Age structure:
0-14 years: 46.3% (male 2,673,891/female 2,656,268)
15-64 years: 51.3% (male 2,925,910/female 2,969,324)
65 years and over: 2.4% (male 117,877/female 158,740) (2006 est.)
Median age:
total: 16.5 years
male: 16.3 years
female: 16.7 years (2006 est.)
Population growth rate:
2.11% (2006 est.)
Birth rate:
41 births/1,000 population (2006 est.)
Death rate:
19.93 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: 1.01 male(s)/female
15-64 years: 0.99 male(s)/female
65 years and over: 0.74 male(s)/female
total population: 0.99 male(s)/female (2006 est.)
Infant mortality rate:
total: 86.84 deaths/1,000 live births
male: 94.08 deaths/1,000 live births
female: 79.37 deaths/1,000 live births (2006 est.)
Life expectancy at birth:
total population: 40.03 years
male: 39.76 years
female: 40.31 years (2006 est.)
Total fertility rate:
5.39 children born/woman (2006 est.)