Age structure:

0-14 years: 25.8% (male 4,125,244/female 3,909,135)

15-64 years: 67.8% (male 10,153,682/female 10,957,011)

65 years and over: 6.4% (2024 est.) (male 961,717/female 1,015,598)

Definition:

This entry provides the distribution of the population according to age. Information is included by sex and age group as follows: 0-14 years (children), 15-64 years (working age), and 65 years and over (elderly).

Source: CIA World Factbook