What is the difference in centralization of political power index between Ghana and United States?

0.004, with United States ahead.

How many years of comparable data are there for Ghana and United States?

124 years are reported by both, from 1902 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.

Ghana vs United States: Centralization of Political Power Index

Ghana

0.149

in 2025

United States

0.153

in 2025

Ghana rank

129th

United States rank

127th

Centralization of Political Power Index over time

Ghana
United States

How they compare

United States currently reports 0.153 against 0.149 in Ghana, a difference of 0.004.

The two have swapped places 1 time across 124 shared years of data; in 1902 it was Ghana ahead.

Ghana ranks 129th and United States ranks 127th of 173 countries.

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

Head to head by decade

Decade	Ghana	United States	Difference	Ahead
1900s	0.504	0.092	0.412	Ghana
1910s	0.48	0.0926	0.3874	Ghana
1920s	0.48	0.1088	0.3712	Ghana
1930s	0.48	0.099	0.381	Ghana
1940s	0.4776	0.0959	0.3817	Ghana
1950s	0.318	0.0937	0.2243	Ghana
1960s	0.4182	0.1082	0.31	Ghana
1970s	0.512	0.058	0.454	Ghana
1980s	0.5474	0.0516	0.4958	Ghana
1990s	0.2799	0.0495	0.2304	Ghana
2000s	0.1155	0.0436	0.0719	Ghana
2010s	0.124	0.0449	0.0791	Ghana
2020s	0.1475	0.0808	0.0667	Ghana

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Ghana or United States?: United States, at 0.153 against 0.149 in Ghana as of 2025.
What is the difference in centralization of political power index between Ghana and United States?: 0.004, with United States ahead.
How many years of comparable data are there for Ghana and United States?: 124 years are reported by both, from 1902 to 2025.
How do Ghana and United States rank globally for centralization of political power index?: Ghana ranks 129th and United States ranks 127th of 173 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.

Individual pages

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: 07 August 2026

Central estimate of the extent to which the executive is unconstrained by the legislature, judiciary, electoral management body, and other oversight.