Papua New Guinea vs Tonga: Share of marine territorial waters that are protected
Papua New Guinea
0.1%
in 2025
Tonga
0.1%
in 2025
Papua New Guinea rank
139th
Tonga rank
139th
Share of marine territorial waters that are protected over time
- Papua New Guinea
- Tonga
How they compare
Papua New Guinea currently reports 0.1% against 0.1% in Tonga, a difference of 0.0%.
Across all 13 years both countries report, Tonga has been ahead every year.
Papua New Guinea ranks 139th and Tonga ranks 139th of 174 countries.
Tonga has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Papua New Guinea | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 0.2% | 1.3% | 1.1% | Tonga |
| 2020s | 0.1% | 0.1% | 0.0% | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of marine territorial waters that are protected, Papua New Guinea or Tonga?
- Papua New Guinea, at 0.1% against 0.1% in Tonga as of 2025.
- What is the difference in share of marine territorial waters that are protected between Papua New Guinea and Tonga?
- 0.0%, with Papua New Guinea ahead.
- How many years of comparable data are there for Papua New Guinea and Tonga?
- 13 years are reported by both, from 2013 to 2025.
- How do Papua New Guinea and Tonga rank globally for share of marine territorial waters that are protected?
- Papua New Guinea ranks 139th and Tonga ranks 139th 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.