Population:
4,324,450 (July 2008 est.)
Age structure:
0-14 years: 16.3% (male 361,000/female 341,785) 15-64 years: 72.9% (male 1,528,080/female 1,622,620) 65 years and over: 10.9% (male 174,448/female 296,517) (2008 est.)
Median age:
total: 34.3 years male: 32.4 years female: 36.4 years (2008 est.)
Population growth rate:
-0.092% (2008 est.)
Birth rate:
11.01 births/1,000 population (2008 est.)