Data:0-14 years: 37.8% (male 2,778,806/female 2,720,033)

15-24 years: 21.29% (male 1,560,833/female 1,536,110)

25-54 years: 33.86% (male 2,578,142/female 2,346,993)

55-64 years: 3.55% (male 188,851/female 327,483)

65 years and over: 3.5% (male 194,933/female 314,777) (2016 est.)

Question: For male and female, separately, find the mean