Bulgaria vs Slovenia: Political centralization index

Bulgaria
0.165
in 2025
Slovenia
0.172
in 2025
Bulgaria rank
124th
Slovenia rank
121st

Political centralization index over time

  • Bulgaria
  • Slovenia
00.20.40.60.81178919072025

How they compare

Slovenia currently reports 0.172 against 0.165 in Bulgaria, a difference of 0.007.

The two have swapped places 8 times across 222 shared years of data; in 1804 it was Slovenia ahead.

Bulgaria ranks 124th and Slovenia ranks 121st of 176 countries.

Across the 23 decades both report, Bulgaria averaged higher in 16 and Slovenia in 7.

Head to head by decade

Decade Bulgaria Slovenia Difference Ahead
1800s 0.925 0.947 0.022 Slovenia
1810s 0.925 0.947 0.022 Slovenia
1820s 0.925 0.947 0.022 Slovenia
1830s 0.925 0.947 0.022 Slovenia
1840s 0.925 0.919 0.006 Bulgaria
1850s 0.925 0.9243 0.0007 Bulgaria
1860s 0.9102 0.712 0.1982 Bulgaria
1870s 0.7861 0.271 0.5151 Bulgaria
1880s 0.5588 0.268 0.2908 Bulgaria
1890s 0.552 0.268 0.284 Bulgaria
1900s 0.529 0.268 0.261 Bulgaria
1910s 0.5269 0.3124 0.2145 Bulgaria
1920s 0.5373 0.6909 0.1536 Slovenia
1930s 0.5795 0.8097 0.2302 Slovenia
1940s 0.6977 0.8292 0.1315 Slovenia
1950s 0.8223 0.76 0.0623 Bulgaria
1960s 0.825 0.6949 0.1301 Bulgaria
1970s 0.825 0.6554 0.1696 Bulgaria
1980s 0.825 0.6081 0.2169 Bulgaria
1990s 0.169 0.1065 0.0625 Bulgaria
2000s 0.1409 0.1207 0.0202 Bulgaria
2010s 0.146 0.0901 0.0559 Bulgaria
2020s 0.1482 0.1378 0.0103 Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher political centralization index, Bulgaria or Slovenia?
Slovenia, at 0.172 against 0.165 in Bulgaria as of 2025.
What is the difference in political centralization index between Bulgaria and Slovenia?
0.007, with Slovenia ahead.
How many years of comparable data are there for Bulgaria and Slovenia?
222 years are reported by both, from 1804 to 2025.
How do Bulgaria and Slovenia rank globally for political centralization index?
Bulgaria ranks 124th and Slovenia ranks 121st of 176 countries.
Where does this data come from?
Our World in Data, published as Political centralization index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Bulgaria vs Slovenia: Political centralization index. Statizoid, drawing on Our World in Data. Retrieved 15 November 2026, from https://reference.statizoid.com/compare/political-centralization-index/bulgaria/slovenia/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://reference.statizoid.com/compare/political-centralization-index/bulgaria/slovenia/">Bulgaria vs Slovenia: Political centralization index</a> — Statizoid

About this data

Indicator
Political centralization index
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
176 places, 29,802 data points, 1789–2025
Last refreshed