15-64 years: 57.07% (male 2,315,098; female 2,421,987)
65 years and over: 4.47% (male 166,986; female 203,946) (2001 est.)
Population growth rate: 1.76% (2001 est.)
Birth rate: 27.27 births/1,000 population (2001 est.)
Death rate: 8.2 deaths/1,000 population (2001 est.)
Net migration rate: -1.45 migrant(s)/1,000 population (2001 est.)
Sex ratio: at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 0.96 male(s)/female
65 years and over: 0.82 male(s)/female