21,007,310 (July 2008 est.)
Age structure:
0-14 years: 18.8% (male 2,022,151/female 1,919,002) 15-64 years: 67.9% (male 7,233,555/female 7,038,722) 65 years and over: 13.3% (male 1,266,166/female 1,527,714) (2008 est.)
Median age:
total: 37.1 years male: 36.4 years female: 37.9 years (2008 est.)
Population growth rate:
1.221% (2008 est.)
Birth rate:
12.55 births/1,000 population (2008 est.)
Death rate: