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

38 years are reported by both, from 1987 to 2024.

Where does this data come from?

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

Sierra Leone vs Ukraine: Methane (CH4) emissions from Fugitive Emissions (Energy) (Mt CO2e)

Sierra Leone

0 Mt CO2e per US$ of GDP

in 2024

Ukraine

0 Mt CO2e per US$ of GDP

in 2024

Sierra Leone rank

21st

Ukraine rank

19th

Methane (CH4) emissions from Fugitive Emissions (Energy) (Mt CO2e) over time

Sierra Leone
Ukraine

How they compare

Ukraine 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 8 times across 38 shared years of data; in 1987 it was Ukraine ahead.

Sierra Leone ranks 21st and Ukraine ranks 19th of 190 countries.

Ukraine has averaged higher in every one of the 5 decades both report.

Head to head by decade

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

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from fugitive emissions (energy) (mt co2e), Sierra Leone or Ukraine?: Ukraine, 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 fugitive emissions (energy) (mt co2e) between Sierra Leone and Ukraine?: 0 Mt CO2e per US$ of GDP, with Ukraine ahead.
How many years of comparable data are there for Sierra Leone and Ukraine?: 38 years are reported by both, from 1987 to 2024.
How do Sierra Leone and Ukraine rank globally for methane (ch4) emissions from fugitive emissions (energy) (mt co2e)?: Sierra Leone ranks 21st and Ukraine ranks 19th of 190 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Fugitive Emissions (Energy) (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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Sierra Leone vs Ukraine: Methane (CH4) emissions from Fugitive Emissions (Energy) (Mt CO2e). Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-fugitive-emissions-energy-mt-co2e-per-unit-of-gdp/sierra-leone/ukraine/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-fugitive-emissions-energy-mt-co2e-per-unit-of-gdp/sierra-leone/ukraine/">Sierra Leone vs Ukraine: Methane (CH4) emissions from Fugitive Emissions (Energy) (Mt CO2e)</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Fugitive Emissions (Energy) (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: 237 places, 12,085 data points, 1970–2024
Last refreshed: 22 September 2026

Methane (CH4) emissions from Fugitive Emissions (Energy) (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.