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

32 years are reported by both, from 1992 to 2023.

Where does this data come from?

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

Samoa vs Ukraine: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square

Samoa

0 Mt CO2e per square kilometre

in 2023

Ukraine

0 Mt CO2e per square kilometre

in 2023

Samoa rank

112th

Ukraine rank

109th

Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square over time

Samoa
Ukraine

How they compare

Ukraine currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Samoa, a difference of 0 Mt CO2e per square kilometre.

That makes Ukraine's figure about 1.1 times Samoa's.

Across all 32 years both countries report, Ukraine has been ahead every year.

Samoa ranks 112th and Ukraine ranks 109th of 194 countries.

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

Head to head by decade

Decade	Samoa	Ukraine	Difference	Ahead
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Ukraine
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Ukraine
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Ukraine
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Ukraine

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from transport (energy) (mt co2e), per square, Samoa or Ukraine?: Ukraine, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Samoa as of 2023.
What is the difference in methane (ch4) emissions from transport (energy) (mt co2e), per square between Samoa and Ukraine?: 0 Mt CO2e per square kilometre, with Ukraine ahead.
How many years of comparable data are there for Samoa and Ukraine?: 32 years are reported by both, from 1992 to 2023.
How do Samoa and Ukraine rank globally for methane (ch4) emissions from transport (energy) (mt co2e), per square?: Samoa ranks 112th and Ukraine ranks 109th of 194 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Transport (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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Samoa vs Ukraine: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-square-kilometre/samoa/ukraine/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-square-kilometre/samoa/ukraine/">Samoa vs Ukraine: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Transport (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: 241 places, 12,381 data points, 1970–2023
Last refreshed: 21 September 2026

Methane (CH4) emissions from Transport (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.