Age structure:
0-14 years: 42.2% (male 286,819; female 285,184)
15-64 years: 53.7% (male 362,311; female 365,132)
65 years and over: 4.1% (male 23,157; female 32,643) (2004 est.)

Median age:
total: 18.5 years
male: 18.3 years
female: 18.8 years (2004 est.)

Population growth rate:
2.5% (2004 est.)

Birth rate:
36.4 births/1,000 population (2004 est.)

Death rate:
11.43 deaths/1,000 population (2004 est.)

Net migration rate:
0 migrant(s)/1,000 population (2004 est.)

Sex ratio:
at birth: 1.03 male(s)/female
under 15 years: 1.01 male(s)/female
15-64 years: 0.99 male(s)/female
65 years and over: 0.71 male(s)/female
total population: 0.98 male(s)/female (2004 est.)

Infant mortality rate:
total: 54.34 deaths/1,000 live births
female: 44.23 deaths/1,000 live births (2004 est.)
male: 64.15 deaths/1,000 live births

Life expectancy at birth:
total population: 56.46 years
male: 54.85 years
female: 58.12 years (2004 est.)

Total fertility rate:
4.8 children born/woman (2004 est.)