Portugal vs Sierra Leone: Share of freshwater Key Biodiversity Areas that are protected
Portugal
68.7%
in 2025
Sierra Leone
71.1%
in 2025
Portugal rank
57th
Sierra Leone rank
55th
Share of freshwater Key Biodiversity Areas that are protected over time
- Portugal
- Sierra Leone
How they compare
Sierra Leone currently reports 71.1% against 68.7% in Portugal, a difference of 2.4%.
The two have swapped places 2 times across 26 shared years of data; in 2000 it was Sierra Leone ahead.
Portugal ranks 57th and Sierra Leone ranks 55th of 164 countries.
Sierra Leone has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Portugal | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 55.9% | 56.4% | 0.5% | Sierra Leone |
| 2010s | 68.6% | 70.4% | 1.8% | Sierra Leone |
| 2020s | 68.7% | 71.1% | 2.5% | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of freshwater key biodiversity areas that are protected, Portugal or Sierra Leone?
- Sierra Leone, at 71.1% against 68.7% in Portugal as of 2025.
- What is the difference in share of freshwater key biodiversity areas that are protected between Portugal and Sierra Leone?
- 2.4%, with Sierra Leone ahead.
- How many years of comparable data are there for Portugal and Sierra Leone?
- 26 years are reported by both, from 2000 to 2025.
- How do Portugal and Sierra Leone rank globally for share of freshwater key biodiversity areas that are protected?
- Portugal ranks 57th and Sierra Leone ranks 55th of 164 countries.
- Where does this data come from?
- BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data, published as Share of freshwater Key Biodiversity Areas that are protected. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Average proportion of Freshwater Key Biodiversity Areas (KBAs) covered by protected areas (%).