Iceland vs Tonga: Average proportion of Marine Key Biodiversity Areas (KBAs) covered by
Iceland
16.1%
in 2025
Tonga
17.6%
in 2025
Iceland rank
142nd
Tonga rank
139th
Average proportion of Marine Key Biodiversity Areas (KBAs) covered by 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 142nd and Tonga ranks 139th of 177 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 average proportion of marine key biodiversity areas (kbas) covered by, Iceland or Tonga?
- Tonga, at 17.6% against 16.1% in Iceland as of 2025.
- What is the difference in average proportion of marine key biodiversity areas (kbas) covered by 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 average proportion of marine key biodiversity areas (kbas) covered by?
- Iceland ranks 142nd and Tonga ranks 139th of 177 countries.
- Where does this data come from?
- United Nations Statistics Division, SDG Global Database, published as Average proportion of Marine Key Biodiversity Areas (KBAs) covered by protected areas (%). Statizoid refreshes it automatically from the source and publishes the full history for both places.