508,659 (July 2010 est.) country comparison to the world: 169
Age structure:
0-14 years: 35.2% (male 76,012/female 74,993)
15-64 years: 58.5% (male 123,376/female 127,653)
65 years and over: 6.4% (male 10,040/female 17,400) (2010 est.)
Median age:
total: 22.3 years
male: 21.4 years
female: 23.1 years (2010 est.)
Population growth rate: