Japan vs Nigeria: Population ages 45-49, male

Japan

4.28 million

in 2025

Nigeria

4.78 million

in 2025

Japan rank

10th

Nigeria rank

8th

Population ages 45-49, male over time

Nigeria currently reports 4.78 million against 4.28 million in Japan, a difference of 506,260.

That makes Nigeria's figure about 1.1 times Japan's.

The two have swapped places 1 time across 66 shared years of data; in 1960 it was Japan ahead.

Globally, Japan ranks 10th and Nigeria ranks 8th of 215 countries.

Indicator: Population ages 45-49, male
Source: World Bank staff estimates using the World Bank's total population and age/sex distributions of the United Nations Population Division's World Population Prospects
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 260 places, 17,130 data points, 1960–2025
Last refreshed: 06 August 2026

Male population between the ages 45 to 49.