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

123 years are reported by both, from 1903 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 Seychelles: Centralization of Political Power Index

Iceland

0.045

in 2025

Seychelles

0.045

in 2025

Iceland rank

159th

Seychelles rank

159th

Centralization of Political Power Index over time

Iceland
Seychelles

How they compare

Iceland currently reports 0.045 against 0.045 in Seychelles, a difference of 0.

The two have swapped places 2 times across 123 shared years of data; in 1903 it was Seychelles ahead.

Iceland ranks 159th and Seychelles ranks 159th of 176 countries.

Seychelles has averaged higher in every one of the 13 decades both report.

Head to head by decade

Decade	Iceland	Seychelles	Difference	Ahead
1900s	0.068	0.798	0.73	Seychelles
1910s	0.0676	0.798	0.7304	Seychelles
1920s	0.066	0.798	0.732	Seychelles
1930s	0.065	0.798	0.733	Seychelles
1940s	0.0638	0.7752	0.7114	Seychelles
1950s	0.063	0.616	0.553	Seychelles
1960s	0.063	0.6169	0.5539	Seychelles
1970s	0.063	0.5518	0.4888	Seychelles
1980s	0.0608	0.5306	0.4698	Seychelles
1990s	0.057	0.4535	0.3965	Seychelles
2000s	0.0569	0.295	0.2381	Seychelles
2010s	0.0589	0.1717	0.1128	Seychelles
2020s	0.0532	0.0578	0.0047	Seychelles

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Iceland or Seychelles?: Iceland, at 0.045 against 0.045 in Seychelles as of 2025.
What is the difference in centralization of political power index between Iceland and Seychelles?: 0, with Iceland ahead.
How many years of comparable data are there for Iceland and Seychelles?: 123 years are reported by both, from 1903 to 2025.
How do Iceland and Seychelles rank globally for centralization of political power index?: Iceland ranks 159th and Seychelles ranks 159th 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 Seychelles: 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/seychelles/

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<a href="https://reference.statizoid.com/compare/political-centralization-index/iceland/seychelles/">Iceland vs Seychelles: Centralization of Political Power Index</a> — Statizoid

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.