Iran, Islamic Republic of vs Korea: Population in urban agglomerations of more than 1 million
Iran, Islamic Republic of
23.31 million
in 2025
Korea
26.41 million
in 2025
Iran, Islamic Republic of rank
18th
Korea rank
15th
Population in urban agglomerations of more than 1 million over time
- Iran, Islamic Republic of
- Korea
How they compare
Korea currently reports 26.41 million against 23.31 million in Iran, Islamic Republic of, a difference of 3.10 million.
That makes Korea's figure about 1.1 times Iran, Islamic Republic of's.
Across all 66 years both countries report, Korea has been ahead every year.
Iran, Islamic Republic of ranks 18th and Korea ranks 15th of 121 countries.
Korea has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Iran, Islamic Republic of | Korea | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 4.21 million | 7.24 million | 3.02 million | Korea |
| 1970s | 7.01 million | 13.00 million | 5.99 million | Korea |
| 1980s | 11.03 million | 19.00 million | 7.97 million | Korea |
| 1990s | 14.33 million | 23.19 million | 8.86 million | Korea |
| 2000s | 17.19 million | 24.50 million | 7.31 million | Korea |
| 2010s | 20.28 million | 25.44 million | 5.15 million | Korea |
| 2020s | 22.59 million | 26.22 million | 3.63 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, Iran, Islamic Republic of or Korea?
- Korea, at 26.41 million against 23.31 million in Iran, Islamic Republic of as of 2025.
- What is the difference in population in urban agglomerations of more than 1 million between Iran, Islamic Republic of and Korea?
- 3.10 million, with Korea ahead.
- How many years of comparable data are there for Iran, Islamic Republic of and Korea?
- 66 years are reported by both, from 1960 to 2025.
- How do Iran, Islamic Republic of and Korea rank globally for population in urban agglomerations of more than 1 million?
- Iran, Islamic Republic of ranks 18th and Korea ranks 15th 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.
Individual pages
About this data
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.