Population: 547,761 (July 1996 est.)

Age structure:
0-14 years: 30% (male 82,147; female 83,552)
15-64 years: 68% (male 263,107; female 109,177)
65 years and over: 2% (male 6,609; female 3,169) (July 1996 est.)

Population growth rate: 2.39% (1996 est.)

Birth rate: 21.03 births/1,000 population (1996 est.)

Death rate: 3.6 deaths/1,000 population (1996 est.)

Net migration rate: 6.43 migrant(s)/1,000 population (1996 est.)

Sex ratio:
at birth: 0.96 male(s)/female
under 15 years: 0.98 male(s)/female
15-64 years: 2.41 male(s)/female
65 years and over: 2.09 male(s)/female
all ages: 1.8 male(s)/female (1996 est.)

Infant mortality rate: 19.6 deaths/1,000 live births (1996 est.)

Life expectancy at birth: total population: 73.35 years male: 70.75 years female: 75.84 years (1996 est.)

Total fertility rate: 4.28 children born/woman (1996 est.)