Population: 156,946 (July 1997 est.)
Age structure: 0-14 years : 32% (male 25,267; female 24,146) 15-64 years: 63% (male 54,051; female 45,489) 65 years and over: 5% (male 4,014; female 3,979) (July 1997 est.)
Population growth rate: 3.62% (1997 est.)
Birth rate: 24.19 births/1,000 population (1997 est.)
Death rate: 4.56 deaths/1,000 population (1997 est.)
Net migration rate: 16.57 migrant(s)/1,000 population (1997 est.)
Sex ratio: at birth: 1.05 male(s)/female under 15 years: 1.05 male(s)/female 15-64 years: 1.19 male(s)/female 65 years and over : 1.01 male(s)/female total population: 1.13 male(s)/female (1997 est.)
Infant mortality rate: 14 deaths/1,000 live births (1997 est.)
Life expectancy at birth: total population : 76.06 years male: 72.84 years female : 79.45 years (1997 est.)
Total fertility rate: 3.38 children born/woman (1997 est.)