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

55 years are reported by both, from 1970 to 2024.

Where does this data come from?

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

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

Sierra Leone

0 Mt CO2e per person

in 2024

Ukraine

0 Mt CO2e per person

in 2024

Sierra Leone rank

63rd

Ukraine rank

62nd

Nitrous oxide (N2O) emissions from Building (Energy) (Mt CO2e), per over time

Sierra Leone
Ukraine

How they compare

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

The two have swapped places 3 times across 55 shared years of data; in 1970 it was Sierra Leone ahead.

Sierra Leone ranks 63rd and Ukraine ranks 62nd of 197 countries.

Across the 6 decades both report, Sierra Leone averaged higher in 4 and Ukraine in 2.

Head to head by decade

Decade	Sierra Leone	Ukraine	Difference	Ahead
1970s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Ukraine
1980s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Ukraine
1990s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Sierra Leone
2000s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Sierra Leone
2010s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Sierra Leone
2020s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions from building (energy) (mt co2e), per, Sierra Leone or Ukraine?: Ukraine, at 0 Mt CO2e per person against 0 Mt CO2e per person in Sierra Leone as of 2024.
What is the difference in nitrous oxide (n2o) emissions from building (energy) (mt co2e), per between Sierra Leone and Ukraine?: 0 Mt CO2e per person, with Ukraine ahead.
How many years of comparable data are there for Sierra Leone and Ukraine?: 55 years are reported by both, from 1970 to 2024.
How do Sierra Leone and Ukraine rank globally for nitrous oxide (n2o) emissions from building (energy) (mt co2e), per?: Sierra Leone ranks 63rd and Ukraine ranks 62nd of 197 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions from Building (Energy) (Mt CO2e), per capita. 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 Building (Energy) (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 19 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-building-energy-mt-co2e-per-capita/sierra-leone/ukraine/

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

About this data

Indicator: Nitrous oxide (N2O) emissions from Building (Energy) (Mt CO2e), per capita
Unit: Mt CO2e per person
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 244 places, 13,420 data points, 1970–2024
Last refreshed: 19 September 2026

Nitrous oxide (N2O) emissions from Building (Energy) (Mt CO2e) divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.