How does Japan rank for income inequality: gini coefficient before and after tax?

Japan ranks 28th out of 48 countries with data for 2020.

Is income inequality: gini coefficient before and after tax rising or falling in Japan?

Over the last ten years it is up 3.8%. The long-run trend across the full record is flat.

Where does this Japan data come from?

The figures come from Luxembourg Income Study (2026) – with minor processing by Our World in Data, published as part of Income inequality: Gini coefficient before and after tax. Statizoid updates them automatically from the source API.

Income inequality: Gini coefficient before and after tax in Japan

Name: Income inequality: Gini coefficient before and after tax in Japan
Creator: Luxembourg Income Study (2026) – with minor processing by Our World in Data
License: CC BY 4.0 (Our World in Data)

Japan: Income inequality: Gini coefficient before and after tax was 0.305 in 2020. ▬ Flat

Latest (2020)

0.305

Change on year

down 1.2%

World rank

28th

of 48 countries

All-time high

0.3291

in 2008

All-time low

0.2882

in 2015

Years of data

2008–2020

Income inequality: Gini coefficient before and after tax in Japan, 2008–2020

Source: Luxembourg Income Study (2026) – with minor processing by Our World in Data.

Analysis

Japan recorded 0.305 for income inequality: gini coefficient before and after tax in 2020.

Compared with earlier readings it is down 1.2% on the previous year and up 3.8% over ten years.

Over the whole period, income inequality: gini coefficient before and after tax in Japan peaked at 0.3291 in 2008 and was at its lowest, 0.2882, in 2015.

Japan ranks 28th of 48 countries on this measure, in the middle of the range.

Averages by decade

Decade	Average	Lowest	Highest	Years
2000s	0.3183	0.3074	0.3291	2
2010s	0.2993	0.2882	0.3086	10
2020s	0.305	0.305	0.305	1

Countries ranked near Japan

25 Serbia 0.3114 compare
26 Taiwan 0.3079 compare
27 Greece 0.3075 compare
29 United Kingdom 0.3024 compare
30 Russia 0.2998 compare
31 France 0.299 compare

See the full ranking of 48 places →

More poverty & inequality data for Japan

Number of income/consumption surveys in the past decade available via the World Bank 5 surveys (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)
Tax revenue as share of GDP vs. income inequality 34.9% (2022)
Gender Inequality Index 0.059 (2023)
Share of government consumption in GDP vs. share of population living in extreme poverty 23.6% (2023)
Lifespan inequality: Gini coefficient in women 0.0703 (2023)
Lifespan inequality: Gini coefficient by sex 0.0703 (2023)
Lifespan inequality: Gini coefficient in men 0.0856 (2023)
Income inequality: Atkinson index 0.1712 (2023)

All data for Japan →

Frequently asked questions

What is income inequality: gini coefficient before and after tax in Japan?: Income inequality: gini coefficient before and after tax in Japan was 0.305 in 2020, according to Luxembourg Income Study (2026) – with minor processing by Our World in Data.
What is the highest income inequality: gini coefficient before and after tax recorded in Japan?: The highest recorded value was 0.3291 in 2008.
What is the lowest income inequality: gini coefficient before and after tax recorded in Japan?: The lowest recorded value was 0.2882 in 2015.
How does Japan rank for income inequality: gini coefficient before and after tax?: Japan ranks 28th out of 48 countries with data for 2020.
Is income inequality: gini coefficient before and after tax rising or falling in Japan?: Over the last ten years it is up 3.8%. The long-run trend across the full record is flat.
Where does this Japan data come from?: The figures come from Luxembourg Income Study (2026) – with minor processing by Our World in Data, published as part of Income inequality: Gini coefficient before and after tax. Statizoid updates them automatically from the source API.

Download this data

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About this data

Indicator: Income inequality: Gini coefficient before and after tax
Source: Luxembourg Income Study (2026) – with minor processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 48 places, 1,046 data points, 1963–2024
Last refreshed: 07 August 2026

The Gini coefficient measures inequality on a scale from 0 to 1. Higher values indicate higher inequality. Inequality is measured here in terms of income after taxes and benefits.