Share of terrestrial Key Biodiversity Areas that are protected in Sierra Leone
Sierra Leone: Share of terrestrial Key Biodiversity Areas that are protected was 65.3% in 2025. ▲ Rising
Share of terrestrial 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 terrestrial key biodiversity areas that are protected in Sierra Leone stood at 65.3%. 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 terrestrial key biodiversity areas that are protected in Sierra Leone peaked at 65.3% in 2012 and was at its lowest, 51.6%, in 2000.
Sierra Leone ranks 61st of 240 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 26 years of available data.
Share of terrestrial Key Biodiversity Areas that are protected in Sierra Leone, year by year
| Year | % | Change |
|---|---|---|
| 2000 | 51.6% | — |
| 2001 | 51.6% | +0.0% |
| 2002 | 51.6% | +0.0% |
| 2003 | 51.6% | +0.0% |
| 2004 | 51.6% | +0.0% |
| 2005 | 51.6% | +0.0% |
| 2006 | 51.6% | +0.0% |
| 2007 | 51.6% | +0.0% |
| 2008 | 51.6% | +0.0% |
| 2009 | 51.6% | +0.0% |
| 2010 | 62.1% | +20.3% |
| 2011 | 62.1% | +0.0% |
| 2012 | 65.3% | +5.2% |
| 2013 | 65.3% | +0.0% |
| 2014 | 65.3% | +0.0% |
| 2015 | 65.3% | +0.0% |
| 2016 | 65.3% | +0.0% |
| 2017 | 65.3% | +0.0% |
| 2018 | 65.3% | +0.0% |
| 2019 | 65.3% | +0.0% |
| 2020 | 65.3% | +0.0% |
| 2021 | 65.3% | +0.0% |
| 2022 | 65.3% | +0.0% |
| 2023 | 65.3% | +0.0% |
| 2024 | 65.3% | +0.0% |
| 2025 | 65.3% | +0.0% |
Sierra Leone compared with similar countries
- Sierra Leone's 65.3% is above the median for low income countries, which is 46.4%, 1.4× the median. (25 countries reporting)
- Sierra Leone's 65.3% is above the median for Sub-Saharan Africa, which is 55.5%, 1.2× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 51.6% | 51.6% | 51.6% | 10 |
| 2010s | 64.7% | 62.1% | 65.3% | 10 |
| 2020s | 65.3% | 65.3% | 65.3% | 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 share of terrestrial key biodiversity areas that are protected in Sierra Leone?
- Share of terrestrial key biodiversity areas that are protected in Sierra Leone was 65.3% in 2025, according to BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data.
- What is the highest share of terrestrial key biodiversity areas that are protected recorded in Sierra Leone?
- The highest recorded value was 65.3% in 2012.
- What is the lowest share of terrestrial key biodiversity areas that are protected recorded in Sierra Leone?
- The lowest recorded value was 51.6% in 2000.
- How does Sierra Leone rank for share of terrestrial key biodiversity areas that are protected?
- Sierra Leone ranks 61st out of 240 countries with data for 2025.
- Is share of terrestrial 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 terrestrial Key Biodiversity Areas that are protected. 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 Terrestrial Key Biodiversity Areas (KBAs) covered by protected areas (%).