Japan vs South Korea: Reduction in Human Development Index when adjusting for inequalities
Japan
8.6%
in 2023
South Korea
8.5%
in 2023
Japan rank
136th
South Korea rank
137th
Reduction in Human Development Index when adjusting for inequalities over time
- Japan
- South Korea
How they compare
Japan currently reports 8.6% against 8.5% in South Korea, a difference of 0.1%.
The two have swapped places 3 times across 14 shared years of data; in 2010 it was South Korea ahead.
Japan ranks 136th and South Korea ranks 137th of 166 countries.
South Korea has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Japan | South Korea | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 8.5% | 9.7% | 1.1% | South Korea |
| 2020s | 8.7% | 8.8% | 0.1% | South Korea |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher reduction in human development index when adjusting for inequalities, Japan or South Korea?
- Japan, at 8.6% against 8.5% in South Korea as of 2023.
- What is the difference in reduction in human development index when adjusting for inequalities between Japan and South Korea?
- 0.1%, with Japan ahead.
- How many years of comparable data are there for Japan and South Korea?
- 14 years are reported by both, from 2010 to 2023.
- How do Japan and South Korea rank globally for reduction in human development index when adjusting for inequalities?
- Japan ranks 136th and South Korea ranks 137th of 166 countries.
- Where does this data come from?
- UNDP, Human Development Report (2025) – with minor processing by Our World in Data, published as Reduction in Human Development Index when adjusting for inequalities. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Percentage difference between the IHDI value and the HDI value.