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

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 Power Industry (Energy) (Mt CO2e), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Sierra Leone vs Yemen: Nitrous oxide (N2O) emissions from Power Industry (Energy) (Mt CO2e)

Sierra Leone

0 Mt CO2e per person

in 2024

Yemen

0 Mt CO2e per person

in 2024

Sierra Leone rank

174th

Yemen rank

176th

Nitrous oxide (N2O) emissions from Power Industry (Energy) (Mt CO2e) over time

Sierra Leone
Yemen

How they compare

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

That makes Sierra Leone's figure about 1.1 times Yemen's.

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

Sierra Leone ranks 174th and Yemen ranks 176th of 194 countries.

Across the 6 decades both report, Sierra Leone averaged higher in 1 and Yemen in 5.

Head to head by decade

Decade	Sierra Leone	Yemen	Difference	Ahead
1970s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Yemen
1980s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Yemen
1990s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Yemen
2000s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Yemen
2010s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Yemen
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 power industry (energy) (mt co2e), Sierra Leone or Yemen?: Sierra Leone, at 0 Mt CO2e per person against 0 Mt CO2e per person in Yemen as of 2024.
What is the difference in nitrous oxide (n2o) emissions from power industry (energy) (mt co2e) between Sierra Leone and Yemen?: 0 Mt CO2e per person, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Yemen?: 55 years are reported by both, from 1970 to 2024.
How do Sierra Leone and Yemen rank globally for nitrous oxide (n2o) emissions from power industry (energy) (mt co2e)?: Sierra Leone ranks 174th and Yemen ranks 176th of 194 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions from Power Industry (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 Yemen: Nitrous oxide (N2O) emissions from Power Industry (Energy) (Mt CO2e). Statizoid, drawing on Statizoid (derived). Retrieved 19 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-power-industry-energy-mt-co2e-per-capita/sierra-leone/yemen-rep/

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<a href="https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-power-industry-energy-mt-co2e-per-capita/sierra-leone/yemen-rep/">Sierra Leone vs Yemen: Nitrous oxide (N2O) emissions from Power Industry (Energy) (Mt CO2e)</a> — Statizoid

About this data

Indicator: Nitrous oxide (N2O) emissions from Power Industry (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: 241 places, 13,255 data points, 1970–2024
Last refreshed: 19 September 2026

Nitrous oxide (N2O) emissions from Power Industry (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.