Which has higher centralization of political power index, Sudan or Yemen?

Sudan, at 0.883 against 0.848 in Yemen as of 2025.

How many years of comparable data are there for Sudan and Yemen?

113 years are reported by both, from 1821 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.

Sudan vs Yemen: Centralization of Political Power Index

Sudan

0.883

in 2025

Yemen

0.848

in 2025

Sudan rank

22nd

Yemen rank

25th

Centralization of Political Power Index over time

Sudan
Yemen

How they compare

Sudan currently reports 0.883 against 0.848 in Yemen, a difference of 0.035.

The two have swapped places 5 times across 113 shared years of data; in 1821 it was Yemen ahead.

Sudan ranks 22nd and Yemen ranks 25th of 176 countries.

Across the 13 decades both report, Sudan averaged higher in 5 and Yemen in 8.

Head to head by decade

Decade	Sudan	Yemen	Difference	Ahead
1820s	0.8539	0.941	0.0871	Yemen
1830s	0.862	0.941	0.079	Yemen
1840s	0.8156	0.941	0.1254	Yemen
1850s	0.713	0.9266	0.2136	Yemen
1860s	0.6557	0.9086	0.2529	Yemen
1870s	0.541	0.8351	0.2941	Yemen
1880s	0.342	0.857	0.515	Yemen
1900s	0.755	0.8123	0.0573	Yemen
1910s	0.755	0.6673	0.0877	Sudan
1990s	0.9654	0.6336	0.3319	Sudan
2000s	0.9141	0.6655	0.2486	Sudan
2010s	0.8774	0.7771	0.1003	Sudan
2020s	0.8585	0.8528	0.0057	Sudan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Sudan or Yemen?: Sudan, at 0.883 against 0.848 in Yemen as of 2025.
What is the difference in centralization of political power index between Sudan and Yemen?: 0.035, with Sudan ahead.
How many years of comparable data are there for Sudan and Yemen?: 113 years are reported by both, from 1821 to 2025.
How do Sudan and Yemen rank globally for centralization of political power index?: Sudan ranks 22nd and Yemen ranks 25th 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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Sudan vs Yemen: 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/sudan/yemen-rep/

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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.