Which has higher centralization of political power index, Italy or Slovakia?

Italy, at 0.162 against 0.155 in Slovakia as of 2025.

How many years of comparable data are there for Italy and Slovakia?

211 years are reported by both, from 1815 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.

Italy vs Slovakia: Centralization of Political Power Index

Italy

0.162

in 2025

Slovakia

0.155

in 2025

Italy rank

124th

Slovakia rank

126th

Centralization of Political Power Index over time

Italy
Slovakia

How they compare

Italy currently reports 0.162 against 0.155 in Slovakia, a difference of 0.007.

The two have swapped places 10 times across 211 shared years of data; in 1815 it was Italy ahead.

Italy ranks 124th and Slovakia ranks 126th of 173 countries.

Across the 22 decades both report, Italy averaged higher in 13 and Slovakia in 9.

Head to head by decade

Decade	Italy	Slovakia	Difference	Ahead
1810s	0.767	0.661	0.106	Italy
1820s	0.767	0.661	0.106	Italy
1830s	0.767	0.661	0.106	Italy
1840s	0.7562	0.5899	0.1663	Italy
1850s	0.713	0.7117	0.0013	Italy
1860s	0.4474	0.5143	0.0669	Slovakia
1870s	0.3846	0.29	0.0946	Italy
1880s	0.38	0.29	0.09	Italy
1890s	0.3944	0.29	0.1044	Italy
1900s	0.3946	0.2945	0.1001	Italy
1910s	0.3979	0.2884	0.1095	Italy
1920s	0.7278	0.229	0.4988	Italy
1930s	0.944	0.2954	0.6486	Italy
1940s	0.6104	0.8296	0.2192	Slovakia
1950s	0.2124	0.949	0.7366	Slovakia
1960s	0.166	0.9337	0.7677	Slovakia
1970s	0.1435	0.9362	0.7927	Slovakia
1980s	0.138	0.9311	0.7931	Slovakia
1990s	0.1077	0.1752	0.0675	Slovakia
2000s	0.0993	0.1038	0.0045	Slovakia
2010s	0.0911	0.1164	0.0253	Slovakia
2020s	0.1157	0.0877	0.028	Italy

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Italy or Slovakia?: Italy, at 0.162 against 0.155 in Slovakia as of 2025.
What is the difference in centralization of political power index between Italy and Slovakia?: 0.007, with Italy ahead.
How many years of comparable data are there for Italy and Slovakia?: 211 years are reported by both, from 1815 to 2025.
How do Italy and Slovakia rank globally for centralization of political power index?: Italy ranks 124th and Slovakia ranks 126th 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.