Population: 545,528 (July 1998 est.)
Age structure: 0-14 years: 43% (male 116,345; female 115,886) 15-64 years: 54% (male 146,655; female 150,612) 65 years and over: 3% (male 7,644; female 8,386) (July 1998 est.)
Population growth rate: 3.1% (1998 est.)
Birth rate: 40.52 births/1,000 population (1998 est.)
Death rate: 9.52 deaths/1,000 population (1998 est.)
Net migration rate: 0 migrant(s)/1,000 population (1998 est.)
Sex ratio: at birth: 1.03 male(s)/female under 15 years: 1 male(s)/female 15-64 years: 0.97 male(s)/female 65 years and over: 0.91 male(s)/female (1998 est.)
Infant mortality rate: 84.54 deaths/1,000 live births (1998 est.)
Life expectancy at birth: total population: 60.36 years male: 57.95 years female: 62.84 years (1998 est.)
Total fertility rate: 5.48 children born/woman (1998 est.)