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 from Industrial Combustion (Energy) (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 from Industrial Combustion (Energy)

Comoros

0 Mt CO2e per square kilometre

in 2023

Tonga

0 Mt CO2e per square kilometre

in 2023

Comoros rank

84th

Tonga rank

85th

Carbon dioxide (CO2) emissions from Industrial Combustion (Energy) over time

Comoros
Tonga

How they compare

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

The two have swapped places 4 times across 54 shared years of data; in 1970 it was Comoros ahead.

Comoros ranks 84th and Tonga ranks 85th of 193 countries.

Across the 6 decades both report, Comoros averaged higher in 2 and Tonga in 4.

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	Comoros
1980s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Comoros
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Tonga
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Tonga
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Tonga
2020s	0 Mt CO2e per square kilometre	0 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 from industrial combustion (energy), Comoros or Tonga?: Comoros, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Tonga as of 2023.
What is the difference in carbon dioxide (co2) emissions from industrial combustion (energy) 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 from industrial combustion (energy)?: Comoros ranks 84th and Tonga ranks 85th of 193 countries.
Where does this data come from?: Statizoid (derived), published as Carbon dioxide (CO2) emissions from Industrial Combustion (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 Tonga: Carbon dioxide (CO2) emissions from Industrial Combustion (Energy). Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-from-industrial-combustion-energy-mt-co2e-per-square/comoros/tonga/

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<a href="https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-from-industrial-combustion-energy-mt-co2e-per-square/comoros/tonga/">Comoros vs Tonga: Carbon dioxide (CO2) emissions from Industrial Combustion (Energy)</a> — Statizoid

About this data

Indicator: Carbon dioxide (CO2) emissions from Industrial Combustion (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: 240 places, 12,327 data points, 1970–2023
Last refreshed: 20 September 2026

Carbon dioxide (CO2) emissions from Industrial Combustion (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.