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

54 years are reported by both, from 1970 to 2023.

Where does this data come from?

Statizoid (derived), published as Methane (CH4) emissions from Industrial Combustion (Energy) (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Gambia vs Sierra Leone: Methane (CH4) emissions from Industrial Combustion (Energy) (Mt)

Gambia

0 Mt CO2e per square kilometre

in 2023

Sierra Leone

0 Mt CO2e per square kilometre

in 2023

Gambia rank

151st

Sierra Leone rank

153rd

Methane (CH4) emissions from Industrial Combustion (Energy) (Mt) over time

Gambia
Sierra Leone

How they compare

Gambia currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Sierra Leone, a difference of 0 Mt CO2e per square kilometre.

The two have swapped places 1 time across 54 shared years of data; in 1970 it was Sierra Leone ahead.

Gambia ranks 151st and Sierra Leone ranks 153rd of 193 countries.

Across the 6 decades both report, Gambia averaged higher in 4 and Sierra Leone in 2.

Head to head by decade

Decade	Gambia	Sierra Leone	Difference	Ahead
1970s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Sierra Leone
1980s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Sierra Leone
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Gambia
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Gambia
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Gambia
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Gambia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from industrial combustion (energy) (mt), Gambia or Sierra Leone?: Gambia, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Sierra Leone as of 2023.
What is the difference in methane (ch4) emissions from industrial combustion (energy) (mt) between Gambia and Sierra Leone?: 0 Mt CO2e per square kilometre, with Gambia ahead.
How many years of comparable data are there for Gambia and Sierra Leone?: 54 years are reported by both, from 1970 to 2023.
How do Gambia and Sierra Leone rank globally for methane (ch4) emissions from industrial combustion (energy) (mt)?: Gambia ranks 151st and Sierra Leone ranks 153rd of 193 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Industrial Combustion (Energy) (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Gambia vs Sierra Leone: Methane (CH4) emissions from Industrial Combustion (Energy) (Mt). Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-industrial-combustion-energy-mt-co2e-per-square-kilometre/gambia-the/sierra-leone/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-industrial-combustion-energy-mt-co2e-per-square-kilometre/gambia-the/sierra-leone/">Gambia vs Sierra Leone: Methane (CH4) emissions from Industrial Combustion (Energy) (Mt)</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Industrial Combustion (Energy) (Mt CO2e), per square kilometre
Unit: Mt CO2e per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 240 places, 12,327 data points, 1970–2023
Last refreshed: 22 September 2026

Methane (CH4) emissions from Industrial Combustion (Energy) (Mt CO2e) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.