Sierra Leone vs Slovenia: Protected area coverage of marine key biodiversity areas
Sierra Leone
60.2%
in 2025
Slovenia
62.2%
in 2025
Sierra Leone rank
66th
Slovenia rank
64th
Protected area coverage of marine key biodiversity areas over time
- Sierra Leone
- Slovenia
How they compare
Slovenia currently reports 62.2% against 60.2% in Sierra Leone, a difference of 2.0%.
The two have swapped places 3 times across 26 shared years of data; in 2000 it was Sierra Leone ahead.
Sierra Leone ranks 66th and Slovenia ranks 64th of 190 countries.
Across the 3 decades both report, Sierra Leone averaged higher in 1 and Slovenia in 2.
Head to head by decade
| Decade | Sierra Leone | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 49.3% | 44.8% | 4.5% | Sierra Leone |
| 2010s | 58.0% | 58.0% | 0.1% | Slovenia |
| 2020s | 60.2% | 62.2% | 2.1% | Slovenia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher protected area coverage of marine key biodiversity areas, Sierra Leone or Slovenia?
- Slovenia, at 62.2% against 60.2% in Sierra Leone as of 2025.
- What is the difference in protected area coverage of marine key biodiversity areas between Sierra Leone and Slovenia?
- 2.0%, with Slovenia ahead.
- How many years of comparable data are there for Sierra Leone and Slovenia?
- 26 years are reported by both, from 2000 to 2025.
- How do Sierra Leone and Slovenia rank globally for protected area coverage of marine key biodiversity areas?
- Sierra Leone ranks 66th and Slovenia ranks 64th of 190 countries.
- Where does this data come from?
- BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data, published as Protected area coverage of marine key biodiversity areas. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Average proportion of Marine Key Biodiversity Areas (KBAs) covered by protected areas (%).