What is political corruption index in Japan?

Political corruption index in Japan was 0.05 in 2025, according to V-Dem (2026) – processed by Our World in Data.

What is the highest political corruption index recorded in Japan?

The highest recorded value was 0.349 in 1789.

What is the lowest political corruption index recorded in Japan?

The lowest recorded value was 0.045 in 2021.

How does Japan rank for political corruption index?

Japan ranks 159th out of 176 countries with data for 2025.

Is political corruption index rising or falling in Japan?

Over the last ten years it is down 37.5%. The long-run trend across the full record is falling.

Where does this Japan data come from?

The figures come from V-Dem (2026) – processed by Our World in Data, published as part of Political Corruption Index. Statizoid updates them automatically from the source API.

Political Corruption Index in Japan

Name: Political Corruption Index in Japan
Creator: V-Dem (2026) – processed by Our World in Data
License: CC BY 4.0 (Our World in Data)

Japan: Political Corruption Index was 0.05 in 2025. ▼ Falling

Latest (2025)

0.05

Change on year

unchanged

World rank

159th

of 176 countries

All-time high

0.349

in 1789

All-time low

0.045

in 2021

Years of data

237

1789–2025

Political Corruption Index in Japan, 1789–2025

Source: V-Dem (2026) – processed by Our World in Data.

Analysis

In 2025, political corruption index in Japan stood at 0.05.

Compared with earlier readings it is down 37.5% over ten years.

Over the whole period, political corruption index in Japan peaked at 0.349 in 1789 and was at its lowest, 0.045, in 2021.

That places Japan 159th out of 176 countries with data for 2025, putting it in the bottom quarter.

The long-run direction has been consistently falling across the 237 years of available data.

Averages by decade

Decade	Average	Lowest	Highest	Years
1780s	0.349	0.349	0.349	1
1790s	0.349	0.349	0.349	10
1800s	0.349	0.349	0.349	10
1810s	0.349	0.349	0.349	10
1820s	0.349	0.349	0.349	10
1830s	0.349	0.349	0.349	10
1840s	0.349	0.349	0.349	10
1850s	0.349	0.349	0.349	10
1860s	0.215	0.191	0.221	10
1870s	0.177	0.177	0.177	10
1880s	0.205	0.177	0.297	10
1890s	0.301	0.301	0.301	10
1900s	0.25	0.25	0.25	10
1910s	0.25	0.25	0.25	10
1920s	0.25	0.25	0.25	10
1930s	0.25	0.25	0.25	10
1940s	0.2092	0.141	0.25	10
1950s	0.1341	0.13	0.141	10
1960s	0.13	0.13	0.13	10
1970s	0.1165	0.115	0.13	10
1980s	0.1166	0.115	0.123	10
1990s	0.112	0.108	0.115	10
2000s	0.108	0.108	0.108	10
2010s	0.0954	0.075	0.108	10
2020s	0.0525	0.045	0.075	6

Countries ranked near Japan

156 France 0.056 compare
157 Uruguay 0.055 compare
158 Seychelles 0.054 compare
160 United Kingdom 0.042 compare
162 Belgium 0.031 compare
162 Finland 0.031 compare

See the full ranking of 176 places →

More social development data for Japan

Political Rights Rating 1 (2025)
Refugees under the mandate of the UNHCR by country or territory of asy 42,450 (2025)
Refugees under the mandate of the UNHCR by country or territory of ori 56 (2025)
Electoral democracy 1 (2025)
Key features of democracy 0.819 (2025)
Freedom of Expression Index 0.847 (2025)
Freedom of Association Index 0.924 (2025)
Electoral Democracy Index 0.819 (2025)
Participatory Democracy Index 0.526 (2025)
Liberal Democracy Index 0.734 (2025)

All data for Japan →

Frequently asked questions

What is political corruption index in Japan?: Political corruption index in Japan was 0.05 in 2025, according to V-Dem (2026) – processed by Our World in Data.
What is the highest political corruption index recorded in Japan?: The highest recorded value was 0.349 in 1789.
What is the lowest political corruption index recorded in Japan?: The lowest recorded value was 0.045 in 2021.
How does Japan rank for political corruption index?: Japan ranks 159th out of 176 countries with data for 2025.
Is political corruption index rising or falling in Japan?: Over the last ten years it is down 37.5%. The long-run trend across the full record is falling.
Where does this Japan data come from?: The figures come from V-Dem (2026) – processed by Our World in Data, published as part of Political Corruption Index. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 237 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator: Political Corruption Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 176 places, 25,295 data points, 1789–2025
Last refreshed: 07 August 2026

Central estimate of the extent to which a country is affected by political corruption.