United Nations Environmental Program and the World Conservation Monitoring Centre, as compiled by the World Resources Institute, based on data from national authorities, national legislation and international agreements.
| 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| United Kingdom | 11.3 | 19.7 | 16.6 | 23.3 | 28.9 | 28.8 | 29.0 | 40.3 | 39.9 | 39.9 | 39.9 | 42.1 |
| Germany | 38.9 | 38.5 | 38.5 | 38.8 | 38.8 | 38.8 | 38.5 | 38.8 | 38.5 | 38.7 | 38.7 | 40.1 |
| France | 23.5 | 23.4 | 23.2 | 25.9 | 27.8 | 33.2 | 35.0 | 36.2 | 36.4 | 36.6 | 36.6 | 36.8 |
| United States | 13.5 | 12.0 | 20.1 | 26.3 | 26.6 | 26.3 | 26.3 | 23.9 | 15.9 | 15.9 | 15.9 | 15.8 |
| Japan | 1.9 | 2.1 | 2.1 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 15.2 | 15.2 | 15.2 | 15.1 |
| Italy | 11.2 | 11.3 | 11.3 | 13.3 | 13.3 | 13.4 | 13.3 | 14.0 | 14.5 | 14.5 | 14.5 | 14.6 |
| Canada | 6.3 | 6.3 | 6.2 | 6.5 | 6.5 | 7.2 | 8.1 | 9.5 | 10.8 | 11.4 | 11.5 | 11.6 |