How many years of comparable data are there for Denmark and Ireland?

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.

Denmark vs Ireland: Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre

Denmark

0 Mt CO2e per square kilometre

in 2023

Ireland

0 Mt CO2e per square kilometre

in 2023

Denmark rank

96th

Ireland rank

95th

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

Denmark
Ireland

How they compare

Ireland currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Denmark, a difference of 0 Mt CO2e per square kilometre.

The two have swapped places 1 time across 54 shared years of data; in 1970 it was Denmark ahead.

Denmark ranks 96th and Ireland ranks 95th of 203 countries.

Across the 6 decades both report, Denmark averaged higher in 3 and Ireland in 3.

Head to head by decade

Decade	Denmark	Ireland	Difference	Ahead
1970s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Denmark
1980s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Denmark
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Denmark
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Ireland
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Ireland
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Ireland

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, Denmark or Ireland?: Ireland, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Denmark as of 2023.
What is the difference in methane (ch4) emissions from waste (mt co2e), per square kilometre between Denmark and Ireland?: 0 Mt CO2e per square kilometre, with Ireland ahead.
How many years of comparable data are there for Denmark and Ireland?: 54 years are reported by both, from 1970 to 2023.
How do Denmark and Ireland rank globally for methane (ch4) emissions from waste (mt co2e), per square kilometre?: Denmark ranks 96th and Ireland ranks 95th 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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Denmark vs Ireland: 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/denmark/ireland/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-waste-mt-co2e-per-square-kilometre/denmark/ireland/">Denmark vs Ireland: 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.