Share of terrestrial Key Biodiversity Areas that are protected in Tanzania
Tanzania: Share of terrestrial Key Biodiversity Areas that are protected was 65.0% in 2025. ▲ Rising
Share of terrestrial Key Biodiversity Areas that are protected in Tanzania, 2000–2025
Source: BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data. Measured in %.
Analysis
The most recent figure for share of terrestrial key biodiversity areas that are protected in Tanzania is 65.0%, measured in 2025. That is the highest value across all 26 years on record.
The figure is up 13.2% over ten years.
Over the whole period, share of terrestrial key biodiversity areas that are protected in Tanzania peaked at 65.0% in 2021 and was at its lowest, 51.8%, in 2000.
That places Tanzania 64th out of 240 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 terrestrial Key Biodiversity Areas that are protected in Tanzania, year by year
| Year | % | Change |
|---|---|---|
| 2000 | 51.8% | — |
| 2001 | 52.5% | +1.4% |
| 2002 | 53.2% | +1.4% |
| 2003 | 53.2% | +0.0% |
| 2004 | 54.9% | +3.2% |
| 2005 | 55.3% | +0.7% |
| 2006 | 56.3% | +1.8% |
| 2007 | 57.3% | +1.7% |
| 2008 | 57.3% | +0.0% |
| 2009 | 57.4% | +0.1% |
| 2010 | 57.4% | +0.0% |
| 2011 | 57.4% | +0.0% |
| 2012 | 57.4% | +0.0% |
| 2013 | 57.4% | +0.1% |
| 2014 | 57.4% | +0.0% |
| 2015 | 57.4% | +0.0% |
| 2016 | 57.4% | +0.0% |
| 2017 | 57.4% | +0.0% |
| 2018 | 57.4% | +0.0% |
| 2019 | 64.8% | +12.9% |
| 2020 | 64.8% | +0.0% |
| 2021 | 65.0% | +0.3% |
| 2022 | 65.0% | +0.0% |
| 2023 | 65.0% | +0.0% |
| 2024 | 65.0% | +0.0% |
| 2025 | 65.0% | +0.0% |
Tanzania compared with similar countries
- Tanzania's 65.0% is above the median for lower middle income countries, which is 45.6%, 1.4× the median. (47 countries reporting)
- Tanzania's 65.0% 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 | 54.9% | 51.8% | 57.4% | 10 |
| 2010s | 58.1% | 57.4% | 64.8% | 10 |
| 2020s | 65.0% | 64.8% | 65.0% | 6 |
Countries ranked near Tanzania
More environment data for Tanzania
- Historical exposure to drought — Land soil moisture anomaly -7.52 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -7.29 Percentage change (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 3.06 % 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 5.16 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual 0 % change on previous year (2024)
- Methane (CH4) emissions from Building (Energy) (Mt CO2e), per unit of 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is share of terrestrial key biodiversity areas that are protected in Tanzania?
- Share of terrestrial key biodiversity areas that are protected in Tanzania was 65.0% 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 Tanzania?
- The highest recorded value was 65.0% in 2021.
- What is the lowest share of terrestrial key biodiversity areas that are protected recorded in Tanzania?
- The lowest recorded value was 51.8% in 2000.
- How does Tanzania rank for share of terrestrial key biodiversity areas that are protected?
- Tanzania ranks 64th out of 240 countries with data for 2025.
- Is share of terrestrial key biodiversity areas that are protected rising or falling in Tanzania?
- Over the last ten years it is up 13.2%. The long-run trend across the full record is rising.
- Where does this Tanzania 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 (%).