According to the CIA World Factbook;
Population: 45,994,288 (July 2008 est.)
Age structure:
- 0-14 years: 13.9% (male 3,277,905/female 3,106,012)
- 15-64 years: 70% (male 15,443,818/female 16,767,931)
- 65 years and over: 16.1% (male 2,489,235/female 4,909,386) (2008 est.)
Median age:
- total: 39.4 years
- male: 36.1 years
- female: 42.5 years (2008 est.)
Average per household: 1.3
