What is the difference in tree cover loss between Nigeria and Sierra Leone?

13,329 hectares, with Nigeria ahead.

How many years of comparable data are there for Nigeria and Sierra Leone?

25 years are reported by both, from 2001 to 2025.

Where does this data come from?

Global Forest Watch. Tree Cover Loss (Hansen/UMD/Google/USGS/NASA), published as Tree Cover Loss (hectares). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Nigeria vs Sierra Leone: Tree Cover Loss

Nigeria

118,263 hectares

in 2025

Sierra Leone

104,934 hectares

in 2025

Nigeria rank

31st

Sierra Leone rank

34th

Tree Cover Loss over time

Nigeria
Sierra Leone

How they compare

Nigeria currently reports 118,263 hectares against 104,934 hectares in Sierra Leone, a difference of 13,329 hectares.

That makes Nigeria's figure about 1.1 times Sierra Leone's.

The two have swapped places 6 times across 25 shared years of data; in 2001 it was Nigeria ahead.

Nigeria ranks 31st and Sierra Leone ranks 34th of 190 countries.

Across the 3 decades both report, Nigeria averaged higher in 1 and Sierra Leone in 2.

Head to head by decade

Decade	Nigeria	Sierra Leone	Difference	Ahead
2000s	24,504 hectares	17,308 hectares	7,196 hectares	Nigeria
2010s	72,460 hectares	139,774 hectares	67,315 hectares	Sierra Leone
2020s	101,959 hectares	120,481 hectares	18,522 hectares	Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher tree cover loss, Nigeria or Sierra Leone?: Nigeria, at 118,263 hectares against 104,934 hectares in Sierra Leone as of 2025.
What is the difference in tree cover loss between Nigeria and Sierra Leone?: 13,329 hectares, with Nigeria ahead.
How many years of comparable data are there for Nigeria and Sierra Leone?: 25 years are reported by both, from 2001 to 2025.
How do Nigeria and Sierra Leone rank globally for tree cover loss?: Nigeria ranks 31st and Sierra Leone ranks 34th of 190 countries.
Where does this data come from?: Global Forest Watch. Tree Cover Loss (Hansen/UMD/Google/USGS/NASA), published as Tree Cover Loss (hectares). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Nigeria vs Sierra Leone: Tree Cover Loss. Statizoid, drawing on Global Forest Watch. Tree Cover Loss (Hansen/UMD/Google/USGS/NASA). Retrieved 24 August 2026, from https://agriculture.statizoid.com/compare/tree-cover-loss-hectares/nigeria/sierra-leone/

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About this data

Indicator: Tree Cover Loss (hectares)
Unit: hectares
Source: Global Forest Watch. Tree Cover Loss (Hansen/UMD/Google/USGS/NASA)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 190 places, 4,725 data points, 2001–2025
Last refreshed: 24 August 2026

Shows year-by-year tree cover loss, defined as stand level replacement of vegetation greater than 5 meters, within the selected area. The tree cover loss data set is a collaboration of the University of Maryland, Google, USGS, and NASA, and uses Landsat satellite images to map annual tree cover loss at a 30 × 30 meter resolution. Note that “tree cover loss” is not the same as “deforestation” – tree cover loss includes change in both natural and planted forest, and does not need to be human caused. The data from 2011 onward were produced with an updated methodology that may capture additional loss. Comparisons between the original 2001-2010 data and future years should be performed with caution.