Share of freshwater Key Biodiversity Areas that are protected in Sierra Leone
Sierra Leone: Share of freshwater Key Biodiversity Areas that are protected was 71.1% in 2025. ▲ Rising
Share of freshwater Key Biodiversity Areas that are protected in Sierra Leone, 2000–2025
Source: BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data. Measured in %.
Analysis
In 2025, share of freshwater key biodiversity areas that are protected in Sierra Leone stood at 71.1%. That is the highest value across all 26 years on record.
That represents a change of unchanged over ten years.
Over the whole period, share of freshwater key biodiversity areas that are protected in Sierra Leone peaked at 71.1% in 2012 and was at its lowest, 56.4%, in 2000.
That places Sierra Leone 55th out of 164 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 26 years of available data.
Share of freshwater Key Biodiversity Areas that are protected in Sierra Leone, year by year
| Year | % | Change |
|---|---|---|
| 2000 | 56.4% | — |
| 2001 | 56.4% | +0.0% |
| 2002 | 56.4% | +0.0% |
| 2003 | 56.4% | +0.0% |
| 2004 | 56.4% | +0.0% |
| 2005 | 56.4% | +0.0% |
| 2006 | 56.4% | +0.0% |
| 2007 | 56.4% | +0.0% |
| 2008 | 56.4% | +0.0% |
| 2009 | 56.4% | +0.0% |
| 2010 | 67.7% | +19.9% |
| 2011 | 67.7% | +0.0% |
| 2012 | 71.1% | +5.1% |
| 2013 | 71.1% | +0.0% |
| 2014 | 71.1% | +0.0% |
| 2015 | 71.1% | +0.0% |
| 2016 | 71.1% | +0.0% |
| 2017 | 71.1% | +0.0% |
| 2018 | 71.1% | +0.0% |
| 2019 | 71.1% | +0.0% |
| 2020 | 71.1% | +0.0% |
| 2021 | 71.1% | +0.0% |
| 2022 | 71.1% | +0.0% |
| 2023 | 71.1% | +0.0% |
| 2024 | 71.1% | +0.0% |
| 2025 | 71.1% | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 56.4% | 56.4% | 56.4% | 10 |
| 2010s | 70.4% | 67.7% | 71.1% | 10 |
| 2020s | 71.1% | 71.1% | 71.1% | 6 |
Countries ranked near Sierra Leone
More environment data for Sierra Leone
- Historical exposure to drought — Land soil moisture anomaly -5.4 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -5.39 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.232 °C (2025)
- Temperature change 1.28 °C (2025)
- Paper and paperboard — Import quantity, annual growth rate -31.66 % change on previous year (2024)
- Paper and paperboard — Import quantity, per unit of GDP 0 t per US$ of GDP (2024)
- Paper and paperboard — Import quantity, per capita 0.0003 t per person (2024)
- Paper and paperboard — Import value, annual growth rate -31.69 % change on previous year (2024)
- Paper and paperboard — Import value, per unit of GDP 0 1000 USD per US$ of GDP (2024)
Frequently asked questions
- What is share of freshwater key biodiversity areas that are protected in Sierra Leone?
- Share of freshwater key biodiversity areas that are protected in Sierra Leone was 71.1% in 2025, according to BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data.
- What is the highest share of freshwater key biodiversity areas that are protected recorded in Sierra Leone?
- The highest recorded value was 71.1% in 2012.
- What is the lowest share of freshwater key biodiversity areas that are protected recorded in Sierra Leone?
- The lowest recorded value was 56.4% in 2000.
- How does Sierra Leone rank for share of freshwater key biodiversity areas that are protected?
- Sierra Leone ranks 55th out of 164 countries with data for 2025.
- Is share of freshwater key biodiversity areas that are protected rising or falling in Sierra Leone?
- Over the last ten years it is unchanged. The long-run trend across the full record is rising.
- Where does this Sierra Leone data come from?
- The figures come from BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data, published as part of Share of freshwater Key Biodiversity Areas that are protected. Statizoid updates them automatically from the source API.
Download this data
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About this data
Average proportion of Freshwater Key Biodiversity Areas (KBAs) covered by protected areas (%).