Iran vs Japan: Projected population under age 5

Iran
3.09 million
in 2100
Japan
2.83 million
in 2100
Iran rank
43rd
Japan rank
46th

Projected population under age 5 over time

  • Iran
  • Japan
02.0M4.0M6.0M202420622100

How they compare

Iran currently reports 3.09 million against 2.83 million in Japan, a difference of 268,090.

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

Across all 77 years both countries report, Iran has been ahead every year.

Iran ranks 43rd and Japan ranks 46th of 236 countries.

Iran has averaged higher in every one of the 9 decades both report.

Head to head by decade

Decade Iran Japan Difference Ahead
2020s 5.73 million 3.85 million 1.87 million Iran
2030s 5.16 million 3.84 million 1.32 million Iran
2040s 5.17 million 3.93 million 1.24 million Iran
2050s 4.73 million 3.56 million 1.17 million Iran
2060s 4.10 million 3.24 million 861,907 Iran
2070s 3.93 million 3.27 million 659,485 Iran
2080s 3.66 million 3.16 million 500,637 Iran
2090s 3.24 million 2.90 million 335,073 Iran
2100s 3.09 million 2.83 million 268,090 Iran

Averages of every year both report within each decade.

Frequently asked questions

Which has higher projected population under age 5, Iran or Japan?
Iran, at 3.09 million against 2.83 million in Japan as of 2100.
What is the difference in projected population under age 5 between Iran and Japan?
268,090, with Iran ahead.
How many years of comparable data are there for Iran and Japan?
77 years are reported by both, from 2024 to 2100.
How do Iran and Japan rank globally for projected population under age 5?
Iran ranks 43rd and Japan ranks 46th of 236 countries.
Where does this data come from?
Our World in Data, published as Projected population under age 5. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs Japan: Projected population under age 5. Statizoid, drawing on Our World in Data. Retrieved 11 November 2026, from https://population.statizoid.com/compare/projected-population-under-age-5/iran-islamic-rep/japan/

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About this data

Indicator
Projected population under age 5
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 18,172 data points, 2024–2100
Last refreshed