What is the difference in above-ground forest biomass between Guinea and Nigeria?

3.54 tonnes per hectare, with Nigeria ahead.

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

10 years are reported by both, from 1990 to 2025.

Where does this data come from?

Food and Agriculture Organization of the United Nations – processed by Our World in Data, published as Above-ground forest biomass. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Guinea vs Nigeria: Above-ground forest biomass

Guinea

131.23 tonnes per hectare

in 2025

Nigeria

134.77 tonnes per hectare

in 2025

Guinea rank

86th

Nigeria rank

83rd

Above-ground forest biomass over time

Guinea
Nigeria

How they compare

Nigeria currently reports 134.77 tonnes per hectare against 131.23 tonnes per hectare in Guinea, a difference of 3.54 tonnes per hectare.

Across all 10 years both countries report, Nigeria has been ahead every year.

Guinea ranks 86th and Nigeria ranks 83rd of 215 countries.

Nigeria has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	Guinea	Nigeria	Difference	Ahead
1990s	131.32 tonnes per hectare	134.77 tonnes per hectare	3.45 tonnes per hectare	Nigeria
2000s	131.3 tonnes per hectare	134.77 tonnes per hectare	3.47 tonnes per hectare	Nigeria
2010s	131.23 tonnes per hectare	134.77 tonnes per hectare	3.54 tonnes per hectare	Nigeria
2020s	131.24 tonnes per hectare	134.77 tonnes per hectare	3.53 tonnes per hectare	Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher above-ground forest biomass, Guinea or Nigeria?: Nigeria, at 134.77 tonnes per hectare against 131.23 tonnes per hectare in Guinea as of 2025.
What is the difference in above-ground forest biomass between Guinea and Nigeria?: 3.54 tonnes per hectare, with Nigeria ahead.
How many years of comparable data are there for Guinea and Nigeria?: 10 years are reported by both, from 1990 to 2025.
How do Guinea and Nigeria rank globally for above-ground forest biomass?: Guinea ranks 86th and Nigeria ranks 83rd of 215 countries.
Where does this data come from?: Food and Agriculture Organization of the United Nations – processed by Our World in Data, published as Above-ground forest biomass. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Guinea vs Nigeria: Above-ground forest biomass. Statizoid, drawing on Food and Agriculture Organization of the United Nations – processed by Our World in Data. Retrieved 25 September 2026, from https://environment.statizoid.com/compare/above-ground-biomass-in-forest-per-hectare/guinea/nigeria/

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About this data

Indicator: Above-ground forest biomass
Unit: tonnes per hectare
Source: Food and Agriculture Organization of the United Nations – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 215 places, 1,311 data points, 1990–2025
Last refreshed: 18 September 2026

Above-ground biomass in forest (tonnes per hectare).