Which has higher centralization of political power index, Iceland or Ireland?

Iceland, at 0.045 against 0.039 in Ireland as of 2025.

How many years of comparable data are there for Iceland and Ireland?

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.

Iceland vs Ireland: Centralization of Political Power Index

Iceland

0.045

in 2025

Ireland

0.039

in 2025

Iceland rank

159th

Ireland rank

162nd

Centralization of Political Power Index over time

Iceland
Ireland

How they compare

Iceland currently reports 0.045 against 0.039 in Ireland, a difference of 0.006.

That makes Iceland's figure about 1.2 times Ireland's.

The two have swapped places 7 times across 126 shared years of data; in 1900 it was Ireland ahead.

Iceland ranks 159th and Ireland ranks 162nd of 176 countries.

Across the 13 decades both report, Iceland averaged higher in 8 and Ireland in 5.

Head to head by decade

Decade	Iceland	Ireland	Difference	Ahead
1900s	0.068	0.137	0.069	Ireland
1910s	0.0676	0.1494	0.0818	Ireland
1920s	0.066	0.1031	0.0371	Ireland
1930s	0.065	0.071	0.006	Ireland
1940s	0.0638	0.0726	0.0088	Ireland
1950s	0.063	0.0522	0.0108	Iceland
1960s	0.063	0.0505	0.0125	Iceland
1970s	0.063	0.0452	0.0178	Iceland
1980s	0.0608	0.0554	0.0054	Iceland
1990s	0.057	0.0515	0.0055	Iceland
2000s	0.0569	0.048	0.0089	Iceland
2010s	0.0589	0.0475	0.0114	Iceland
2020s	0.0532	0.0402	0.013	Iceland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Iceland or Ireland?: Iceland, at 0.045 against 0.039 in Ireland as of 2025.
What is the difference in centralization of political power index between Iceland and Ireland?: 0.006, with Iceland ahead.
How many years of comparable data are there for Iceland and Ireland?: 126 years are reported by both, from 1900 to 2025.
How do Iceland and Ireland rank globally for centralization of political power index?: Iceland ranks 159th and Ireland ranks 162nd 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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Iceland vs Ireland: Centralization of Political Power Index. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/compare/political-centralization-index/iceland/ireland/

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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.