How many years of comparable data are there for Jamaica 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.

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

Jamaica

0 Mt CO2e per square kilometre

in 2023

Japan

0 Mt CO2e per square kilometre

in 2023

Jamaica rank

28th

Japan rank

26th

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

Jamaica
Japan

How they compare

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

That makes Japan's figure about 1.1 times Jamaica's.

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

Jamaica ranks 28th and Japan ranks 26th of 194 countries.

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

Head to head by decade

Decade	Jamaica	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, Jamaica or Japan?: Japan, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Jamaica as of 2023.
What is the difference in methane (ch4) emissions from transport (energy) (mt co2e), per square between Jamaica and Japan?: 0 Mt CO2e per square kilometre, with Japan ahead.
How many years of comparable data are there for Jamaica and Japan?: 54 years are reported by both, from 1970 to 2023.
How do Jamaica and Japan rank globally for methane (ch4) emissions from transport (energy) (mt co2e), per square?: Jamaica ranks 28th and Japan ranks 26th of 194 countries.
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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Jamaica 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/jamaica/japan/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-square-kilometre/jamaica/japan/">Jamaica 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.