Population: 11,266,393 (July 1998 est.)
Age structure: 0-14 years: 48% (male 2,721,564; female 2,687,770) 15-64 years: 49% (male 2,616,375; female 2,899,923) 65 years and over: 3% (male 146,195; female 194,566) (July 1998 est.)
Population growth rate: 2.72% (1998 est.)
Birth rate: 46.24 births/1,000 population (1998 est.)
Death rate: 17.65 deaths/1,000 population (1998 est.)
Net migration rate: -1.41 migrant(s)/1,000 population (1998 est.)
Sex ratio: at birth: 1.03 male(s)/female under 15 years: 1.01 male(s)/female 15-64 years: 0.9 male(s)/female 65 years and over: 0.75 male(s)/female (1998 est.)
Infant mortality rate: 109.15 deaths/1,000 live births (1998 est.)
Life expectancy at birth: total population: 46.1 years male: 45.38 years female: 46.85 years (1998 est.)
Total fertility rate: 6.64 children born/woman (1998 est.)