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

54 years are reported by both, from 1970 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.

Denmark vs Nigeria: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per

Denmark

0.0002 Mt CO2e per square kilometre

in 2023

Nigeria

0.0002 Mt CO2e per square kilometre

in 2023

Denmark rank

35th

Nigeria rank

38th

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

Denmark
Nigeria

How they compare

Denmark currently reports 0.0002 Mt CO2e per square kilometre against 0.0002 Mt CO2e per square kilometre in Nigeria, a difference of 0 Mt CO2e per square kilometre.

That makes Denmark's figure about 1.1 times Nigeria's.

The two have swapped places 6 times across 54 shared years of data; in 1970 it was Denmark ahead.

Denmark ranks 35th and Nigeria ranks 38th of 203 countries.

Across the 6 decades both report, Denmark averaged higher in 4 and Nigeria in 2.

Head to head by decade

Decade	Denmark	Nigeria	Difference	Ahead
1970s	0.0003 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	Denmark
1980s	0.0003 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	Denmark
1990s	0.0002 Mt CO2e per square kilometre	0.0003 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Nigeria
2000s	0.0002 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Nigeria
2010s	0.0002 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Denmark
2020s	0.0002 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Denmark

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions (total) excluding lulucf (mt co2e), per, Denmark or Nigeria?: Denmark, at 0.0002 Mt CO2e per square kilometre against 0.0002 Mt CO2e per square kilometre in Nigeria as of 2023.
What is the difference in methane (ch4) emissions (total) excluding lulucf (mt co2e), per between Denmark and Nigeria?: 0 Mt CO2e per square kilometre, with Denmark ahead.
How many years of comparable data are there for Denmark and Nigeria?: 54 years are reported by both, from 1970 to 2023.
How do Denmark and Nigeria rank globally for methane (ch4) emissions (total) excluding lulucf (mt co2e), per?: Denmark ranks 35th and Nigeria ranks 38th 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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Denmark vs Nigeria: 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/denmark/nigeria/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/denmark/nigeria/">Denmark vs Nigeria: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per</a> — Statizoid

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.