How many years of comparable data are there for Comoros and Puerto Rico?

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.

Comoros vs Puerto Rico: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square

Comoros

0 Mt CO2e per square kilometre

in 2023

Puerto Rico

0 Mt CO2e per square kilometre

in 2023

Comoros rank

36th

Puerto Rico rank

34th

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

Comoros
Puerto Rico

How they compare

Puerto Rico currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Comoros, a difference of 0 Mt CO2e per square kilometre.

That makes Puerto Rico's figure about 1.1 times Comoros's.

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

Comoros ranks 36th and Puerto Rico ranks 34th of 194 countries.

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

Head to head by decade

Decade	Comoros	Puerto Rico	Difference	Ahead
1970s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Puerto Rico
1980s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Puerto Rico
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Puerto Rico
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Puerto Rico
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Puerto Rico
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Puerto Rico

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, Comoros or Puerto Rico?: Puerto Rico, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Comoros as of 2023.
What is the difference in methane (ch4) emissions from transport (energy) (mt co2e), per square between Comoros and Puerto Rico?: 0 Mt CO2e per square kilometre, with Puerto Rico ahead.
How many years of comparable data are there for Comoros and Puerto Rico?: 54 years are reported by both, from 1970 to 2023.
How do Comoros and Puerto Rico rank globally for methane (ch4) emissions from transport (energy) (mt co2e), per square?: Comoros ranks 36th and Puerto Rico ranks 34th 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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Comoros vs Puerto Rico: 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/comoros/puerto-rico-us/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-square-kilometre/comoros/puerto-rico-us/">Comoros vs Puerto Rico: 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.