Population- 22.235 million (July 2016
est.)
1)
Age structure: 0-14 years: 24.35% (male 2,760,821/female 2,652,747)
15-24
years: 14.7% (male 1,660,402/female 1,608,022)
25-54
years: 41.71% (male 4,544,253/female 4,729,544)
55-64
years: 9.89% (male 1,018,357/female 1,181,060)
65 years
and over: 9.35% (male 882,740/female 1,197,054) (2016 est.)