Inequality-adjusted Human Development Index in Japan
Japan: Inequality-adjusted Human Development Index was 0.845 in 2023. ▬ Flat
Inequality-adjusted Human Development Index in Japan, 2010–2023
Source: UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
Analysis
The most recent figure for inequality-adjusted human development index in Japan is 0.845, measured in 2023. That is the highest value across all 14 years on record.
That represents a change of up 0.5% on the previous year and up 0.6% over ten years.
Over the whole period, inequality-adjusted human development index in Japan peaked at 0.845 in 2023 and was at its lowest, 0.822, in 2010.
Japan ranks 20th of 166 countries on this measure, in the top quarter.
Inequality-adjusted Human Development Index in Japan, year by year
| Year | Value | Change |
|---|---|---|
| 2010 | 0.822 | — |
| 2011 | 0.833 | +1.3% |
| 2012 | 0.837 | +0.5% |
| 2013 | 0.84 | +0.4% |
| 2014 | 0.837 | -0.4% |
| 2015 | 0.84 | +0.4% |
| 2016 | 0.841 | +0.1% |
| 2017 | 0.841 | +0.0% |
| 2018 | 0.837 | -0.5% |
| 2019 | 0.84 | +0.4% |
| 2020 | 0.841 | +0.1% |
| 2021 | 0.842 | +0.1% |
| 2022 | 0.841 | -0.1% |
| 2023 | 0.845 | +0.5% |
Japan compared with similar countries
- Japan's 0.845 is above the median for high income countries, which is 0.836, 1.0× the median. (53 countries reporting)
- Japan's 0.845 is above the median for East Asia & Pacific, which is 0.6285, 1.3× the median. (26 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 0.8368 | 0.822 | 0.841 | 10 |
| 2020s | 0.8422 | 0.841 | 0.845 | 4 |
Countries ranked near Japan
More poverty & inequality data for Japan
- Number of income/consumption surveys in the past decade available via the World Bank 5 surveys (2025)
- Number of income/consumption surveys in the past decade available via 0 surveys per person (2025)
- Number of income/consumption surveys in the past decade available via 0 surveys per US$ of GDP (2025)
- Fertility rate vs. share living in extreme poverty 1.21 live births per woman (2023)
- Cereal yield vs. share in extreme poverty 6,245 kg per hectare (2023)
- Cereal yield vs extreme poverty, per unit of GDP 0 units per US$ of GDP (2023)
- Cereal yield vs extreme poverty, annual growth rate -1.18 % change on previous year (2023)
- Tax revenues vs income inequality, gaps filled 34.86 (2022)
- Tax revenue as share of GDP vs. income inequality 34.9% (2022)
- Tax revenues vs income inequality, per unit of GDP 0 units per US$ of GDP (2022)
Frequently asked questions
- What is inequality-adjusted human development index in Japan?
- Inequality-adjusted human development index in Japan was 0.845 in 2023, according to UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
- What is the highest inequality-adjusted human development index recorded in Japan?
- The highest recorded value was 0.845 in 2023.
- What is the lowest inequality-adjusted human development index recorded in Japan?
- The lowest recorded value was 0.822 in 2010.
- How does Japan rank for inequality-adjusted human development index?
- Japan ranks 20th out of 166 countries with data for 2023.
- Is inequality-adjusted human development index rising or falling in Japan?
- Over the last ten years it is up 0.6%. The long-run trend across the full record is flat.
- 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 Inequality-adjusted Human Development Index. 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
The Inequality-adjusted Human Development Index (IHDI) is a summary measure of key dimensions of human development: a long and healthy life, a good education, and a decent standard of living, adjusted for inequalities in these dimensions. Higher values indicate higher and more equal human development.