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

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

Where does this data come from?

Statizoid (derived), published as Carbon dioxide (CO2) emissions (total) excluding LULUCF (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Comoros vs Tonga: Carbon dioxide (CO2) emissions (total) excluding LULUCF (Mt CO2e)

Comoros

0.0002 Mt CO2e per square kilometre

in 2023

Tonga

0.0002 Mt CO2e per square kilometre

in 2023

Comoros rank

88th

Tonga rank

90th

Carbon dioxide (CO2) emissions (total) excluding LULUCF (Mt CO2e) over time

Comoros
Tonga

How they compare

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

The two have swapped places 1 time across 54 shared years of data; in 1970 it was Tonga ahead.

Comoros ranks 88th and Tonga ranks 90th of 203 countries.

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

Head to head by decade

Decade	Comoros	Tonga	Difference	Ahead
1970s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Tonga
1980s	0 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Tonga
1990s	0 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	Tonga
2000s	0.0001 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	Tonga
2010s	0.0001 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	Tonga
2020s	0.0002 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher carbon dioxide (co2) emissions (total) excluding lulucf (mt co2e), Comoros or Tonga?: Comoros, at 0.0002 Mt CO2e per square kilometre against 0.0002 Mt CO2e per square kilometre in Tonga as of 2023.
What is the difference in carbon dioxide (co2) emissions (total) excluding lulucf (mt co2e) between Comoros and Tonga?: 0 Mt CO2e per square kilometre, with Comoros ahead.
How many years of comparable data are there for Comoros and Tonga?: 54 years are reported by both, from 1970 to 2023.
How do Comoros and Tonga rank globally for carbon dioxide (co2) emissions (total) excluding lulucf (mt co2e)?: Comoros ranks 88th and Tonga ranks 90th of 203 countries.
Where does this data come from?: Statizoid (derived), published as Carbon dioxide (CO2) 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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Comoros vs Tonga: Carbon dioxide (CO2) emissions (total) excluding LULUCF (Mt CO2e). Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/comoros/tonga/

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<a href="https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/comoros/tonga/">Comoros vs Tonga: Carbon dioxide (CO2) emissions (total) excluding LULUCF (Mt CO2e)</a> — Statizoid

About this data

Indicator: Carbon dioxide (CO2) 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: 20 September 2026

Carbon dioxide (CO2) 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.