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

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.

Madagascar vs Somalia: Centralization of Political Power Index

Madagascar

0.733

in 2025

Somalia

0.74

in 2025

Madagascar rank

50th

Somalia rank

48th

Centralization of Political Power Index over time

Madagascar
Somalia

How they compare

Somalia currently reports 0.74 against 0.733 in Madagascar, a difference of 0.007.

The two have swapped places 6 times across 126 shared years of data; in 1900 it was Somalia ahead.

Madagascar ranks 50th and Somalia ranks 48th of 176 countries.

Across the 13 decades both report, Madagascar averaged higher in 2 and Somalia in 11.

Head to head by decade

Decade	Madagascar	Somalia	Difference	Ahead
1900s	0.711	0.79	0.079	Somalia
1910s	0.711	0.79	0.079	Somalia
1920s	0.7083	0.79	0.0817	Somalia
1930s	0.708	0.79	0.082	Somalia
1940s	0.6939	0.7657	0.0718	Somalia
1950s	0.623	0.6315	0.0085	Somalia
1960s	0.6965	0.4614	0.2351	Madagascar
1970s	0.7962	0.9363	0.1401	Somalia
1980s	0.8054	0.898	0.0926	Somalia
1990s	0.6054	0.9362	0.3308	Somalia
2000s	0.6222	0.8676	0.2454	Somalia
2010s	0.7245	0.6986	0.0259	Madagascar
2020s	0.7228	0.7355	0.0127	Somalia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Madagascar or Somalia?: Somalia, at 0.74 against 0.733 in Madagascar as of 2025.
What is the difference in centralization of political power index between Madagascar and Somalia?: 0.007, with Somalia ahead.
How many years of comparable data are there for Madagascar and Somalia?: 126 years are reported by both, from 1900 to 2025.
How do Madagascar and Somalia rank globally for centralization of political power index?: Madagascar ranks 50th and Somalia ranks 48th 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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Madagascar vs Somalia: 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/madagascar/somalia-fed-rep/

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<a href="https://reference.statizoid.com/compare/political-centralization-index/madagascar/somalia-fed-rep/">Madagascar vs Somalia: 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.