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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Australia | 43.9 | 44.0 | 43.2 | 40.7 | 40.6 | 40.6 | 40.8 | 40.8 | 44.3 | 44.3 | 44.3 | 45.4 |
| Chile | 4.4 | 4.4 | 4.4 | 12.6 | 12.9 | 28.8 | 41.2 | 41.3 | 41.3 | 41.4 | 41.4 | 41.2 |
| Colombia | 10.2 | 10.2 | 2.1 | 2.1 | 10.4 | 17.1 | 17.1 | 17.2 | 17.2 | 17.1 | 17.1 | 41.1 |
| New Zealand | 27.9 | 30.4 | 30.4 | 30.4 | 30.4 | 30.4 | 30.4 | 30.4 | 30.4 | 30.4 | 30.4 | 30.4 |
| Costa Rica | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 2.6 | 2.7 | 2.7 | 29.0 | 29.0 | 28.4 |
| Brazil | 1.3 | 1.6 | 1.6 | 1.7 | 1.7 | 26.6 | 26.8 | 26.8 | 26.8 | 26.8 | 26.8 | 26.6 |
| South Africa | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 14.6 | 15.5 | 15.5 | 15.5 | 15.5 | 15.4 |
| Argentina | 0.3 | 3.8 | 4.0 | 4.0 | 4.0 | 3.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 12.0 |
| Canada | 0.8 | 0.8 | 0.9 | 0.9 | 0.9 | 2.9 | 3.1 | 8.8 | 8.9 | 9.1 | 9.1 | 9.2 |
| Peru | 0.6 | 0.6 | 0.6 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 8.0 | 8.0 | 7.9 |
| Thailand | 1.8 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 4.4 | 4.4 | 4.4 | 4.8 | 5.0 |
| Malaysia | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.5 | 1.5 | 3.3 | 5.6 | 5.6 | 5.6 | 4.8 |
| Indonesia | 3.3 | 2.9 | 2.9 | 2.9 | 2.9 | 3.1 | 3.1 | 3.1 | 3.1 | 3.1 | 3.1 | 3.0 |
| Philippines | 1.0 | 1.1 | 1.1 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.7 | 1.7 | 1.7 | 1.6 |
| Uruguay | 0.3 | 0.3 | 0.3 | 0.7 | 0.7 | 0.7 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 1.5 |
| Pakistan | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 1.2 |
| Guatemala | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.9 | 0.9 | 0.8 | 0.8 | 0.8 | 0.8 | 0.9 |
| Vietnam | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.5 |