Which has higher centralization of political power index, Nigeria or Ukraine?

Ukraine, at 0.531 against 0.49 in Nigeria as of 2025.

How many years of comparable data are there for Nigeria and Ukraine?

80 years are reported by both, from 1946 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.

Nigeria vs Ukraine: Centralization of Political Power Index

Nigeria

0.49

in 2025

Ukraine

0.531

in 2025

Nigeria rank

72nd

Ukraine rank

69th

Centralization of Political Power Index over time

Nigeria
Ukraine

How they compare

Ukraine currently reports 0.531 against 0.49 in Nigeria, a difference of 0.041.

That makes Ukraine's figure about 1.1 times Nigeria's.

The two have swapped places 2 times across 80 shared years of data; in 1946 it was Ukraine ahead.

Nigeria ranks 72nd and Ukraine ranks 69th of 176 countries.

Across the 9 decades both report, Nigeria averaged higher in 1 and Ukraine in 8.

Head to head by decade

Decade	Nigeria	Ukraine	Difference	Ahead
1940s	0.765	0.971	0.206	Ukraine
1950s	0.7525	0.9668	0.2143	Ukraine
1960s	0.5973	0.964	0.3667	Ukraine
1970s	0.6958	0.964	0.2682	Ukraine
1980s	0.6548	0.9545	0.2997	Ukraine
1990s	0.6458	0.6115	0.0343	Nigeria
2000s	0.3962	0.6198	0.2236	Ukraine
2010s	0.3224	0.7311	0.4087	Ukraine
2020s	0.4372	0.5847	0.1475	Ukraine

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Nigeria or Ukraine?: Ukraine, at 0.531 against 0.49 in Nigeria as of 2025.
What is the difference in centralization of political power index between Nigeria and Ukraine?: 0.041, with Ukraine ahead.
How many years of comparable data are there for Nigeria and Ukraine?: 80 years are reported by both, from 1946 to 2025.
How do Nigeria and Ukraine rank globally for centralization of political power index?: Nigeria ranks 72nd and Ukraine ranks 69th 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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Nigeria vs Ukraine: 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/nigeria/ukraine/

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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.