Age structure: 0-14 years: 45.53% (male 250,327; female 252,479)
15-64 years: 51.88% (male 276,186; female 296,728)
65 years and over: 2.59% (male 11,687; female 16,936) (2001 est.)
Population growth rate: 1.83% (2001 est.)
Birth rate: 40.12 births/1,000 population (2001 est.)
Death rate: 21.84 deaths/1,000 population (2001 est.)
Net migration rate: 0 migrant(s)/1,000 population (2001 est.)
Sex ratio: at birth: 1.03 male(s)/female
under 15 years: 0.99 male(s)/female
15-64 years: 0.93 male(s)/female