Terrestrial protected areas are those officially documented by national authorities.
| 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Congo, Rep. | 36.4 | 37.1 | 37.1 | 40.6 | 40.6 | 40.7 | 40.7 | 36.8 | 36.8 | 36.8 | 36.8 | 36.8 |
| Gabon | 20.0 | 20.1 | 20.1 | 20.1 | 22.4 | 22.4 | 22.4 | 22.4 | 22.4 | 22.4 | 22.4 | 22.7 |
| Chad | 18.6 | 18.6 | 18.6 | 20.4 | 20.4 | 20.4 | 20.4 | 21.0 | 21.0 | 21.0 | 21.0 | 21.0 |
| Equatorial Guinea | 23.3 | 23.3 | 23.3 | 19.3 | 19.3 | 19.3 | 19.3 | 19.3 | 19.3 | 19.3 | 19.3 | 19.0 |
| Central African Republic | 18.1 | 18.1 | 18.1 | 18.1 | 18.1 | 18.1 | 18.1 | 18.1 | 18.1 | 18.1 | 18.1 | 14.8 |
| Cameroon | 11.0 | 11.0 | 10.9 | 10.6 | 10.6 | 10.6 | 10.9 | 10.9 | 11.0 | 11.0 | 11.0 | 11.0 |