Age structure:
0-14 years: 40.7% (male 233,169/female 229,103)
15-64 years: 55.8% (male 303,260/female 330,460)
65 years and over: 3.6% (male 16,071/female 24,271) (2006 est.)
Median age:
total: 18.5 years
male: 17.8 years
female: 19.2 years (2006 est.)
Population growth rate:
-0.23% (2006 est.)
Birth rate:
27.41 births/1,000 population (2006 est.)
Death rate:
29.74 deaths/1,000 population (2006 est.)
Net migration rate:
0 migrant(s)/1,000 population (2006 est.)
Sex ratio:
at birth: 1.03 male(s)/female
under 15 years: 1.02 male(s)/female
15-64 years: 0.92 male(s)/female
65 years and over: 0.66 male(s)/female
total population: 0.95 male(s)/female (2006 est.)
Infant mortality rate:
total: 71.85 deaths/1,000 live births
male: 75.25 deaths/1,000 live births
female: 68.34 deaths/1,000 live births (2006 est.)
Life expectancy at birth:
total population: 32.62 years
male: 32.1 years
female: 33.17 years (2006 est.)
Total fertility rate:
3.53 children born/woman (2006 est.)