Protected area coverage of mountain key biodiversity areas in Sierra Leone
Sierra Leone: Protected area coverage of mountain key biodiversity areas was 60.7% in 2025. ▲ Rising
Protected area coverage of mountain key biodiversity areas in Sierra Leone, 2000–2025
Source: BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data. Measured in %.
Analysis
Sierra Leone recorded 60.7% for protected area coverage of mountain key biodiversity areas in 2025. That is the highest value across all 26 years on record.
The figure is unchanged over ten years.
Over the whole period, protected area coverage of mountain key biodiversity areas in Sierra Leone peaked at 60.7% in 2012 and was at its lowest, 55.1%, in 2000.
That places Sierra Leone 73rd out of 184 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.
Protected area coverage of mountain key biodiversity areas in Sierra Leone, year by year
| Year | % | Change |
|---|---|---|
| 2000 | 55.1% | — |
| 2001 | 55.1% | +0.0% |
| 2002 | 55.1% | +0.0% |
| 2003 | 55.1% | +0.0% |
| 2004 | 55.1% | +0.0% |
| 2005 | 55.1% | +0.0% |
| 2006 | 55.1% | +0.0% |
| 2007 | 55.1% | +0.0% |
| 2008 | 55.1% | +0.0% |
| 2009 | 55.1% | +0.0% |
| 2010 | 55.1% | +0.0% |
| 2011 | 55.1% | +0.0% |
| 2012 | 60.7% | +10.1% |
| 2013 | 60.7% | +0.0% |
| 2014 | 60.7% | +0.0% |
| 2015 | 60.7% | +0.0% |
| 2016 | 60.7% | +0.0% |
| 2017 | 60.7% | +0.0% |
| 2018 | 60.7% | +0.0% |
| 2019 | 60.7% | +0.0% |
| 2020 | 60.7% | +0.0% |
| 2021 | 60.7% | +0.0% |
| 2022 | 60.7% | +0.0% |
| 2023 | 60.7% | +0.0% |
| 2024 | 60.7% | +0.0% |
| 2025 | 60.7% | +0.0% |
Sierra Leone compared with similar countries
- Sierra Leone's 60.7% is above the median for low income countries, which is 41.0%, 1.5× the median. (22 countries reporting)
- Sierra Leone's 60.7% is above the median for Sub-Saharan Africa, which is 51.7%, 1.2× the median. (44 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 55.1% | 55.1% | 55.1% | 10 |
| 2010s | 59.6% | 55.1% | 60.7% | 10 |
| 2020s | 60.7% | 60.7% | 60.7% | 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)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 1.72 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate 1.11 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is protected area coverage of mountain key biodiversity areas in Sierra Leone?
- Protected area coverage of mountain key biodiversity areas in Sierra Leone was 60.7% in 2025, according to BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data.
- What is the highest protected area coverage of mountain key biodiversity areas recorded in Sierra Leone?
- The highest recorded value was 60.7% in 2012.
- What is the lowest protected area coverage of mountain key biodiversity areas recorded in Sierra Leone?
- The lowest recorded value was 55.1% in 2000.
- How does Sierra Leone rank for protected area coverage of mountain key biodiversity areas?
- Sierra Leone ranks 73rd out of 184 countries with data for 2025.
- Is protected area coverage of mountain key biodiversity areas 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 Protected area coverage of mountain key biodiversity areas. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 26 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Average proportion of Mountain Key Biodiversity Areas (KBAs) covered by protected areas (%).