Population: 37,384,816 (July 2001 est.)
Age structure: 0-14 years: 26.54% (male 5,077,593; female 4,842,811)
15-64 years: 63.04% (male 11,795,282; female 11,773,855)
65 years and over: 10.42% (male 1,609,672; female 2,285,603) (2001 est.)
Population growth rate: 1.15% (2001 est.)
Birth rate: 18.41 births/1,000 population (2001 est.)
Death rate: 7.58 deaths/1,000 population (2001 est.)
Net migration rate: 0.64 migrant(s)/1,000 population (2001 est.)
Sex ratio: at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female