3,555,179 (July 2009 est.) country comparison to the world: 130
Age structure:
0-14 years: 14.2% (male 258,423/female 245,115)
15-64 years: 69.6% (male 1,214,743/female 1,261,413)
65 years and over: 16.2% (male 198,714/female 376,771) (2009 est.)
Median age:
total: 39.3 years
male: 36.8 years
female: 41.9 years (2009 est.)
Population growth rate: