Cook Islands vs United Republic of Tanzania: Average proportion of Marine Key Biodiversity Areas (KBAs) covered by
Cook Islands
52.1%
in 2025
United Republic of Tanzania
54.0%
in 2025
Cook Islands rank
86th
United Republic of Tanzania rank
84th
Average proportion of Marine Key Biodiversity Areas (KBAs) covered by over time
- Cook Islands
- United Republic of Tanzania
How they compare
United Republic of Tanzania currently reports 54.0% against 52.1% in Cook Islands, a difference of 1.9%.
Across all 26 years both countries report, United Republic of Tanzania has been ahead every year.
Cook Islands ranks 86th and United Republic of Tanzania ranks 84th of 201 countries.
United Republic of Tanzania has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Cook Islands | United Republic of Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 19.9% | 50.3% | 30.4% | United Republic of Tanzania |
| 2010s | 29.6% | 54.0% | 24.5% | United Republic of Tanzania |
| 2020s | 52.1% | 54.0% | 1.9% | United Republic of Tanzania |
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, Cook Islands or United Republic of Tanzania?
- United Republic of Tanzania, at 54.0% against 52.1% in Cook Islands as of 2025.
- What is the difference in average proportion of marine key biodiversity areas (kbas) covered by between Cook Islands and United Republic of Tanzania?
- 1.9%, with United Republic of Tanzania ahead.
- How many years of comparable data are there for Cook Islands and United Republic of Tanzania?
- 26 years are reported by both, from 2000 to 2025.
- How do Cook Islands and United Republic of Tanzania rank globally for average proportion of marine key biodiversity areas (kbas) covered by?
- Cook Islands ranks 86th and United Republic of Tanzania ranks 84th of 201 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.