Korea vs South Africa: Population in urban agglomerations of more than 1 million

Korea
26.41 million
in 2025
South Africa
23.36 million
in 2025
Korea rank
15th
South Africa rank
17th

Population in urban agglomerations of more than 1 million over time

  • Korea
  • South Africa
5.0M10.0M15.0M20.0M25.0M196019922025

How they compare

Korea currently reports 26.41 million against 23.36 million in South Africa, a difference of 3.06 million.

That makes Korea's figure about 1.1 times South Africa's.

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

Korea ranks 15th and South Africa ranks 17th of 121 countries.

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

Head to head by decade

Decade Korea South Africa Difference Ahead
1960s 7.24 million 4.59 million 2.65 million Korea
1970s 13.00 million 5.95 million 7.05 million Korea
1980s 19.00 million 7.61 million 11.39 million Korea
1990s 23.19 million 10.56 million 12.62 million Korea
2000s 24.50 million 14.54 million 9.95 million Korea
2010s 25.44 million 18.69 million 6.75 million Korea
2020s 26.22 million 22.33 million 3.89 million Korea

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population in urban agglomerations of more than 1 million, Korea or South Africa?
Korea, at 26.41 million against 23.36 million in South Africa as of 2025.
What is the difference in population in urban agglomerations of more than 1 million between Korea and South Africa?
3.06 million, with Korea ahead.
How many years of comparable data are there for Korea and South Africa?
66 years are reported by both, from 1960 to 2025.
How do Korea and South Africa rank globally for population in urban agglomerations of more than 1 million?
Korea ranks 15th and South Africa ranks 17th of 121 countries.
Where does this data come from?
World Urbanization Prospects 2018, United Nations (UN), published as Population in urban agglomerations of more than 1 million. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Korea vs South Africa: Population in urban agglomerations of more than 1 million. Statizoid, drawing on World Urbanization Prospects 2018, United Nations (UN). Retrieved 13 September 2026, from https://urban.statizoid.com/compare/population-in-urban-agglomerations-of-more-than-1-million/korea-rep/south-africa/

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About this data

Indicator
Population in urban agglomerations of more than 1 million
Source
World Urbanization Prospects 2018, United Nations (UN)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
121 places, 7,986 data points, 1960–2025
Last refreshed

Population in urban agglomerations of more than one million is the country's population living in metropolitan areas that in 2018 had a population of more than one million people.