How many years of comparable data are there for Liberia 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.

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

Liberia

0 Mt CO2e per square kilometre

in 2023

Sierra Leone

0 Mt CO2e per square kilometre

in 2023

Liberia rank

150th

Sierra Leone rank

153rd

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

Liberia
Sierra Leone

How they compare

Liberia 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.

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

The two have swapped places 3 times across 54 shared years of data; in 1970 it was Sierra Leone ahead.

Liberia ranks 150th and Sierra Leone ranks 153rd of 193 countries.

Sierra Leone has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Liberia	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	Sierra Leone
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Sierra Leone
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Sierra Leone
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from industrial combustion (energy) (mt), Liberia or Sierra Leone?: Liberia, 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 Liberia and Sierra Leone?: 0 Mt CO2e per square kilometre, with Liberia ahead.
How many years of comparable data are there for Liberia and Sierra Leone?: 54 years are reported by both, from 1970 to 2023.
How do Liberia and Sierra Leone rank globally for methane (ch4) emissions from industrial combustion (energy) (mt)?: Liberia ranks 150th 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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Liberia 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/liberia/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/liberia/sierra-leone/">Liberia 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.