CIA is the source here.
Government type: none
Guess they gonna have to change that now.
Thanks
Age structure:
0-14 years: 40.3% (male 5,198,966; female 5,039,173)
15-64 years: 56.7% (male 7,280,167; female 7,094,688)
65 years and over: 3% (male 357,651; female 404,046) (2004 est.)
Median age:
total: 19.2 years
male: 19.1 years
female: 19.3 years (2004 est.)
Looks like 60% is about the total for those over 14.