Population: 21,386,109 (July 1999 est.)
Age structure:
0-14 years: 26% (male 2,800,748; female 2,666,207)
15-64 years: 68% (male 7,143,969; female 7,447,147)
65 years and over: 6% (male 412,161; female 915,877) (1999 est.)
Population growth rate: 1.45% (1999 est.)
Birth rate: 21.37 births/1,000 population (1999 est.)
Death rate: 6.92 deaths/1,000 population (1999 est.)
Net migration rate: 0 migrant(s)/1,000 population (1999 est.)
Sex ratio:
at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 0.96 male(s)/female
65 years and over: 0.45 male(s)/female
total population: 0.94 male(s)/female (1999 est.)
Infant mortality rate: 25.52 deaths/1,000 live births (1999 est.)
Life expectancy at birth: total population: 70.07 years male: 67.41 years female: 72.86 years (1999 est.)
Total fertility rate: 2.3 children born/woman (1999 est.)