Iran, Islamic Republic of vs Japan: Population ages 15-64, total

Iran, Islamic Republic of
64.14 million
in 2025
Japan
72.50 million
in 2025
Iran, Islamic Republic of rank
16th
Japan rank
14th

Population ages 15-64, total over time

  • Iran, Islamic Republic of
  • Japan
20.0M40.0M60.0M80.0M196019922025

How they compare

Japan currently reports 72.50 million against 64.14 million in Iran, Islamic Republic of, a difference of 8.36 million.

That makes Japan's figure about 1.1 times Iran, Islamic Republic of's.

Across all 66 years both countries report, Japan has been ahead every year.

Iran, Islamic Republic of ranks 16th and Japan ranks 14th of 217 countries.

Japan has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade Iran, Islamic Republic of Japan Difference Ahead
1960s 12.77 million 66.07 million 53.30 million Japan
1970s 17.80 million 75.59 million 57.80 million Japan
1980s 25.97 million 81.94 million 55.97 million Japan
1990s 34.26 million 87.07 million 52.81 million Japan
2000s 48.44 million 84.36 million 35.92 million Japan
2010s 57.85 million 77.50 million 19.64 million Japan
2020s 62.31 million 73.37 million 11.06 million Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population ages 15-64, total, Iran, Islamic Republic of or Japan?
Japan, at 72.50 million against 64.14 million in Iran, Islamic Republic of as of 2025.
What is the difference in population ages 15-64, total between Iran, Islamic Republic of and Japan?
8.36 million, with Japan ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Japan?
66 years are reported by both, from 1960 to 2025.
How do Iran, Islamic Republic of and Japan rank globally for population ages 15-64, total?
Iran, Islamic Republic of ranks 16th and Japan ranks 14th of 217 countries.
Where does this data come from?
World Population Prospects, United Nations (UN), publisher: UN Population Division, published as Population ages 15-64, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Japan: Population ages 15-64, total. Statizoid, drawing on World Population Prospects, United Nations (UN), publisher: UN Population Division. Retrieved 22 August 2026, from https://health.statizoid.com/compare/population-ages-15-64-total/iran-islamic-rep/japan/

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About this data

Indicator
Population ages 15-64, total
Source
World Population Prospects, United Nations (UN), publisher: UN Population Division
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
265 places, 17,460 data points, 1960–2025
Last refreshed

Total population between the ages 15 to 64. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship.