Population:
559,846 (July 2009 est.) country comparison to the world: 167
Age structure:
0-14 years: 16.1% (male 47,853/female 42,019)
15-64 years: 76.2% (male 199,593/female 227,010)
65 years and over: 7.7% (male 20,245/female 23,126) (2009 est.)
Median age:
total: 35.2 years
male: 35.9 years
female: 34.6 years (2009 est.)