Japan vs South-East Asia (WHO regions): Total population by age

Japan
745.82
in 2100
South-East Asia (WHO regions)
20,688
in 2100
Japan rank
42nd
South-East Asia (WHO regions) rank
39th

Total population by age over time

  • Japan
  • South-East Asia (WHO regions)
010.0k20.0k30.0k202420622100

How they compare

South-East Asia (WHO regions) currently reports 20,688 against 745.82 in Japan, a difference of 19,942.

That makes South-East Asia (WHO regions)'s figure about 27.7 times Japan's.

Across all 77 years both countries report, South-East Asia (WHO regions) has been ahead every year.

Japan ranks 42nd and South-East Asia (WHO regions) ranks 39th of 234 countries.

South-East Asia (WHO regions) has averaged higher in every one of the 9 decades both report.

Head to head by decade

Decade Japan South-East Asia (WHO regions) Difference Ahead
2020s 1,212 29,132 27,920 South-East Asia (WHO regions)
2030s 1,190 31,147 29,956 South-East Asia (WHO regions)
2040s 1,213 30,482 29,269 South-East Asia (WHO regions)
2050s 1,016 28,113 27,097 South-East Asia (WHO regions)
2060s 891.41 26,791 25,900 South-East Asia (WHO regions)
2070s 913.95 24,859 23,945 South-East Asia (WHO regions)
2080s 858.42 22,947 22,089 South-East Asia (WHO regions)
2090s 762.95 21,507 20,744 South-East Asia (WHO regions)
2100s 745.82 20,688 19,943 South-East Asia (WHO regions)

Averages of every year both report within each decade.

Frequently asked questions

Which has higher total population by age, Japan or South-East Asia (WHO regions)?
South-East Asia (WHO regions), at 20,688 against 745.82 in Japan as of 2100.
What is the difference in total population by age between Japan and South-East Asia (WHO regions)?
19,942, with South-East Asia (WHO regions) ahead.
How many years of comparable data are there for Japan and South-East Asia (WHO regions)?
77 years are reported by both, from 2024 to 2100.
How do Japan and South-East Asia (WHO regions) rank globally for total population by age?
Japan ranks 42nd and South-East Asia (WHO regions) ranks 39th of 234 countries.
Where does this data come from?
UNICEF, published as Total population by age (35 years old). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs South-East Asia (WHO regions): Total population by age. Statizoid, drawing on UNICEF. Retrieved 07 September 2026, from https://population.statizoid.com/compare/total-population-by-age-35-years-old/japan/south-east-asia-who-regions/

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About this data

Indicator
Total population by age (35 years old)
Source
UNICEF
Licence
UNICEF Terms of Use (attribution required)
Coverage
389 places, 29,953 data points, 2024–2100
Last refreshed