Bulgaria vs Sierra Leone: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e)

Bulgaria
3.59 % change on previous year
in 2024
Sierra Leone
3.67 % change on previous year
in 2024
Bulgaria rank
76th
Sierra Leone rank
73rd

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

  • Bulgaria
  • Sierra Leone
-40-2002040197119972024

How they compare

Sierra Leone currently reports 3.67 % change on previous year against 3.59 % change on previous year in Bulgaria, a difference of 0.08 % change on previous year.

The two have swapped places 20 times across 54 shared years of data; in 1971 it was Sierra Leone ahead.

Bulgaria ranks 76th and Sierra Leone ranks 73rd of 194 countries.

Sierra Leone has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade Bulgaria Sierra Leone Difference Ahead
1970s -0.705 % change on previous year 11.26 % change on previous year 11.97 % change on previous year Sierra Leone
1980s 5.14 % change on previous year 8.28 % change on previous year 3.14 % change on previous year Sierra Leone
1990s 4.19 % change on previous year 4.58 % change on previous year 0.3853 % change on previous year Sierra Leone
2000s 1.44 % change on previous year 4.2 % change on previous year 2.75 % change on previous year Sierra Leone
2010s 1.84 % change on previous year 11.34 % change on previous year 9.51 % change on previous year Sierra Leone
2020s 1.72 % change on previous year 5.6 % change on previous year 3.88 % change on previous year Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions from transport (energy) (mt co2e), Bulgaria or Sierra Leone?
Sierra Leone, at 3.67 % change on previous year against 3.59 % change on previous year in Bulgaria as of 2024.
What is the difference in nitrous oxide (n2o) emissions from transport (energy) (mt co2e) between Bulgaria and Sierra Leone?
0.08 % change on previous year, with Sierra Leone ahead.
How many years of comparable data are there for Bulgaria and Sierra Leone?
54 years are reported by both, from 1971 to 2024.
How do Bulgaria and Sierra Leone rank globally for nitrous oxide (n2o) emissions from transport (energy) (mt co2e)?
Bulgaria ranks 76th and Sierra Leone ranks 73rd of 194 countries.
Where does this data come from?
Statizoid (derived), published as Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Sierra Leone: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e). Statizoid, drawing on Statizoid (derived). Retrieved 18 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-transport-energy-mt-co2e-annual-growth-rate/bulgaria/sierra-leone/

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<a href="https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-transport-energy-mt-co2e-annual-growth-rate/bulgaria/sierra-leone/">Bulgaria vs Sierra Leone: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e)</a> — Statizoid

About this data

Indicator
Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), annual growth rate
Unit
% change on previous year
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
241 places, 12,743 data points, 1971–2024
Last refreshed

The year-on-year percentage change in Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e). Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.