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

54 years are reported by both, from 1970 to 2023.

Where does this data come from?

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

Portugal vs Thailand: Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre

Portugal

0.0001 Mt CO2e per square kilometre

in 2023

Thailand

0.0001 Mt CO2e per square kilometre

in 2023

Portugal rank

40th

Thailand rank

43rd

Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre over time

Portugal
Thailand

How they compare

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

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

Across all 54 years both countries report, Portugal has been ahead every year.

Portugal ranks 40th and Thailand ranks 43rd of 203 countries.

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

Head to head by decade

Decade	Portugal	Thailand	Difference	Ahead
1970s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Portugal
1980s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Portugal
1990s	0.0001 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Portugal
2000s	0.0001 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Portugal
2010s	0.0001 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Portugal
2020s	0.0001 Mt CO2e per square kilometre	0 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 from waste (mt co2e), per square kilometre, Portugal or Thailand?: Portugal, at 0.0001 Mt CO2e per square kilometre against 0.0001 Mt CO2e per square kilometre in Thailand as of 2023.
What is the difference in methane (ch4) emissions from waste (mt co2e), per square kilometre between Portugal and Thailand?: 0 Mt CO2e per square kilometre, with Portugal ahead.
How many years of comparable data are there for Portugal and Thailand?: 54 years are reported by both, from 1970 to 2023.
How do Portugal and Thailand rank globally for methane (ch4) emissions from waste (mt co2e), per square kilometre?: Portugal ranks 40th and Thailand ranks 43rd of 203 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Portugal vs Thailand: Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-waste-mt-co2e-per-square-kilometre/portugal/thailand/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-waste-mt-co2e-per-square-kilometre/portugal/thailand/">Portugal vs Thailand: Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Waste (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 from Waste (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.