Bulgaria vs Sierra Leone: Freedom of association index
Bulgaria
0.833
in 2025
Sierra Leone
0.837
in 2025
Bulgaria rank
64th
Sierra Leone rank
62nd
Freedom of association index over time
- Bulgaria
- Sierra Leone
How they compare
Sierra Leone currently reports 0.837 against 0.833 in Bulgaria, a difference of 0.004.
The two have swapped places 9 times across 126 shared years of data; in 1900 it was Bulgaria ahead.
Bulgaria ranks 64th and Sierra Leone ranks 62nd of 176 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 | 0.6443 | 0.19 | 0.4543 | Bulgaria |
| 1910s | 0.6358 | 0.19 | 0.4458 | Bulgaria |
| 1920s | 0.5212 | 0.19 | 0.3312 | Bulgaria |
| 1930s | 0.3043 | 0.19 | 0.1143 | Bulgaria |
| 1940s | 0.1931 | 0.1946 | 0.0015 | Sierra Leone |
| 1950s | 0.0518 | 0.4735 | 0.4217 | Sierra Leone |
| 1960s | 0.0552 | 0.5884 | 0.5332 | Sierra Leone |
| 1970s | 0.064 | 0.3138 | 0.2498 | Sierra Leone |
| 1980s | 0.073 | 0.1088 | 0.0358 | Sierra Leone |
| 1990s | 0.8335 | 0.3609 | 0.4726 | Bulgaria |
| 2000s | 0.8314 | 0.7863 | 0.0451 | Bulgaria |
| 2010s | 0.8231 | 0.8135 | 0.0096 | Bulgaria |
| 2020s | 0.8343 | 0.8358 | 0.0015 | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher freedom of association index, Bulgaria or Sierra Leone?
- Sierra Leone, at 0.837 against 0.833 in Bulgaria as of 2025.
- What is the difference in freedom of association index between Bulgaria and Sierra Leone?
- 0.004, 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 freedom of association index?
- Bulgaria ranks 64th and Sierra Leone ranks 62nd of 176 countries.
- Where does this data come from?
- Our World in Data, published as Freedom of association index. Statizoid refreshes it automatically from the source and publishes the full history for both places.