Population: 16,881,793 (July 1997 est.)
Age structure: 0-14 years : 30% (male 2,536,307; female 2,462,742) 15-64 years: 63% (male 5,219,618; female 5,480,693) 65 years and over: 7% (male 392,374; female 790,059) (July 1997 est.)
Population growth rate: -0.24% (1997 est.)
Birth rate: 17.36 births/1,000 population (1997 est.)
Death rate: 9.97 deaths/1,000 population (1997 est.)
Net migration rate: -9.84 migrant(s)/1,000 population (1997 est.)
Sex ratio: at birth: 1.05 male(s)/female under 15 years: 1.03 male(s)/female 15-64 years: 0.95 male(s)/female 65 years and over : 0.5 male(s)/female total population: 0.93 male(s)/female (1997 est.)
Infant mortality rate: 57.7 deaths/1,000 live births (1997 est.)
Life expectancy at birth: total population : 63.79 years male: 58.32 years female : 69.53 years (1997 est.)
Total fertility rate: 2.14 children born/woman (1997 est.)