How many years of comparable data are there for Guinea and Madagascar?

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.

Guinea vs Madagascar: Centralization of Political Power Index

Guinea

0.739

in 2025

Madagascar

0.733

in 2025

Guinea rank

49th

Madagascar rank

50th

Centralization of Political Power Index over time

Guinea
Madagascar

How they compare

Guinea currently reports 0.739 against 0.733 in Madagascar, a difference of 0.006.

The two have swapped places 2 times across 126 shared years of data; in 1900 it was Guinea ahead.

Guinea ranks 49th and Madagascar ranks 50th of 176 countries.

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

Head to head by decade

Decade	Guinea	Madagascar	Difference	Ahead
1900s	0.959	0.711	0.248	Guinea
1910s	0.959	0.711	0.248	Guinea
1920s	0.959	0.7083	0.2507	Guinea
1930s	0.948	0.708	0.24	Guinea
1940s	0.9334	0.6939	0.2395	Guinea
1950s	0.9113	0.623	0.2883	Guinea
1960s	0.926	0.6965	0.2295	Guinea
1970s	0.928	0.7962	0.1318	Guinea
1980s	0.9329	0.8054	0.1275	Guinea
1990s	0.8411	0.6054	0.2357	Guinea
2000s	0.8469	0.6222	0.2247	Guinea
2010s	0.817	0.7245	0.0925	Guinea
2020s	0.7652	0.7228	0.0423	Guinea

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Guinea or Madagascar?: Guinea, at 0.739 against 0.733 in Madagascar as of 2025.
What is the difference in centralization of political power index between Guinea and Madagascar?: 0.006, with Guinea ahead.
How many years of comparable data are there for Guinea and Madagascar?: 126 years are reported by both, from 1900 to 2025.
How do Guinea and Madagascar rank globally for centralization of political power index?: Guinea ranks 49th and Madagascar ranks 50th 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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Guinea vs Madagascar: 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/guinea/madagascar/

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<a href="https://reference.statizoid.com/compare/political-centralization-index/guinea/madagascar/">Guinea vs Madagascar: 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.