Age structure:

0-14 years: 11.9% (male 3,699,167/female 3,531,734)

15-64 years: 64.5% (male 19,378,160/female 19,958,137)

65 years and over: 23.6% (2024 est.) (male 6,336,738/female 8,060,995)

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