Age structure:
0-14 years: 41.7% (male 288,760; female 289,975)
15-64 years: 55.4% (male 367,728; female 400,996)
65 years and over: 2.9% (male 17,570; female 23,334) (2004 est.)
Median age:
total: 18.9 years
male: 18.3 years
female: 19.5 years (2004 est.)
Population growth rate:
1.99% (2004 est.)
Birth rate:
38.03 births/1,000 population (2004 est.)
Death rate:
16.57 deaths/1,000 population (2004 est.)
Net migration rate:
-1.57 migrant(s)/1,000 population (2004 est.)
Sex ratio:
at birth: 1.03 male(s)/female
under 15 years: 1 male(s)/female
15-64 years: 0.92 male(s)/female
65 years and over: 0.75 male(s)/female
total population: 0.94 male(s)/female (2004 est.)
Infant mortality rate:
total: 108.72 deaths/1,000 live births
female: 97.74 deaths/1,000 live births (2004 est.)
male: 119.37 deaths/1,000 live births
Life expectancy at birth:
total population: 46.98 years
male: 45.09 years
female: 48.92 years (2004 est.)
Total fertility rate:
5 children born/woman (2004 est.)