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

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

Where does this data come from?

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

Portugal vs United Kingdom: Methane (CH4) emissions from Building (Energy) (Mt CO2e), per square

Portugal

0 Mt CO2e per square kilometre

in 2023

United Kingdom

0 Mt CO2e per square kilometre

in 2023

Portugal rank

66th

United Kingdom rank

69th

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

Portugal
United Kingdom

How they compare

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

That makes Portugal's figure about 1.1 times United Kingdom's.

The two have swapped places 7 times across 54 shared years of data; in 1970 it was United Kingdom ahead.

Portugal ranks 66th and United Kingdom ranks 69th of 197 countries.

Across the 6 decades both report, Portugal averaged higher in 2 and United Kingdom in 4.

Head to head by decade

Decade	Portugal	United Kingdom	Difference	Ahead
1970s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	United Kingdom
1980s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	United Kingdom
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	United Kingdom
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Portugal
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Portugal
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	United Kingdom

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from building (energy) (mt co2e), per square, Portugal or United Kingdom?: Portugal, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in United Kingdom as of 2023.
What is the difference in methane (ch4) emissions from building (energy) (mt co2e), per square between Portugal and United Kingdom?: 0 Mt CO2e per square kilometre, with Portugal ahead.
How many years of comparable data are there for Portugal and United Kingdom?: 54 years are reported by both, from 1970 to 2023.
How do Portugal and United Kingdom rank globally for methane (ch4) emissions from building (energy) (mt co2e), per square?: Portugal ranks 66th and United Kingdom ranks 69th of 197 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Building (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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Portugal vs United Kingdom: Methane (CH4) emissions from Building (Energy) (Mt CO2e), per square. Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-building-energy-mt-co2e-per-square-kilometre/portugal/united-kingdom/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-building-energy-mt-co2e-per-square-kilometre/portugal/united-kingdom/">Portugal vs United Kingdom: Methane (CH4) emissions from Building (Energy) (Mt CO2e), per square</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Building (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: 244 places, 12,543 data points, 1970–2023
Last refreshed: 22 September 2026

Methane (CH4) emissions from Building (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.