Nigeria vs Sierra Leone: Annual change in forest area as a share of forest area
Nigeria
-0.7%
in 2025
Sierra Leone
-0.8%
in 2025
Nigeria rank
203rd
Sierra Leone rank
206th
Annual change in forest area as a share of forest area over time
- Nigeria
- Sierra Leone
How they compare
Nigeria currently reports -0.7% against -0.8% in Sierra Leone, a difference of 0.1%.
Across all 35 years both countries report, Nigeria has been ahead every year.
Nigeria ranks 203rd and Sierra Leone ranks 206th of 228 countries.
Nigeria has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Nigeria | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1990s | -0.6% | -0.7% | 0.0% | Nigeria |
| 2000s | -0.6% | -0.7% | 0.1% | Nigeria |
| 2010s | -0.7% | -0.7% | 0.1% | Nigeria |
| 2020s | -0.7% | -0.8% | 0.1% | Nigeria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in forest area as a share of forest area, Nigeria or Sierra Leone?
- Nigeria, at -0.7% against -0.8% in Sierra Leone as of 2025.
- What is the difference in annual change in forest area as a share of forest area between Nigeria and Sierra Leone?
- 0.1%, with Nigeria ahead.
- How many years of comparable data are there for Nigeria and Sierra Leone?
- 35 years are reported by both, from 1991 to 2025.
- How do Nigeria and Sierra Leone rank globally for annual change in forest area as a share of forest area?
- Nigeria ranks 203rd and Sierra Leone ranks 206th of 228 countries.
- Where does this data come from?
- Food and Agriculture Organization of the United Nations (2025) – with major processing by Our World in Data, published as Annual change in forest area as a share of forest area. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Annual net change in forest area measures forest expansion (the sum of afforestation and natural expansion) minus deforestation.