 est.)
Net migration rate:
-1.72 migrant(s)/1,000 population (2004 est.)
Sex ratio:
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 0.98 male(s)/female
65 years and over: 0.69 male(s)/female
total population: 0.98 male(s)/female (2004 est.)
Infant mortality rate:
total: 71.3 deaths/1,000 live births
female: 67.39 deaths/1,000 live births (2004 est.)
male: 75.03 deaths/1,000 live births
Life expectancy at birth:
total population: 64.09 years
male: 60.67 years
female: 67.69 years (2004 est.)
Total fertility rate:
2.97 children born/woman (2004 est.)