Terrestrial protected areas are those officially documented by national authorities.
| 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Namibia | 44.0 | 37.9 | 37.9 | 37.9 | 37.9 | 37.9 | 37.9 | 37.9 | 37.9 | 37.9 | 39.9 | 39.9 |
| Botswana | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 |
| Lesotho | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.5 | 0.5 | 0.5 | 21.3 | 23.4 |
| South Africa | 7.0 | 8.9 | 11.2 | 14.1 | 14.1 | 8.0 | 8.3 | 8.6 | 8.7 | 9.3 | 9.3 | 9.5 |
| इस्वातिनी | 3.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.2 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.2 |