Japan vs Sierra Leone: Average proportion of Terrestrial Key Biodiversity Areas (KBAs)
Japan
64.8%
in 2025
Sierra Leone
65.3%
in 2025
Japan rank
61st
Sierra Leone rank
58th
Average proportion of Terrestrial Key Biodiversity Areas (KBAs) over time
- Japan
- Sierra Leone
How they compare
Sierra Leone currently reports 65.3% against 64.8% in Japan, a difference of 0.5%.
Across all 26 years both countries report, Sierra Leone has been ahead every year.
Japan ranks 61st and Sierra Leone ranks 58th of 222 countries.
Sierra Leone has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Japan | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 30.2% | 51.6% | 21.4% | Sierra Leone |
| 2010s | 47.9% | 64.7% | 16.8% | Sierra Leone |
| 2020s | 62.1% | 65.3% | 3.2% | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average proportion of terrestrial key biodiversity areas (kbas), Japan or Sierra Leone?
- Sierra Leone, at 65.3% against 64.8% in Japan as of 2025.
- What is the difference in average proportion of terrestrial key biodiversity areas (kbas) between Japan and Sierra Leone?
- 0.5%, with Sierra Leone ahead.
- How many years of comparable data are there for Japan and Sierra Leone?
- 26 years are reported by both, from 2000 to 2025.
- How do Japan and Sierra Leone rank globally for average proportion of terrestrial key biodiversity areas (kbas)?
- Japan ranks 61st and Sierra Leone ranks 58th of 222 countries.
- Where does this data come from?
- United Nations Statistics Division, SDG Global Database, published as Average proportion of Terrestrial Key Biodiversity Areas (KBAs) covered by protected areas (%). Statizoid refreshes it automatically from the source and publishes the full history for both places.