Japan vs United Kingdom: How do UN Population projections compare to the previous revision?

Japan
73.64 million people
in 2100
United Kingdom
70.49 million people
in 2100
Japan rank
33rd
United Kingdom rank
35th

How do UN Population projections compare to the previous revision? over time

  • Japan
  • United Kingdom
025.0M50.0M75.0M100.0M125.0M202220612100

How they compare

Japan currently reports 73.64 million people against 70.49 million people in United Kingdom, a difference of 3.16 million people.

Across all 79 years both countries report, Japan has been ahead every year.

Japan ranks 33rd and United Kingdom ranks 35th of 235 countries.

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

Head to head by decade

Decade Japan United Kingdom Difference Ahead
2020s 121.61 million people 68.27 million people 53.33 million people Japan
2030s 115.25 million people 69.90 million people 45.35 million people Japan
2040s 107.80 million people 71.21 million people 36.60 million people Japan
2050s 100.60 million people 71.77 million people 28.83 million people Japan
2060s 93.24 million people 71.66 million people 21.59 million people Japan
2070s 86.15 million people 71.61 million people 14.54 million people Japan
2080s 80.57 million people 71.30 million people 9.27 million people Japan
2090s 75.98 million people 70.76 million people 5.22 million people Japan
2100s 73.64 million people 70.49 million people 3.16 million people Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher how do un population projections compare to the previous revision?, Japan or United Kingdom?
Japan, at 73.64 million people against 70.49 million people in United Kingdom as of 2100.
What is the difference in how do un population projections compare to the previous revision? between Japan and United Kingdom?
3.16 million people, with Japan ahead.
How many years of comparable data are there for Japan and United Kingdom?
79 years are reported by both, from 2022 to 2100.
How do Japan and United Kingdom rank globally for how do un population projections compare to the previous revision??
Japan ranks 33rd and United Kingdom ranks 35th of 235 countries.
Where does this data come from?
UN, World Population Prospects (2024) – processed by Our World in Data, published as How do UN Population projections compare to the previous revision?. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs United Kingdom: How do UN Population projections compare to the previous revision?. Statizoid, drawing on UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 08 October 2026, from https://population.statizoid.com/compare/un-population-2024-vs-2022/japan/united-kingdom/

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About this data

Indicator
How do UN Population projections compare to the previous revision?
Unit
people
Source
UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
235 places, 18,565 data points, 2022–2100
Last refreshed

Total population, measured on 1 July of the year shown. Future projections are based on the UN's medium scenario.