Age structure: 0-14 years: 34.21% (male 5,528,755; female 5,328,083)
15-64 years: 61.72% (male 9,901,319; female 9,687,449)
65 years and over: 4.07% (male 594,973; female 695,474) (2001 est.)
Population growth rate: 1.71% (2001 est.)
Birth rate: 22.76 births/1,000 population (2001 est.)
Death rate: 5.22 deaths/1,000 population (2001 est.)
Net migration rate: -0.45 migrant(s)/1,000 population (2001 est.)
Sex ratio: at birth: 1.04 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.02 male(s)/female