4,657,542 (July 2009 est.) country comparison to the world: 117
Age structure:
0-14 years: 14.4% (male 348,382/female 324,050)
15-64 years: 76.7% (male 1,737,972/female 1,833,415)
65 years and over: 8.9% (male 184,393/female 229,330) (2009 est.)
Median age:
total: 39 years
male: 38.5 years
female: 39.4 years (2009 est.)
Population growth rate: