Age structure: 0-14 years: 39.92% (male 3,440,060; female 3,238,576)

15-64 years: 56.87% (male 4,868,816; female 4,644,870)

65 years and over: 3.21% (male 261,036; female 275,450) (2001 est.)

Population growth rate: 2.54% (2001 est.)

Birth rate: 30.64 births/1,000 population (2001 est.)

Death rate: 5.21 deaths/1,000 population (2001 est.)

Net migration rate: 0 migrant(s)/1,000 population (2001 est.)

Sex ratio: at birth: 1.06 male(s)/female

under 15 years: 1.06 male(s)/female

15-64 years: 1.05 male(s)/female