Population:
22,246,862 (July 2008 est.)
Age structure:
0-14 years: 15.6% (male 1,778,864/female 1,687,659) 15-64 years: 69.7% (male 7,718,125/female 7,791,102) 65 years and over: 14.7% (male 1,337,915/female 1,933,197) (2008 est.)
Median age:
total: 37.3 years male: 35.9 years female: 38.7 years (2008 est.)
Population growth rate:
-0.136% (2008 est.)
Birth rate:
10.61 births/1,000 population (2008 est.)