Marine protected areas in Northern Mariana Islands

Northern Mariana Islands: Marine protected areas was 32.4% in 2025. ▼ Falling

Latest (2025)
32.4%
Change on year
unchanged
World rank
16th
of 174 countries
All-time high
100.0%
in 2014
All-time low
32.0%
in 2020
Years of data
13
2013–2025

Marine protected areas in Northern Mariana Islands, 2013–2025

4060801002013201920252013: 32.1 % of territorial waters2014: 100 % of territorial waters2015: 33.2 % of territorial waters2016: 33.2 % of territorial waters2017: 33.3 % of territorial waters2018: 33.3 % of territorial waters2019: 33.3 % of territorial waters2020: 32 % of territorial waters2021: 33.2 % of territorial waters2022: 33.2 % of territorial waters2023: 32.2 % of territorial waters2024: 32.4 % of territorial waters2025: 32.4 % 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

In 2025, marine protected areas in Northern Mariana Islands stood at 32.4%.

That represents a change of down 2.4% over ten years.

Over the whole period, marine protected areas in Northern Mariana Islands peaked at 100.0% in 2014 and was at its lowest, 32.0%, in 2020.

Northern Mariana Islands ranks 16th of 174 countries on this measure, in the top 10%.

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

Marine protected areas in Northern Mariana Islands, year by year

Annual values for Marine protected areas (% of territorial waters) in Northern Mariana Islands, 2013 to 2025.
Year % of territorial waters Change
2013 32.1%
2014 100.0% +211.5%
2015 33.2% -66.8%
2016 33.2% +0.0%
2017 33.3% +0.3%
2018 33.3% +0.0%
2019 33.3% +0.0%
2020 32.0% -3.9%
2021 33.2% +3.8%
2022 33.2% +0.0%
2023 32.2% -3.0%
2024 32.4% +0.6%
2025 32.4% +0.0%

Averages by decade

DecadeAverage LowestHighest Years
2010s 42.6% 32.1% 100.0% 7
2020s 32.6% 32.0% 33.2% 6

Countries ranked near Northern Mariana Islands

  1. 13 Belgium 38.3% compare
  2. 14 Netherlands 33.5% compare
  3. 15 Seychelles 32.6% compare
  4. 17 New Zealand 30.4% compare
  5. 18 Costa Rica 28.4% compare
  6. 19 Denmark 27.1% compare

See the full ranking of 221 places →

More climate change data for Northern Mariana Islands

All data for Northern Mariana Islands →

Frequently asked questions

What is marine protected areas in Northern Mariana Islands?
Marine protected areas in Northern Mariana Islands was 32.4% 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 Northern Mariana Islands?
The highest recorded value was 100.0% in 2014.
What is the lowest marine protected areas recorded in Northern Mariana Islands?
The lowest recorded value was 32.0% in 2020.
How does Northern Mariana Islands rank for marine protected areas?
Northern Mariana Islands ranks 16th out of 174 countries with data for 2025.
Is marine protected areas rising or falling in Northern Mariana Islands?
Over the last ten years it is down 2.4%. The long-run trend across the full record is falling.
Where does this Northern Mariana Islands 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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CSV · JSON — 13 observations, free to reuse under CC BY 4.0 (World Bank Open Data).

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Marine protected areas in Northern Mariana Islands. 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 05 September 2026, from https://climate.statizoid.com/stat/marine-protected-areas-percent-of-territorial-waters/northern-mariana-islands/

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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.