Marine protected areas are areas of intertidal or subtidal terrain--and overlying water and associated flora and fauna and historical and cultural features--that have been reserved by law or other effective means to protect part or all of the enclosed environment.
| 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| France | 20.4 | 19.8 | 19.2 | 26.2 | 30.7 | 45.0 | 48.9 | 50.4 | 49.8 | 49.8 | 49.8 | 49.8 |
| Germany | 45.5 | 45.3 | 45.3 | 45.4 | 45.4 | 45.4 | 45.4 | 45.4 | 45.5 | 45.5 | 45.5 | 45.4 |
| Belgium | 36.7 | 36.6 | 36.6 | 36.7 | 36.6 | 36.7 | 36.7 | 36.7 | 38.1 | 38.1 | 38.1 | 38.3 |
| Netherlands | 21.6 | 21.6 | 21.6 | 21.5 | 26.7 | 26.7 | 26.9 | 26.9 | 26.9 | 26.9 | 26.9 | 33.6 |
| Lithuania | 11.1 | 11.1 | 16.3 | 21.5 | 25.6 | 25.6 | 25.6 | 25.6 | 25.6 | 25.6 | 25.6 | 23.2 |
| Estonia | 18.6 | 18.6 | 18.6 | 18.6 | 18.6 | 18.6 | 18.6 | 18.8 | 18.8 | 18.8 | 18.8 | 19.3 |
| Portugal | 6.6 | 6.7 | 6.7 | 8.4 | 16.2 | 16.6 | 16.6 | 16.8 | 16.8 | 16.9 | 16.9 | 16.8 |
| Latvia | 16.9 | 16.9 | 16.9 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.4 |
| Spain | 1.7 | 1.1 | 7.1 | 8.7 | 8.4 | 8.4 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 |
| Finland | 9.7 | 11.0 | 11.0 | 11.1 | 10.5 | 10.5 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 11.8 |
| Italy | 5.5 | 5.6 | 5.6 | 8.8 | 8.8 | 8.8 | 8.8 | 9.7 | 10.6 | 10.6 | 10.6 | 10.7 |
| Cyprus | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 |
| Malta | 0.3 | 0.3 | 0.3 | 6.3 | 6.3 | 6.3 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.8 |
| Greece | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.7 |
| Slovenia | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 2.3 | 2.3 | 2.3 | 2.3 | 2.9 | |
| Ireland | 1.5 | 1.5 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.4 |