Reduction in Human Development Index when adjusting for inequalities in Japan
Japan: Reduction in Human Development Index when adjusting for inequalities was 8.6% in 2023. ▲ Rising
Reduction in Human Development Index when adjusting for inequalities in Japan, 2010–2023
Source: UNDP, Human Development Report (2025) – with minor processing by Our World in Data. Measured in %.
Analysis
In 2023, reduction in human development index when adjusting for inequalities in Japan stood at 8.6%.
Compared with earlier readings it is down 0.4% on the previous year and up 9.5% over ten years.
Over the whole period, reduction in human development index when adjusting for inequalities in Japan peaked at 9.4% in 2010 and was at its lowest, 7.9%, in 2013.
That places Japan 136th out of 166 countries with data for 2023, putting it in the bottom quarter.
The long-run direction has been consistently rising across the 14 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 8.5% | 7.9% | 9.4% | 10 |
| 2020s | 8.7% | 8.6% | 8.8% | 4 |
Countries ranked near Japan
- 133 Australia 8.9% compare
- 135 Latvia 8.7% compare
- 137 South Korea 8.5% compare
- 138 Kazakhstan 8.5% compare
- 139 Moldova 8.4% compare
More reference data data for Japan
- Spring temperature anomalies 1.24 °C (2026)
- Summer temperature anomalies 0.1053 °C (2026)
- Temperature anomalies by month -0.7172 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 1.9 °C (2025)
- Winter temperature anomalies 0.5865 °C (2025)
- Consumer price index 118.04 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 1 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is reduction in human development index when adjusting for inequalities in Japan?
- Reduction in human development index when adjusting for inequalities in Japan was 8.6% in 2023, according to UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
- What is the highest reduction in human development index when adjusting for inequalities recorded in Japan?
- The highest recorded value was 9.4% in 2010.
- What is the lowest reduction in human development index when adjusting for inequalities recorded in Japan?
- The lowest recorded value was 7.9% in 2013.
- How does Japan rank for reduction in human development index when adjusting for inequalities?
- Japan ranks 136th out of 166 countries with data for 2023.
- Is reduction in human development index when adjusting for inequalities rising or falling in Japan?
- Over the last ten years it is up 9.5%. The long-run trend across the full record is rising.
- Where does this Japan data come from?
- The figures come from UNDP, Human Development Report (2025) – with minor processing by Our World in Data, published as part of Reduction in Human Development Index when adjusting for inequalities. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 14 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Percentage difference between the IHDI value and the HDI value.