Northern Mariana Islands vs Seychelles: Share of marine territorial waters that are protected
Northern Mariana Islands
32.4%
in 2025
Seychelles
32.6%
in 2025
Northern Mariana Islands rank
16th
Seychelles rank
15th
Share of marine territorial waters that are protected over time
- Northern Mariana Islands
- Seychelles
How they compare
Seychelles currently reports 32.6% against 32.4% in Northern Mariana Islands, a difference of 0.2%.
The two have swapped places 3 times across 13 shared years of data; in 2013 it was Northern Mariana Islands ahead.
Northern Mariana Islands ranks 16th and Seychelles ranks 15th of 174 countries.
Across the 2 decades both report, Northern Mariana Islands averaged higher in 1 and Seychelles in 1.
Head to head by decade
| Decade | Northern Mariana Islands | Seychelles | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 42.6% | 2.2% | 40.4% | Northern Mariana Islands |
| 2020s | 32.6% | 32.7% | 0.2% | Seychelles |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of marine territorial waters that are protected, Northern Mariana Islands or Seychelles?
- Seychelles, at 32.6% against 32.4% in Northern Mariana Islands as of 2025.
- What is the difference in share of marine territorial waters that are protected between Northern Mariana Islands and Seychelles?
- 0.2%, with Seychelles ahead.
- How many years of comparable data are there for Northern Mariana Islands and Seychelles?
- 13 years are reported by both, from 2013 to 2025.
- How do Northern Mariana Islands and Seychelles rank globally for share of marine territorial waters that are protected?
- Northern Mariana Islands ranks 16th and Seychelles ranks 15th of 174 countries.
- Where does this data 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 Share of marine territorial waters that are protected. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
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.