The following demographic statistics are from the CIA World Factbook, unless otherwise indicated.

Population: 17,654,843 (Population growth rate:2.03%) Note: estimates for this country explicitly take into account the effects of excess mortality due to AIDS; this can result in lower life expectancy, higher infant mortality and death rates, lower population and growth rates, and changes in the distribution of population by age and sex than would otherwise be expected (July 2006 est.)

Age Structure
0-14 years: 40.6% (male 3,603,386/female 3,711,211)
15-64 years: 56.6% (male 5,128,824/female 5,060,027)
65 years and over: 2.8% (male 246,130/female 263,831) (2007 est.)

Median age
Total: 19.2 years Male: 19.4 years
Female: 18.9 years (2006 est.)

Sex ratio
At birth: 1.03 male(s)/female
Under 15 years: 0.97 male(s)/female
15-64 years: 1.02 male(s)/female
65 years and over: 0.95 male(s)/female

Life expectancy at birth
Total population: 48.82 years
Male: 46.24 years
Female: 51.48 years (2006 est.)
Total fertility rate
4.58 children born/woman (2005 est.)

HIV/AIDS
Adult prevalence rate: 7.2% (2005 est.)
People living with HIV/AIDS: 750,000 (2005 est.)
Deaths: 65,000 (2005 est.)