What is liberal political institutions index in Japan?

Liberal political institutions index in Japan was 0.905 in 2025, according to V-Dem (2026) – processed by Our World in Data.

What is the highest liberal political institutions index recorded in Japan?

The highest recorded value was 0.92 in 2000.

What is the lowest liberal political institutions index recorded in Japan?

The lowest recorded value was 0.06 in 1790.

How does Japan rank for liberal political institutions index?

Japan ranks 24th out of 176 countries with data for 2025.

Is liberal political institutions index rising or falling in Japan?

Over the last ten years it is down 1.2%. 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 Liberal Political Institutions Index. Statizoid updates them automatically from the source API.

Liberal Political Institutions Index in Japan

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

Japan: Liberal Political Institutions Index was 0.905 in 2025. ◆ Volatile

Latest (2025)

0.905

Change on year

unchanged

World rank

24th

of 176 countries

All-time high

0.92

in 2000

All-time low

0.06

in 1790

Years of data

237

1789–2025

Liberal Political Institutions Index in Japan, 1789–2025

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

Analysis

Japan recorded 0.905 for liberal political institutions index in 2025.

That represents a change of down 1.2% over ten years.

Over the whole period, liberal political institutions index in Japan peaked at 0.92 in 2000 and was at its lowest, 0.06, in 1790.

That places Japan 24th out of 176 countries with data for 2025, putting it in the top quarter.

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

Averages by decade

Decade	Average	Lowest	Highest	Years
1780s	0.072	0.072	0.072	1
1790s	0.06	0.06	0.06	10
1800s	0.06	0.06	0.06	10
1810s	0.06	0.06	0.06	10
1820s	0.06	0.06	0.06	10
1830s	0.06	0.06	0.06	10
1840s	0.06	0.06	0.06	10
1850s	0.0658	0.063	0.069	10
1860s	0.0793	0.072	0.145	10
1870s	0.3428	0.286	0.403	10
1880s	0.4034	0.403	0.407	10
1890s	0.6022	0.578	0.622	10
1900s	0.6437	0.639	0.646	10
1910s	0.6571	0.645	0.666	10
1920s	0.6628	0.661	0.664	10
1930s	0.6497	0.639	0.661	10
1940s	0.7083	0.614	0.883	10
1950s	0.9026	0.883	0.911	10
1960s	0.9121	0.911	0.913	10
1970s	0.9074	0.905	0.908	10
1980s	0.908	0.908	0.908	10
1990s	0.9116	0.908	0.914	10
2000s	0.92	0.92	0.92	10
2010s	0.9172	0.915	0.92	10
2020s	0.9037	0.899	0.907	6

Countries ranked near Japan

22 Brazil 0.908 compare
22 Latvia 0.908 compare
25 United Kingdom 0.904 compare
26 Iceland 0.9 compare
27 Luxembourg 0.893 compare

See the full ranking of 176 places →

More reference data data for Japan

Temperature anomalies by month -0.7172 °C (2026)
Spring temperature anomalies 1.24 °C (2026)
Summer temperature anomalies 0.1053 °C (2026)
Chief executive of the government is elected 1 (2025)
Civil liberties rating 1 (2025)
Free country 2 (2025)
Democracy 7 (2025)
Consumer price index 118.04 2010 = 100 (2025)
Competitive elections 1 (2025)
Autumn temperature anomalies 1.9 °C (2025)

All data for Japan →

Frequently asked questions

What is liberal political institutions index in Japan?: Liberal political institutions index in Japan was 0.905 in 2025, according to V-Dem (2026) – processed by Our World in Data.
What is the highest liberal political institutions index recorded in Japan?: The highest recorded value was 0.92 in 2000.
What is the lowest liberal political institutions index recorded in Japan?: The lowest recorded value was 0.06 in 1790.
How does Japan rank for liberal political institutions index?: Japan ranks 24th out of 176 countries with data for 2025.
Is liberal political institutions index rising or falling in Japan?: Over the last ten years it is down 1.2%. 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 Liberal Political Institutions 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: Liberal Political Institutions Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 176 places, 29,207 data points, 1789–2025
Last refreshed: 07 August 2026

Central estimate of the extent of individual and minority rights, equality before the law, and executive constraints.