Income share of the richest 10% before and after tax in Japan

Japan: Income share of the richest 10% before and after tax was 22.8% in 2020. ▬ Flat

Latest (2020)
22.8%
Change on year
down 0.9%
World rank
35th
of 48 countries
All-time high
24.4%
in 2008
All-time low
22.0%
in 2010
Years of data
13
2008–2020

Income share of the richest 10% before and after tax in Japan, 2008–2020

05101520252008201420202008: 24.4 %2009: 23 %2010: 22 %2011: 23.2 %2012: 23 %2013: 22.2 %2014: 22.6 %2015: 22.2 %2016: 22.2 %2017: 22.3 %2018: 22.8 %2019: 23 %2020: 22.8 %

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

Analysis

Japan recorded 22.8% for income share of the richest 10% before and after tax in 2020.

The figure is down 0.9% on the previous year and up 3.4% over ten years.

Over the whole period, income share of the richest 10% before and after tax in Japan peaked at 24.4% in 2008 and was at its lowest, 22.0%, in 2010.

That places Japan 35th out of 48 countries with data for 2020, putting it in the middle of the range.

Income share of the richest 10% before and after tax in Japan, year by year

Annual values for Income share of the richest 10% before and after tax in Japan, 2008 to 2020.
Year % Change
2008 24.4%
2009 23.0% -5.7%
2010 22.0% -4.4%
2011 23.2% +5.3%
2012 23.0% -0.6%
2013 22.2% -3.5%
2014 22.6% +1.6%
2015 22.2% -1.8%
2016 22.2% +0.1%
2017 22.3% +0.7%
2018 22.8% +2.0%
2019 23.0% +0.8%
2020 22.8% -0.9%

Averages by decade

DecadeAverage LowestHighest Years
2000s 23.7% 23.0% 24.4% 2
2010s 22.5% 22.0% 23.2% 10
2020s 22.8% 22.8% 22.8% 1

Countries ranked near Japan

  1. 32 Austria 23.0% compare
  2. 33 Ireland 23.0% compare
  3. 34 Serbia 22.8% compare
  4. 36 Luxembourg 22.7% compare
  5. 37 Estonia 22.5% compare
  6. 38 Hungary 21.8% compare

See the full ranking of 48 places →

More economy & growth data for Japan

All data for Japan →

Frequently asked questions

What is income share of the richest 10% before and after tax in Japan?
Income share of the richest 10% before and after tax in Japan was 22.8% in 2020, according to Luxembourg Income Study (2026) – with minor processing by Our World in Data.
What is the highest income share of the richest 10% before and after tax recorded in Japan?
The highest recorded value was 24.4% in 2008.
What is the lowest income share of the richest 10% before and after tax recorded in Japan?
The lowest recorded value was 22.0% in 2010.
How does Japan rank for income share of the richest 10% before and after tax?
Japan ranks 35th out of 48 countries with data for 2020.
Is income share of the richest 10% before and after tax rising or falling in Japan?
Over the last ten years it is up 3.4%. 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 share of the richest 10% before and after tax. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 13 observations, free to reuse under CC BY 4.0 (Our World in Data).

Share, cite or embed this page

Cite this page

Income share of the richest 10% before and after tax in Japan. Statizoid, drawing on Luxembourg Income Study (2026) – with minor processing by Our World in Data. Retrieved 01 September 2026, from https://economy.statizoid.com/stat/income-share-top-10-after-vs-before-tax-lis-scatter/japan/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://economy.statizoid.com/stat/income-share-top-10-after-vs-before-tax-lis-scatter/japan/">Income share of the richest 10% before and after tax in Japan</a> — Statizoid

About this data

Indicator
Income share of the richest 10% before and after tax
Unit
%
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

Share of income received by the richest decile (tenth of the population).