Age structure:
0-14 years: 18.3% (male 1,077,745/female 1,020,393)
15-64 years: 70.4% (male 4,035,691/female 4,030,103)
65 years and over: 11.2% (male 584,478/female 703,242) (2010 est.)
Median age:
total: 37.8 years
male: 37.1 years
female: 38.6 years (2010 est.)
Population growth rate:
0.217% (2010 est.) country comparison to the world: 181