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

32 years are reported by both, from 1992 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.

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

Tonga

0.0002 Mt CO2e per square kilometre

in 2023

Ukraine

0.0002 Mt CO2e per square kilometre

in 2023

Tonga rank

90th

Ukraine rank

91st

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

Tonga
Ukraine

How they compare

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

That makes Tonga's figure about 1.1 times Ukraine's.

The two have swapped places 1 time across 32 shared years of data; in 1992 it was Ukraine ahead.

Tonga ranks 90th and Ukraine ranks 91st of 203 countries.

Ukraine has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	Tonga	Ukraine	Difference	Ahead
1990s	0.0002 Mt CO2e per square kilometre	0.0008 Mt CO2e per square kilometre	0.0006 Mt CO2e per square kilometre	Ukraine
2000s	0.0002 Mt CO2e per square kilometre	0.0006 Mt CO2e per square kilometre	0.0005 Mt CO2e per square kilometre	Ukraine
2010s	0.0002 Mt CO2e per square kilometre	0.0005 Mt CO2e per square kilometre	0.0003 Mt CO2e per square kilometre	Ukraine
2020s	0.0002 Mt CO2e per square kilometre	0.0003 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Ukraine

Averages of every year both report within each decade.

Frequently asked questions

Which has higher carbon dioxide (co2) emissions (total) excluding lulucf (mt co2e), Tonga or Ukraine?: Tonga, at 0.0002 Mt CO2e per square kilometre against 0.0002 Mt CO2e per square kilometre in Ukraine as of 2023.
What is the difference in carbon dioxide (co2) emissions (total) excluding lulucf (mt co2e) between Tonga and Ukraine?: 0 Mt CO2e per square kilometre, with Tonga ahead.
How many years of comparable data are there for Tonga and Ukraine?: 32 years are reported by both, from 1992 to 2023.
How do Tonga and Ukraine rank globally for carbon dioxide (co2) emissions (total) excluding lulucf (mt co2e)?: Tonga ranks 90th and Ukraine ranks 91st 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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Tonga vs Ukraine: Carbon dioxide (CO2) emissions (total) excluding LULUCF (Mt CO2e). Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/tonga/ukraine/

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<a href="https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/tonga/ukraine/">Tonga vs Ukraine: 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.