How many years of comparable data are there for Ethiopia and Portugal?

31 years are reported by both, from 1993 to 2023.

Where does this data come from?

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

Ethiopia vs Portugal: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per

Ethiopia

0.0001 Mt CO2e per square kilometre

in 2023

Portugal

0.0001 Mt CO2e per square kilometre

in 2023

Ethiopia rank

70th

Portugal rank

68th

Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per over time

Ethiopia
Portugal

How they compare

Portugal currently reports 0.0001 Mt CO2e per square kilometre against 0.0001 Mt CO2e per square kilometre in Ethiopia, a difference of 0 Mt CO2e per square kilometre.

That makes Portugal's figure about 1.1 times Ethiopia's.

Across all 31 years both countries report, Portugal has been ahead every year.

Ethiopia ranks 70th and Portugal ranks 68th of 203 countries.

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

Head to head by decade

Decade	Ethiopia	Portugal	Difference	Ahead
1990s	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	Portugal
2000s	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	Portugal
2010s	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Portugal
2020s	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions (total) excluding lulucf (mt co2e), per, Ethiopia or Portugal?: Portugal, at 0.0001 Mt CO2e per square kilometre against 0.0001 Mt CO2e per square kilometre in Ethiopia as of 2023.
What is the difference in methane (ch4) emissions (total) excluding lulucf (mt co2e), per between Ethiopia and Portugal?: 0 Mt CO2e per square kilometre, with Portugal ahead.
How many years of comparable data are there for Ethiopia and Portugal?: 31 years are reported by both, from 1993 to 2023.
How do Ethiopia and Portugal rank globally for methane (ch4) emissions (total) excluding lulucf (mt co2e), per?: Ethiopia ranks 70th and Portugal ranks 68th of 203 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Ethiopia vs Portugal: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/ethiopia/portugal/

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About this data

Indicator: Methane (CH4) emissions (total) excluding LULUCF (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: 250 places, 12,804 data points, 1970–2023
Last refreshed: 21 September 2026

Methane (CH4) emissions (total) excluding LULUCF (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.