How many years of comparable data are there for Hungary and Slovakia?

35 years are reported by both, from 1990 to 2024.

Where does this data come from?

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

Hungary vs Slovakia: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per

Hungary

0 Mt CO2e per US$ of GDP

in 2024

Slovakia

0 Mt CO2e per US$ of GDP

in 2024

Hungary rank

143rd

Slovakia rank

145th

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

Hungary
Slovakia

How they compare

Hungary currently reports 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Slovakia, a difference of 0 Mt CO2e per US$ of GDP.

The two have swapped places 6 times across 35 shared years of data; in 1990 it was Hungary ahead.

Hungary ranks 143rd and Slovakia ranks 145th of 191 countries.

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

Head to head by decade

Decade	Hungary	Slovakia	Difference	Ahead
1990s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Hungary
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Hungary
2010s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Hungary
2020s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Hungary

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per, Hungary or Slovakia?: Hungary, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Slovakia as of 2024.
What is the difference in nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per between Hungary and Slovakia?: 0 Mt CO2e per US$ of GDP, with Hungary ahead.
How many years of comparable data are there for Hungary and Slovakia?: 35 years are reported by both, from 1990 to 2024.
How do Hungary and Slovakia rank globally for nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per?: Hungary ranks 143rd and Slovakia ranks 145th of 191 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Hungary vs Slovakia: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 18 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-transport-energy-mt-co2e-per-unit-of-gdp/hungary/slovak-republic/

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About this data

Indicator: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per unit of GDP
Unit: Mt CO2e per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 238 places, 12,139 data points, 1970–2024
Last refreshed: 18 September 2026

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