Share of marine territorial waters that are protected in Northern Mariana Islands
Northern Mariana Islands: Share of marine territorial waters that are protected was 32.4% in 2025. ▼ Falling
Share of marine territorial waters that are protected in Northern Mariana Islands, 2013–2025
Source: Protected Planet WDPA and WD-OECM data, UNEP-WCMC and IUCN, via World Bank (2026) – processed by Our World in Data. Measured in % of territorial waters.
Analysis
Northern Mariana Islands recorded 32.4% for share of marine territorial waters that are protected in 2025.
Compared with earlier readings it is down 2.4% over ten years.
Over the whole period, share of marine territorial waters that are protected 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.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 42.6% | 32.1% | 100.0% | 7 |
| 2020s | 32.6% | 32.0% | 33.2% | 6 |
Countries ranked near Northern Mariana Islands
- 13 Belgium 38.3% compare
- 14 Netherlands 33.5% compare
- 15 Seychelles 32.6% compare
- 17 New Zealand 30.4% compare
- 18 Costa Rica 28.4% compare
- 19 Denmark 27.1% compare
More reference data data for Northern Mariana Islands
- Foreign aid received as grants and concessional loans 177,349 constant 2024 US$ (1999)
- Share of men expected to survive to the age of 65 85.5% (2024)
- Seafood production: wild fish catch vs. aquaculture 11 metric tons (2024)
- Share of men and women expected to survive to the age of 65 89.9% (2024)
- Foreign aid received 177,349 constant 2024 US$ (1999)
- Foreign aid received from governments and private foundations 177,349 constant 2024 US$ (1999)
- Foreign aid received by income group 177,349 constant 2024 US$ (1999)
- Number of confirmed cases of tetanus 0 Cases (2024)
- Foreign aid received per capita 2.69 constant 2024 US$ (1999)
- Fertility rate: births per woman 2.35 live births per woman (2023)
Frequently asked questions
- What is share of marine territorial waters that are protected in Northern Mariana Islands?
- Share of marine territorial waters that are protected in Northern Mariana Islands was 32.4% in 2025, according to Protected Planet WDPA and WD-OECM data, UNEP-WCMC and IUCN, via World Bank (2026) – processed by Our World in Data.
- What is the highest share of marine territorial waters that are protected recorded in Northern Mariana Islands?
- The highest recorded value was 100.0% in 2014.
- What is the lowest share of marine territorial waters that are protected recorded in Northern Mariana Islands?
- The lowest recorded value was 32.0% in 2020.
- How does Northern Mariana Islands rank for share of marine territorial waters that are protected?
- Northern Mariana Islands ranks 16th out of 174 countries with data for 2025.
- Is share of marine territorial waters that are protected 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 WDPA and WD-OECM data, UNEP-WCMC and IUCN, via World Bank (2026) – processed by Our World in Data, published as part of Share of marine territorial waters that are protected. Statizoid updates them automatically from the source API.
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CSV · JSON — 13 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Marine protected areas are regions of intertidal or sub-tidal land and associated water, flora and fauna, and cultural and historical features that have been legally or effectively reserved for protection.