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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 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 |
| Panama | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 11.6 | 26.8 | 26.8 | 26.8 | 26.3 |
| Mexico | 1.9 | 1.9 | 1.9 | 2.3 | 21.8 | 21.8 | 21.6 | 21.6 | 21.6 | 21.6 | 21.6 | 22.6 |
| Belize | 6.9 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 11.0 | 11.0 | 11.0 | 11.0 | 20.4 |
| Ecuador | 13.0 | 13.0 | 13.1 | 13.1 | 13.1 | 13.3 | 13.3 | 13.3 | 13.3 | 19.1 | 19.1 | 19.3 |
| United States | 13.3 | 10.8 | 27.7 | 41.1 | 41.0 | 41.1 | 41.1 | 37.4 | 19.0 | 19.0 | 19.1 | 19.0 |
| Dominican Republic | 9.0 | 9.1 | 9.1 | 9.1 | 9.1 | 18.0 | 18.0 | 18.0 | 18.0 | 17.3 | 17.3 | 13.3 |
| 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 | 0.9 | 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 |
| Bahamas, The | 0.2 | 0.2 | 0.6 | 0.6 | 7.9 | 7.9 | 7.9 | 7.9 | 7.9 | 7.9 | 7.9 | 7.7 |
| Honduras | 0.5 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.6 | 4.6 | 4.6 | 4.6 | 4.9 |
| St. Kitts and Nevis | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.5 |
| Venezuela, RB | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 4.3 | 4.3 | 4.4 | 4.3 | 4.4 |
| Cuba | 2.6 | 2.6 | 2.6 | 4.3 | 4.3 | 4.3 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 4.2 |
| Nicaragua | 3.0 | 3.0 | 2.9 | 2.9 | 3.0 | 3.0 | 3.0 | 3.4 | 3.4 | 3.4 | 3.4 | 3.6 |
| Haiti | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.8 | |
| Suriname | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| 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 |
| 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 |
| El Salvador | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.8 |
| Antigua and Barbuda | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 | 0.7 |
| Jamaica | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.7 |
| St. Lucia | 0.0 | 0.0 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 |
| St. Vincent and the Grenadines | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Dominica | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
| Grenada | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Guyana | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
| Trinidad and Tobago | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
| Barbados | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |