Population:
21,959,278 (July 2010 est.) country comparison to the world: 53
Age structure:
0-14 years: 15.5% (male 1,772,583/female 1,681,539)
15-64 years: 69.7% (male 7,711,062/female 7,784,041)
65 years and over: 14.7% (male 1,332,120/female 1,934,076) (2010 est.)
Median age:
total: 38.4 years
male: 36.9 years
female: 39.9 years (2010 est.)