Japan vs South Africa: Population projections

Japan
87.00 million Persons
in 2070
South Africa
85.03 million Persons
in 2070
Japan rank
9th
South Africa rank
10th

Population projections over time

  • Japan
  • South Africa
025.0M50.0M75.0M100.0M125.0M202420472070

How they compare

Japan currently reports 87.00 million Persons against 85.03 million Persons in South Africa, a difference of 1.97 million Persons.

Across all 47 years both countries report, Japan has been ahead every year.

Japan ranks 9th and South Africa ranks 10th of 43 countries.

Japan has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade Japan South Africa Difference Ahead
2020s 122.33 million Persons 64.77 million Persons 57.56 million Persons Japan
2030s 116.95 million Persons 69.73 million Persons 47.22 million Persons Japan
2040s 109.20 million Persons 74.92 million Persons 34.27 million Persons Japan
2050s 100.90 million Persons 79.49 million Persons 21.42 million Persons Japan
2060s 92.04 million Persons 83.34 million Persons 8.70 million Persons Japan
2070s 87.00 million Persons 85.03 million Persons 1.97 million Persons Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population projections, Japan or South Africa?
Japan, at 87.00 million Persons against 85.03 million Persons in South Africa as of 2070.
What is the difference in population projections between Japan and South Africa?
1.97 million Persons, with Japan ahead.
How many years of comparable data are there for Japan and South Africa?
47 years are reported by both, from 2024 to 2070.
How do Japan and South Africa rank globally for population projections?
Japan ranks 9th and South Africa ranks 10th of 43 countries.
Where does this data come from?
Organisation for Economic Co-operation and Development, published as Population projections. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs South Africa: Population projections. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 20 August 2026, from https://population.statizoid.com/compare/population-projections/japan/south-africa/

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About this data

Indicator
Population projections
Unit
Persons
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
56 places, 2,581 data points, 2024–2070
Last refreshed

This dataset presents annual population projections data up to 2070 by sex and five year age groups as well as the share of children, youth, the elderly, old-age and total dependency ratios. The data is available for all member countries as well as for the EU27 and G20 countries, Argentina, Brazil, China, India, Indonesia, Russia, Saudi Arabia, Singapore, South Africa and the World total. The data refer to mid-year estimates of the population. Population projections are, in most countries, according to medium variant. See country details for the variants retained for each demographic component of total fertility, life expectancy at birth and net annual migration) in Population projection metadata.