Marine protected areas in North America

North America: Marine protected areas was 14.6% in 2025. ▲ Rising

Latest (2025)
14.6%
Change on year
unchanged
Rank
11th
of 45 groups
All-time high
25.2%
in 2020
All-time low
6.6%
in 2014
Years of data
13
2013–2025

Marine protected areas in North America, 2013–2025

5101520252013201920252013: 8.1 % of territorial waters2014: 6.6 % of territorial waters2015: 16.5 % of territorial waters2016: 24.3 % of territorial waters2017: 24.2 % of territorial waters2018: 25.1 % of territorial waters2019: 25.2 % of territorial waters2020: 25.2 % of territorial waters2021: 14.5 % of territorial waters2022: 14.6 % of territorial waters2023: 14.6 % of territorial waters2024: 14.6 % of territorial waters2025: 14.6 % of territorial waters

Source: Protected Planet: The World Database on Protected Areas (WDPA) and World Database on Other Effective Area-based Conservation Measures (WD-OECM), UN Environment Programme World Conservation Monitoring. Measured in % of territorial waters.

Analysis

The most recent figure for marine protected areas in North America is 14.6%, measured in 2025.

That represents a change of down 11.3% over ten years.

Over the whole period, marine protected areas in North America peaked at 25.2% in 2020 and was at its lowest, 6.6%, in 2014.

North America ranks 11th of 45 groups on this measure, in the top quarter.

The long-run direction has been consistently rising across the 13 years of available data.

Marine protected areas in North America, year by year

Annual values for Marine protected areas (% of territorial waters) in North America, 2013 to 2025.
Year % of territorial waters Change
2013 8.1%
2014 6.6% -18.1%
2015 16.5% +149.7%
2016 24.3% +47.4%
2017 24.2% -0.2%
2018 25.1% +3.4%
2019 25.2% +0.3%
2020 25.2% +0.2%
2021 14.5% -42.4%
2022 14.6% +0.5%
2023 14.6% +0.4%
2024 14.6% -0.1%
2025 14.6% +0.0%

Averages by decade

DecadeAverage LowestHighest Years
2010s 18.6% 6.6% 25.2% 7
2020s 16.4% 14.5% 25.2% 6

Countries ranked near North America

  1. 8 United Kingdom 46.8% compare
  2. 9 Australia 45.4% compare
  3. 10 Germany 45.3% compare
  4. 11 Chile 41.2% compare
  5. 12 Colombia 41.1% compare
  6. 13 Belgium 38.3% compare
  7. 14 Netherlands 33.5% compare

See the full ranking of 221 places →

More climate change data for North America

All data for North America →

Frequently asked questions

What is marine protected areas in North America?
Marine protected areas in North America was 14.6% in 2025, according to Protected Planet: The World Database on Protected Areas (WDPA) and World Database on Other Effective Area-based Conservation Measures (WD-OECM), UN Environment Programme World Conservation Monitoring.
What is the highest marine protected areas recorded in North America?
The highest recorded value was 25.2% in 2020.
What is the lowest marine protected areas recorded in North America?
The lowest recorded value was 6.6% in 2014.
How does North America rank for marine protected areas?
North America ranks 11th out of 45 groups with data for 2025.
Is marine protected areas rising or falling in North America?
Over the last ten years it is down 11.3%. The long-run trend across the full record is rising.
Where does this North America data come from?
The figures come from Protected Planet: The World Database on Protected Areas (WDPA) and World Database on Other Effective Area-based Conservation Measures (WD-OECM), UN Environment Programme World Conservation Monitoring, published as part of Marine protected areas (% of territorial waters). Statizoid updates them automatically from the source API.

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Marine protected areas in North America. Statizoid, drawing on Protected Planet: The World Database on Protected Areas (WDPA) and World Database on Other Effective Area-based Conservation Measures (WD-OECM), UN Environment Programme World Conservation Monitoring. Retrieved 02 September 2026, from https://climate.statizoid.com/stat/marine-protected-areas-percent-of-territorial-waters/north-america/

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About this data

Indicator
Marine protected areas (% of territorial waters)
Unit
% of territorial waters
Source
Protected Planet: The World Database on Protected Areas (WDPA) and World Database on Other Effective Area-based Conservation Measures (WD-OECM), UN Environment Programme World Conservation Monitoring
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
221 places, 2,834 data points, 2013–2025
Last refreshed

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.