Japan vs Republic of Korea: Population ages 0-14

Japan
11.2%
in 2025
Republic of Korea
10.2%
in 2025
Japan rank
216th
Republic of Korea rank
218th

Population ages 0-14 over time

  • Japan
  • Republic of Korea
10203040196019922025

How they compare

Japan currently reports 11.2% against 10.2% in Republic of Korea, a difference of 1.0%.

That makes Japan's figure about 1.1 times Republic of Korea's.

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

Japan ranks 216th and Republic of Korea ranks 218th of 218 countries.

Across the 7 decades both report, Japan averaged higher in 1 and Republic of Korea in 6.

Head to head by decade

Decade Japan Republic of Korea Difference Ahead
1960s 26.0% 42.7% 16.7% Republic of Korea
1970s 23.6% 38.7% 15.1% Republic of Korea
1980s 21.6% 30.5% 8.9% Republic of Korea
1990s 16.0% 23.4% 7.4% Republic of Korea
2000s 13.8% 19.3% 5.4% Republic of Korea
2010s 12.9% 14.1% 1.3% Republic of Korea
2020s 11.7% 11.2% 0.6% Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population ages 0-14, Japan or Republic of Korea?
Japan, at 11.2% against 10.2% in Republic of Korea as of 2025.
What is the difference in population ages 0-14 between Japan and Republic of Korea?
1.0%, with Japan ahead.
How many years of comparable data are there for Japan and Republic of Korea?
66 years are reported by both, from 1960 to 2025.
How do Japan and Republic of Korea rank globally for population ages 0-14?
Japan ranks 216th and Republic of Korea ranks 218th of 218 countries.
Where does this data come from?
United Nations Population Division. World Population Prospects., United Nations Population Division, published as Population ages 0-14 (% of total population). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs Republic of Korea: Population ages 0-14. Statizoid, drawing on United Nations Population Division. World Population Prospects., United Nations Population Division. Retrieved 04 September 2026, from https://education.statizoid.com/compare/population-ages-0-14-percent-of-total-population/japan/korea-rep/

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About this data

Indicator
Population ages 0-14 (% of total population)
Unit
% of total population
Source
United Nations Population Division. World Population Prospects., United Nations Population Division
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
266 places, 17,556 data points, 1960–2025
Last refreshed

Population between the ages 0 to 14 as a percentage of the total population. Population is based on the de facto definition of population.