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

32 years are reported by both, from 1992 to 2023.

Where does this data come from?

Statizoid (derived), published as Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Sierra Leone vs Ukraine: Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per square

Sierra Leone

0 Mt CO2e per square kilometre

in 2023

Ukraine

0 Mt CO2e per square kilometre

in 2023

Sierra Leone rank

116th

Ukraine rank

114th

Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per square over time

Sierra Leone
Ukraine

How they compare

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

Across all 32 years both countries report, Ukraine has been ahead every year.

Sierra Leone ranks 116th and Ukraine ranks 114th of 203 countries.

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

Head to head by decade

Decade	Sierra Leone	Ukraine	Difference	Ahead
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Ukraine
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Ukraine
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Ukraine
2020s	0 Mt CO2e per square kilometre	0 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 nitrous oxide (n2o) emissions from waste (mt co2e), per square, Sierra Leone or Ukraine?: Ukraine, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Sierra Leone as of 2023.
What is the difference in nitrous oxide (n2o) emissions from waste (mt co2e), per square between Sierra Leone and Ukraine?: 0 Mt CO2e per square kilometre, with Ukraine ahead.
How many years of comparable data are there for Sierra Leone and Ukraine?: 32 years are reported by both, from 1992 to 2023.
How do Sierra Leone and Ukraine rank globally for nitrous oxide (n2o) emissions from waste (mt co2e), per square?: Sierra Leone ranks 116th and Ukraine ranks 114th of 203 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Ukraine: Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per square. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-waste-mt-co2e-per-square-kilometre/sierra-leone/ukraine/

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<a href="https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-waste-mt-co2e-per-square-kilometre/sierra-leone/ukraine/">Sierra Leone vs Ukraine: Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per square</a> — Statizoid

About this data

Indicator: Nitrous oxide (N2O) emissions from Waste (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: 18 September 2026

Nitrous oxide (N2O) emissions from Waste (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.