Which has higher liberal political institutions index, Bulgaria or Sao Tome and Principe?

Bulgaria, at 0.826 against 0.815 in Sao Tome and Principe as of 2025.

How many years of comparable data are there for Bulgaria and Sao Tome and Principe?

126 years are reported by both, from 1900 to 2025.

Where does this data come from?

V-Dem (2026) – processed by Our World in Data, published as Liberal Political Institutions Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Sao Tome and Principe: Liberal Political Institutions Index

Bulgaria

0.826

in 2025

Sao Tome and Principe

0.815

in 2025

Bulgaria rank

46th

Sao Tome and Principe rank

48th

Liberal Political Institutions Index over time

Bulgaria
Sao Tome and Principe

How they compare

Bulgaria currently reports 0.826 against 0.815 in Sao Tome and Principe, a difference of 0.011.

The two have swapped places 8 times across 126 shared years of data; in 1900 it was Bulgaria ahead.

Bulgaria ranks 46th and Sao Tome and Principe ranks 48th of 176 countries.

Across the 13 decades both report, Bulgaria averaged higher in 8 and Sao Tome and Principe in 5.

Head to head by decade

Decade	Bulgaria	Sao Tome and Principe	Difference	Ahead
1900s	0.5342	0.325	0.2092	Bulgaria
1910s	0.5356	0.325	0.2106	Bulgaria
1920s	0.5041	0.325	0.1791	Bulgaria
1930s	0.4229	0.325	0.0979	Bulgaria
1940s	0.2999	0.325	0.0251	Sao Tome and Principe
1950s	0.1417	0.3243	0.1826	Sao Tome and Principe
1960s	0.1409	0.3357	0.1948	Sao Tome and Principe
1970s	0.146	0.4384	0.2924	Sao Tome and Principe
1980s	0.1464	0.526	0.3796	Sao Tome and Principe
1990s	0.8471	0.7552	0.0919	Bulgaria
2000s	0.8672	0.8006	0.0666	Bulgaria
2010s	0.8356	0.823	0.0126	Bulgaria
2020s	0.8465	0.833	0.0135	Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher liberal political institutions index, Bulgaria or Sao Tome and Principe?: Bulgaria, at 0.826 against 0.815 in Sao Tome and Principe as of 2025.
What is the difference in liberal political institutions index between Bulgaria and Sao Tome and Principe?: 0.011, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Sao Tome and Principe?: 126 years are reported by both, from 1900 to 2025.
How do Bulgaria and Sao Tome and Principe rank globally for liberal political institutions index?: Bulgaria ranks 46th and Sao Tome and Principe ranks 48th of 176 countries.
Where does this data come from?: V-Dem (2026) – processed by Our World in Data, published as Liberal Political Institutions Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Sao Tome and Principe: Liberal Political Institutions Index. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 29 August 2026, from https://reference.statizoid.com/compare/liberal-political-institutions-index/bulgaria/sao-tome-and-principe/

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About this data

Indicator: Liberal Political Institutions Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 176 places, 29,207 data points, 1789–2025
Last refreshed: 28 August 2026

Central estimate of the extent of individual and minority rights, equality before the law, and executive constraints.