0–14 years: 27.34% (male 186,087,665/female 164,398,204) 15-24 years: 17.9% (male 121,879,786/female 107,583,437) 25-54 years: 41.08% (male 271,744,709/female 254,834,569) 55-64 years: 7.45% (male 47,846,122/female 47,632,532) 65+ years: 6.24% (male 37,837,801/female 42,091,086) (2017 est.)