South Korea vs Sudan: Population by income level
South Korea
51.68 million
in 2025
Sudan
51.66 million
in 2025
South Korea rank
29th
Sudan rank
30th
Population by income level over time
- South Korea
- Sudan
How they compare
South Korea currently reports 51.68 million against 51.66 million in Sudan, a difference of 22,500.
Across all 66 years both countries report, South Korea has been ahead every year.
South Korea ranks 29th and Sudan ranks 30th of 215 countries.
South Korea has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | South Korea | Sudan | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 28.32 million | 9.75 million | 18.57 million | South Korea |
| 1970s | 34.95 million | 13.87 million | 21.07 million | South Korea |
| 1980s | 40.46 million | 19.56 million | 20.90 million | South Korea |
| 1990s | 44.82 million | 24.42 million | 20.40 million | South Korea |
| 2000s | 48.17 million | 31.02 million | 17.14 million | South Korea |
| 2010s | 50.78 million | 39.89 million | 10.89 million | South Korea |
| 2020s | 51.74 million | 49.40 million | 2.34 million | South Korea |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population by income level, South Korea or Sudan?
- South Korea, at 51.68 million against 51.66 million in Sudan as of 2025.
- What is the difference in population by income level between South Korea and Sudan?
- 22,500, with South Korea ahead.
- How many years of comparable data are there for South Korea and Sudan?
- 66 years are reported by both, from 1960 to 2025.
- How do South Korea and Sudan rank globally for population by income level?
- South Korea ranks 29th and Sudan ranks 30th of 215 countries.
- Where does this data come from?
- United Nations Population Division, national statistical offices, and Eurostat, via World Bank (2026) – processed by Our World in Data, published as Population by income level. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Total population, differentiated by World Bank income level.