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

55 years are reported by both, from 1970 to 2024.

Where does this data come from?

Statizoid (derived), published as Methane (CH4) emissions from Waste (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Liberia vs Sierra Leone: Methane (CH4) emissions from Waste (Mt CO2e), per unit of GDP

Liberia

0 Mt CO2e per US$ of GDP

in 2024

Sierra Leone

0 Mt CO2e per US$ of GDP

in 2024

Liberia rank

18th

Sierra Leone rank

21st

Methane (CH4) emissions from Waste (Mt CO2e), per unit of GDP over time

Liberia
Sierra Leone

How they compare

Liberia currently reports 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Sierra Leone, a difference of 0 Mt CO2e per US$ of GDP.

The two have swapped places 6 times across 55 shared years of data; in 1970 it was Liberia ahead.

Liberia ranks 18th and Sierra Leone ranks 21st of 200 countries.

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

Head to head by decade

Decade	Liberia	Sierra Leone	Difference	Ahead
1970s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Sierra Leone
1980s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Sierra Leone
1990s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Liberia
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Liberia
2010s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Liberia
2020s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Liberia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from waste (mt co2e), per unit of gdp, Liberia or Sierra Leone?: Liberia, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Sierra Leone as of 2024.
What is the difference in methane (ch4) emissions from waste (mt co2e), per unit of gdp between Liberia and Sierra Leone?: 0 Mt CO2e per US$ of GDP, with Liberia ahead.
How many years of comparable data are there for Liberia and Sierra Leone?: 55 years are reported by both, from 1970 to 2024.
How do Liberia and Sierra Leone rank globally for methane (ch4) emissions from waste (mt co2e), per unit of gdp?: Liberia ranks 18th and Sierra Leone ranks 21st of 200 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Waste (Mt CO2e), per unit of GDP. 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 Waste (Mt CO2e), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-waste-mt-co2e-per-unit-of-gdp/liberia/sierra-leone/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-waste-mt-co2e-per-unit-of-gdp/liberia/sierra-leone/">Liberia vs Sierra Leone: Methane (CH4) emissions from Waste (Mt CO2e), per unit of GDP</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Waste (Mt CO2e), per unit of GDP
Unit: Mt CO2e per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 247 places, 12,498 data points, 1970–2024
Last refreshed: 21 September 2026

Methane (CH4) emissions from Waste (Mt CO2e) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.