Share of terrestrial Key Biodiversity Areas that are protected in Guernsey
Guernsey: Share of terrestrial Key Biodiversity Areas that are protected was 11.0% in 2025. ◆ Volatile
Share of terrestrial Key Biodiversity Areas that are protected in Guernsey, 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 Guernsey is 11.0%, measured in 2025. That is the highest value across all 26 years on record.
The figure is up 1.2% over ten years.
Over the whole period, share of terrestrial key biodiversity areas that are protected in Guernsey peaked at 11.0% in 2016 and was at its lowest, 0.0%, in 2000.
That places Guernsey 209th out of 240 countries with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Share of terrestrial Key Biodiversity Areas that are protected in Guernsey, year by year
| Year | % | Change |
|---|---|---|
| 2000 | 0.0% | — |
| 2001 | 0.0% | — |
| 2002 | 0.0% | — |
| 2003 | 0.0% | — |
| 2004 | 0.0% | — |
| 2005 | 0.0% | — |
| 2006 | 10.9% | — |
| 2007 | 10.9% | +0.0% |
| 2008 | 10.9% | +0.0% |
| 2009 | 10.9% | +0.0% |
| 2010 | 10.9% | +0.0% |
| 2011 | 10.9% | +0.0% |
| 2012 | 10.9% | +0.0% |
| 2013 | 10.9% | +0.0% |
| 2014 | 10.9% | +0.0% |
| 2015 | 10.9% | +0.0% |
| 2016 | 11.0% | +1.2% |
| 2017 | 11.0% | +0.0% |
| 2018 | 11.0% | +0.0% |
| 2019 | 11.0% | +0.0% |
| 2020 | 11.0% | +0.0% |
| 2021 | 11.0% | +0.0% |
| 2022 | 11.0% | +0.0% |
| 2023 | 11.0% | +0.0% |
| 2024 | 11.0% | +0.0% |
| 2025 | 11.0% | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 4.4% | 0.0% | 10.9% | 10 |
| 2010s | 10.9% | 10.9% | 11.0% | 10 |
| 2020s | 11.0% | 11.0% | 11.0% | 6 |
Countries ranked near Guernsey
More environment data for Guernsey
- Standard Deviation 0.483 °C (2025)
- Temperature change 1.96 °C (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Forest area 470 hectares (2025)
- Share of global forest area 0.0% (2025)
- Change in domestic forest area vs. deforestation embedded in imported goods 0 hectares (2025)
- Annual change in forest area vs. GDP per capita 0.0% (2025)
- Annual change in forest area as a share of forest area 0.0% (2025)
- Annual change in forest area 0 hectares (2025)
- Exposure to air pollution from human sources 6.23 micrograms per cubic meter (2024)
Frequently asked questions
- What is share of terrestrial key biodiversity areas that are protected in Guernsey?
- Share of terrestrial key biodiversity areas that are protected in Guernsey was 11.0% 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 Guernsey?
- The highest recorded value was 11.0% in 2016.
- What is the lowest share of terrestrial key biodiversity areas that are protected recorded in Guernsey?
- The lowest recorded value was 0.0% in 2000.
- How does Guernsey rank for share of terrestrial key biodiversity areas that are protected?
- Guernsey ranks 209th out of 240 countries with data for 2025.
- Is share of terrestrial key biodiversity areas that are protected rising or falling in Guernsey?
- Over the last ten years it is up 1.2%. The long-run trend across the full record is volatile.
- Where does this Guernsey 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 (%).