Nigeria vs Sierra Leone: Average proportion of Freshwater Key Biodiversity Areas (KBAs)
Nigeria
73.7%
in 2025
Sierra Leone
71.1%
in 2025
Nigeria rank
56th
Sierra Leone rank
58th
Average proportion of Freshwater Key Biodiversity Areas (KBAs) over time
- Nigeria
- Sierra Leone
How they compare
Nigeria currently reports 73.7% against 71.1% in Sierra Leone, a difference of 2.6%.
The two have swapped places 1 time across 26 shared years of data; in 2000 it was Sierra Leone ahead.
Nigeria ranks 56th and Sierra Leone ranks 58th of 174 countries.
Across the 3 decades both report, Nigeria averaged higher in 2 and Sierra Leone in 1.
Head to head by decade
| Decade | Nigeria | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 40.2% | 56.4% | 16.2% | Sierra Leone |
| 2010s | 73.7% | 70.4% | 3.3% | Nigeria |
| 2020s | 73.7% | 71.1% | 2.6% | Nigeria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average proportion of freshwater key biodiversity areas (kbas), Nigeria or Sierra Leone?
- Nigeria, at 73.7% against 71.1% in Sierra Leone as of 2025.
- What is the difference in average proportion of freshwater key biodiversity areas (kbas) between Nigeria and Sierra Leone?
- 2.6%, with Nigeria ahead.
- How many years of comparable data are there for Nigeria and Sierra Leone?
- 26 years are reported by both, from 2000 to 2025.
- How do Nigeria and Sierra Leone rank globally for average proportion of freshwater key biodiversity areas (kbas)?
- Nigeria ranks 56th and Sierra Leone ranks 58th of 174 countries.
- Where does this data come from?
- United Nations Statistics Division, SDG Global Database, published as Average proportion of Freshwater Key Biodiversity Areas (KBAs) covered by protected areas (%). Statizoid refreshes it automatically from the source and publishes the full history for both places.