Which has higher academic freedom index, Bulgaria or Sierra Leone?

Sierra Leone, at 0.862 against 0.85 in Bulgaria as of 2025.

What is the difference in academic freedom index between Bulgaria and Sierra Leone?

0.012, with Sierra Leone ahead.

How many years of comparable data are there for Bulgaria and Sierra Leone?

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 Academic Freedom Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Sierra Leone: Academic Freedom Index

Bulgaria

0.85

in 2025

Sierra Leone

0.862

in 2025

Bulgaria rank

35th

Sierra Leone rank

32nd

Academic Freedom Index over time

Bulgaria
Sierra Leone

How they compare

Sierra Leone currently reports 0.862 against 0.85 in Bulgaria, a difference of 0.012.

The two have swapped places 5 times across 126 shared years of data; in 1900 it was Bulgaria ahead.

Bulgaria ranks 35th and Sierra Leone ranks 32nd of 174 countries.

Across the 13 decades both report, Bulgaria averaged higher in 7 and Sierra Leone in 6.

Head to head by decade

Decade	Bulgaria	Sierra Leone	Difference	Ahead
1900s	0.5995	0.478	0.1215	Bulgaria
1910s	0.6208	0.478	0.1428	Bulgaria
1920s	0.5508	0.478	0.0728	Bulgaria
1930s	0.5389	0.478	0.0609	Bulgaria
1940s	0.2741	0.478	0.2039	Sierra Leone
1950s	0.0827	0.4764	0.3937	Sierra Leone
1960s	0.105	0.5879	0.4829	Sierra Leone
1970s	0.113	0.4446	0.3316	Sierra Leone
1980s	0.1427	0.432	0.2893	Sierra Leone
1990s	0.8843	0.4682	0.4161	Bulgaria
2000s	0.9362	0.8156	0.1206	Bulgaria
2010s	0.9123	0.8592	0.0531	Bulgaria
2020s	0.8538	0.8622	0.0083	Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher academic freedom index, Bulgaria or Sierra Leone?: Sierra Leone, at 0.862 against 0.85 in Bulgaria as of 2025.
What is the difference in academic freedom index between Bulgaria and Sierra Leone?: 0.012, with Sierra Leone ahead.
How many years of comparable data are there for Bulgaria and Sierra Leone?: 126 years are reported by both, from 1900 to 2025.
How do Bulgaria and Sierra Leone rank globally for academic freedom index?: Bulgaria ranks 35th and Sierra Leone ranks 32nd of 174 countries.
Where does this data come from?: V-Dem (2026) – processed by Our World in Data, published as Academic Freedom Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Sierra Leone: Academic Freedom Index. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 07 November 2026, from https://social-development.statizoid.com/compare/academic-freedom-index/bulgaria/sierra-leone/

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<a href="https://social-development.statizoid.com/compare/academic-freedom-index/bulgaria/sierra-leone/">Bulgaria vs Sierra Leone: Academic Freedom Index</a> — Statizoid

About this data

Indicator: Academic Freedom Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 174 places, 16,942 data points, 1900–2025
Last refreshed: 30 October 2026

Central estimate of the extent to which academics can research, teach, publish, express opinions, and participate in academic bodies without interference, censorship, or institutional restrictions, and universities exercise institutional autonomy.