Population: 307,616 (July 1997 est.)

Age structure: 0-14 years: 33% (male 52,239; female 50,025) 15-64 years: 63% (male 101,326; female 90,941) 65 years and over: 4% (male 7,207; female 5,878) (July 1997 est.)

Population growth rate: 2.5% (1997 est.)

Birth rate: 25.2 births/1,000 population (1997 est.)

Death rate: 5.13 deaths/1,000 population (1997 est.)

Net migration rate: 4.89 migrant(s)/1,000 population (1997 est.)

Sex ratio: at birth: 1.06 male(s)/female under 15 years: 1.04 male(s)/female 15-64 years: 1.11 male(s)/female 65 years and over: 1.23 male(s)/female total population: 1.1 male(s)/female (1997 est.)

Infant mortality rate: 23.8 deaths/1,000 live births (1997 est.)

Life expectancy at birth: total population: 71.54 years male: 70 years female: 73.16 years (1997 est.)

Total fertility rate: 3.37 children born/woman (1997 est.)