Australia vs New Caledonia: Protected area coverage of marine key biodiversity areas
Australia
66.2%
in 2025
New Caledonia
66.5%
in 2025
Australia rank
58th
New Caledonia rank
55th
Protected area coverage of marine key biodiversity areas over time
- Australia
- New Caledonia
How they compare
New Caledonia currently reports 66.5% against 66.2% in Australia, a difference of 0.3%.
The two have swapped places 1 time across 26 shared years of data; in 2000 it was Australia ahead.
Australia ranks 58th and New Caledonia ranks 55th of 190 countries.
Across the 3 decades both report, Australia averaged higher in 2 and New Caledonia in 1.
Head to head by decade
| Decade | Australia | New Caledonia | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 46.2% | 5.2% | 41.0% | Australia |
| 2010s | 60.7% | 52.5% | 8.2% | Australia |
| 2020s | 65.8% | 66.5% | 0.7% | New Caledonia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher protected area coverage of marine key biodiversity areas, Australia or New Caledonia?
- New Caledonia, at 66.5% against 66.2% in Australia as of 2025.
- What is the difference in protected area coverage of marine key biodiversity areas between Australia and New Caledonia?
- 0.3%, with New Caledonia ahead.
- How many years of comparable data are there for Australia and New Caledonia?
- 26 years are reported by both, from 2000 to 2025.
- How do Australia and New Caledonia rank globally for protected area coverage of marine key biodiversity areas?
- Australia ranks 58th and New Caledonia ranks 55th 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 (%).