Which has higher centralization of political power index, Japan or Vanuatu?

Japan, at 0.094 against 0.093 in Vanuatu as of 2025.

How many years of comparable data are there for Japan and Vanuatu?

126 years are reported by both, from 1900 to 2025.

Where does this data come from?

V-Dem (2026) – processed by Our World in Data, published as Centralization of Political Power Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Japan vs Vanuatu: Centralization of Political Power Index

Japan

0.094

in 2025

Vanuatu

0.093

in 2025

Japan rank

143rd

Vanuatu rank

144th

Centralization of Political Power Index over time

Japan
Vanuatu

How they compare

Japan currently reports 0.094 against 0.093 in Vanuatu, a difference of 0.001.

The two have swapped places 1 time across 126 shared years of data; in 1900 it was Vanuatu ahead.

Japan ranks 143rd and Vanuatu ranks 144th of 176 countries.

Across the 13 decades both report, Japan averaged higher in 1 and Vanuatu in 12.

Head to head by decade

Decade	Japan	Vanuatu	Difference	Ahead
1900s	0.3324	0.4022	0.0698	Vanuatu
1910s	0.3299	0.353	0.0231	Vanuatu
1920s	0.322	0.353	0.031	Vanuatu
1930s	0.3285	0.353	0.0245	Vanuatu
1940s	0.2634	0.353	0.0896	Vanuatu
1950s	0.0914	0.353	0.2616	Vanuatu
1960s	0.091	0.353	0.262	Vanuatu
1970s	0.091	0.1798	0.0888	Vanuatu
1980s	0.091	0.12	0.029	Vanuatu
1990s	0.091	0.1158	0.0248	Vanuatu
2000s	0.082	0.113	0.031	Vanuatu
2010s	0.0898	0.0989	0.0091	Vanuatu
2020s	0.0973	0.0915	0.0058	Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Japan or Vanuatu?: Japan, at 0.094 against 0.093 in Vanuatu as of 2025.
What is the difference in centralization of political power index between Japan and Vanuatu?: 0.001, with Japan ahead.
How many years of comparable data are there for Japan and Vanuatu?: 126 years are reported by both, from 1900 to 2025.
How do Japan and Vanuatu rank globally for centralization of political power index?: Japan ranks 143rd and Vanuatu ranks 144th of 176 countries.
Where does this data come from?: V-Dem (2026) – processed by Our World in Data, published as Centralization of Political Power Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs Vanuatu: Centralization of Political Power Index. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 22 September 2026, from https://reference.statizoid.com/compare/political-centralization-index/japan/vanuatu/

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About this data

Indicator: Centralization of Political Power Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 176 places, 29,802 data points, 1789–2025
Last refreshed: 18 September 2026

Central estimate of the extent to which the executive is unconstrained by the legislature, judiciary, electoral management body, and other oversight.