What is deliberative democracy index in Japan?

Deliberative democracy index in Japan was 0.729 in 2025, according to V-Dem (2026) – processed by Our World in Data.

What is the highest deliberative democracy index recorded in Japan?

The highest recorded value was 0.758 in 2009.

What is the lowest deliberative democracy index recorded in Japan?

The lowest recorded value was 0.066 in 1943.

How does Japan rank for deliberative democracy index?

Japan ranks 18th out of 175 countries with data for 2025.

Is deliberative democracy index rising or falling in Japan?

Over the last ten years it is up 0.4%. The long-run trend across the full record is volatile.

Where does this Japan data come from?

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

Deliberative Democracy Index in Japan

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

Japan: Deliberative Democracy Index was 0.729 in 2025. ◆ Volatile

Latest (2025)

0.729

Change on year

down 0.4%

World rank

18th

of 175 countries

All-time high

0.758

in 2009

All-time low

0.066

in 1943

Years of data

126

1900–2025

Deliberative Democracy Index in Japan, 1900–2025

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

Analysis

In 2025, deliberative democracy index in Japan stood at 0.729.

Compared with earlier readings it is down 0.4% on the previous year and up 0.4% over ten years.

Over the whole period, deliberative democracy index in Japan peaked at 0.758 in 2009 and was at its lowest, 0.066, in 1943.

Japan ranks 18th of 175 countries on this measure, in the top 10%.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

Decade	Average	Lowest	Highest	Years
1900s	0.148	0.147	0.149	10
1910s	0.1489	0.147	0.152	10
1920s	0.1563	0.152	0.161	10
1930s	0.1153	0.083	0.156	10
1940s	0.1579	0.066	0.308	10
1950s	0.5616	0.311	0.686	10
1960s	0.711	0.696	0.713	10
1970s	0.7237	0.719	0.726	10
1980s	0.7299	0.727	0.734	10
1990s	0.7372	0.734	0.739	10
2000s	0.7468	0.737	0.758	10
2010s	0.7352	0.722	0.757	10
2020s	0.7323	0.724	0.743	6

Countries ranked near Japan

15 Estonia 0.758 compare
16 South Korea 0.751 compare
17 Netherlands 0.742 compare
18 Austria 0.729 compare
20 Barbados 0.712 compare
21 Brazil 0.707 compare

See the full ranking of 175 places →

More social development data for Japan

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)
Political Rights Rating 1 (2025)
Key features of liberal democracy 0.734 (2025)
Varieties 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)
Liberal democracy 3 (2025)

All data for Japan →

Frequently asked questions

What is deliberative democracy index in Japan?: Deliberative democracy index in Japan was 0.729 in 2025, according to V-Dem (2026) – processed by Our World in Data.
What is the highest deliberative democracy index recorded in Japan?: The highest recorded value was 0.758 in 2009.
What is the lowest deliberative democracy index recorded in Japan?: The lowest recorded value was 0.066 in 1943.
How does Japan rank for deliberative democracy index?: Japan ranks 18th out of 175 countries with data for 2025.
Is deliberative democracy index rising or falling in Japan?: Over the last ten years it is up 0.4%. The long-run trend across the full record is volatile.
Where does this Japan data come from?: The figures come from V-Dem (2026) – processed by Our World in Data, published as part of Deliberative Democracy Index. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 126 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator: Deliberative Democracy Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 175 places, 20,734 data points, 1900–2025
Last refreshed: 07 August 2026

Central estimate of the extent of suffrage, the freedom and fairness of elections, freedoms of association and expression, as well as the extent to which political elites justify their positions, justify them with the common good, acknowledge counterarguments, consult elites in policy changes, and society deliberates policy changes.