Cocos Islands vs Heard Island and McDonald Islands: Protected area coverage of marine key biodiversity areas
Cocos Islands
100.0%
in 2025
Heard Island and McDonald Islands
100.0%
in 2025
Cocos Islands rank
1st
Heard Island and McDonald Islands rank
1st
Protected area coverage of marine key biodiversity areas over time
- Cocos Islands
- Heard Island and McDonald Islands
How they compare
Cocos Islands currently reports 100.0% against 100.0% in Heard Island and McDonald Islands, a difference of 0.0%.
Across all 26 years both countries report, Heard Island and McDonald Islands has been ahead every year.
Cocos Islands ranks 1st and Heard Island and McDonald Islands ranks 1st of 190 countries.
Head to head by decade
| Decade | Cocos Islands | Heard Island and McDonald Islands | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 100.0% | 100.0% | 0.0% | — |
| 2010s | 100.0% | 100.0% | 0.0% | — |
| 2020s | 100.0% | 100.0% | 0.0% | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher protected area coverage of marine key biodiversity areas, Cocos Islands or Heard Island and McDonald Islands?
- Cocos Islands, at 100.0% against 100.0% in Heard Island and McDonald Islands as of 2025.
- What is the difference in protected area coverage of marine key biodiversity areas between Cocos Islands and Heard Island and McDonald Islands?
- 0.0%, with Cocos Islands ahead.
- How many years of comparable data are there for Cocos Islands and Heard Island and McDonald Islands?
- 26 years are reported by both, from 2000 to 2025.
- How do Cocos Islands and Heard Island and McDonald Islands rank globally for protected area coverage of marine key biodiversity areas?
- Cocos Islands ranks 1st and Heard Island and McDonald Islands ranks 1st of 190 countries.
- Where does this data come from?
- BirdLife International, IUCN and UNEP-WCMC – 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 (%).