How many years of comparable data are there for Japan and Slovenia?

32 years are reported by both, from 1992 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.

Japan vs Slovenia: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per

Japan

0.0001 Mt CO2e per square kilometre

in 2023

Slovenia

0.0001 Mt CO2e per square kilometre

in 2023

Japan rank

60th

Slovenia rank

57th

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

Japan
Slovenia

How they compare

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

The two have swapped places 2 times across 32 shared years of data; in 1992 it was Slovenia ahead.

Japan ranks 60th and Slovenia ranks 57th of 203 countries.

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

Head to head by decade

Decade	Japan	Slovenia	Difference	Ahead
1990s	0.0002 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Slovenia
2000s	0.0002 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Slovenia
2010s	0.0001 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Slovenia
2020s	0.0001 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Slovenia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions (total) excluding lulucf (mt co2e), per, Japan or Slovenia?: Slovenia, at 0.0001 Mt CO2e per square kilometre against 0.0001 Mt CO2e per square kilometre in Japan as of 2023.
What is the difference in methane (ch4) emissions (total) excluding lulucf (mt co2e), per between Japan and Slovenia?: 0 Mt CO2e per square kilometre, with Slovenia ahead.
How many years of comparable data are there for Japan and Slovenia?: 32 years are reported by both, from 1992 to 2023.
How do Japan and Slovenia rank globally for methane (ch4) emissions (total) excluding lulucf (mt co2e), per?: Japan ranks 60th and Slovenia ranks 57th 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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Japan vs Slovenia: 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/japan/slovenia/

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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.