Australia vs Japan: Protected area coverage of marine key biodiversity areas
Australia
66.2%
in 2025
Japan
66.2%
in 2025
Australia rank
58th
Japan rank
57th
Protected area coverage of marine key biodiversity areas over time
- Australia
- Japan
How they compare
Japan currently reports 66.2% against 66.2% in Australia, a difference of 0.0%.
The two have swapped places 1 time across 26 shared years of data; in 2000 it was Australia ahead.
Australia ranks 58th and Japan ranks 57th of 190 countries.
Australia has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Australia | Japan | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 46.2% | 22.4% | 23.8% | Australia |
| 2010s | 60.7% | 47.8% | 12.9% | Australia |
| 2020s | 65.8% | 63.9% | 1.9% | Australia |
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 Japan?
- Japan, at 66.2% against 66.2% in Australia as of 2025.
- What is the difference in protected area coverage of marine key biodiversity areas between Australia and Japan?
- 0.0%, with Japan ahead.
- How many years of comparable data are there for Australia and Japan?
- 26 years are reported by both, from 2000 to 2025.
- How do Australia and Japan rank globally for protected area coverage of marine key biodiversity areas?
- Australia ranks 58th and Japan ranks 57th 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 (%).