Age structure:
0-14 years: 37% (male 3,592,915/female 3,384,722)
15-64 years: 59.7% (male 5,779,257/female 5,500,887)
65 years and over: 3.3% (male 296,070/female 327,510) (2006 est.)
Median age:
total: 20.7 years
male: 20.6 years
female: 20.9 years (2006 est.)
Population growth rate:
2.3% (2006 est.)
Birth rate:
27.76 births/1,000 population (2006 est.)
Death rate:
4.81 deaths/1,000 population (2006 est.)
Net migration rate:
0 migrant(s)/1,000 population (2006 est.)
Sex ratio:
at birth: 1.06 male(s)/female
under 15 years: 1.06 male(s)/female
15-64 years: 1.05 male(s)/female
65 years and over: 0.9 male(s)/female
total population: 1.05 male(s)/female (2006 est.)
Infant mortality rate:
total: 28.61 deaths/1,000 live births
male: 28.85 deaths/1,000 live births
female: 28.36 deaths/1,000 live births (2006 est.)
Life expectancy at birth:
total population: 70.32 years
male: 69.01 years
female: 71.7 years (2006 est.)
Total fertility rate:
3.4 children born/woman (2006 est.)