Iceland vs Tonga: Protected area coverage of marine key biodiversity areas
Iceland
16.1%
in 2025
Tonga
17.6%
in 2025
Iceland rank
149th
Tonga rank
146th
Protected area coverage of marine key biodiversity areas over time
- Iceland
- Tonga
How they compare
Tonga currently reports 17.6% against 16.1% in Iceland, a difference of 1.5%.
That makes Tonga's figure about 1.1 times Iceland's.
The two have swapped places 1 time across 26 shared years of data; in 2000 it was Iceland ahead.
Iceland ranks 149th and Tonga ranks 146th of 190 countries.
Tonga has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Iceland | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 10.2% | 16.3% | 6.1% | Tonga |
| 2010s | 14.1% | 17.6% | 3.5% | Tonga |
| 2020s | 15.9% | 17.6% | 1.7% | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher protected area coverage of marine key biodiversity areas, Iceland or Tonga?
- Tonga, at 17.6% against 16.1% in Iceland as of 2025.
- What is the difference in protected area coverage of marine key biodiversity areas between Iceland and Tonga?
- 1.5%, with Tonga ahead.
- How many years of comparable data are there for Iceland and Tonga?
- 26 years are reported by both, from 2000 to 2025.
- How do Iceland and Tonga rank globally for protected area coverage of marine key biodiversity areas?
- Iceland ranks 149th and Tonga ranks 146th of 190 countries.
- Where does this data come from?
- BirdLife International, IUCN and UNEP-WCMC β processed by Our World in Data, published as Protected area coverage of marine key biodiversity areas. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Average proportion of Marine Key Biodiversity Areas (KBAs) covered by protected areas (%).