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

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

Where does this data come from?

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

Arab World vs Japan: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square

Arab World

0 Mt CO2e per square kilometre

in 2023

Japan

0 Mt CO2e per square kilometre

in 2023

Arab World rank

27th

Japan rank

26th

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

Arab World
Japan

How they compare

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

That makes Japan's figure about 8.4 times Arab World's.

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

Arab World ranks 27th and Japan ranks 26th of 47 groups.

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

Head to head by decade

Decade	Arab World	Japan	Difference	Ahead
1970s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Japan
1980s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Japan
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Japan
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Japan
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Japan
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from transport (energy) (mt co2e), per square, Arab World or Japan?: Japan, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Arab World as of 2023.
What is the difference in methane (ch4) emissions from transport (energy) (mt co2e), per square between Arab World and Japan?: 0 Mt CO2e per square kilometre, with Japan ahead.
How many years of comparable data are there for Arab World and Japan?: 54 years are reported by both, from 1970 to 2023.
How do Arab World and Japan rank globally for methane (ch4) emissions from transport (energy) (mt co2e), per square?: Arab World ranks 27th and Japan ranks 26th of 47 groups.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Transport (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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Arab World vs Japan: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-square-kilometre/arab-world/japan/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-square-kilometre/arab-world/japan/">Arab World vs Japan: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Transport (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: 241 places, 12,381 data points, 1970–2023
Last refreshed: 21 September 2026

Methane (CH4) emissions from Transport (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.