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

50 years are reported by both, from 1975 to 2024.

Where does this data come from?

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

Hungary vs Tonga: Nitrous oxide (N2O) emissions from Power Industry (Energy) (Mt CO2e)

Hungary

0 Mt CO2e per US$ of GDP

in 2024

Tonga

0 Mt CO2e per US$ of GDP

in 2024

Hungary rank

95th

Tonga rank

98th

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

Hungary
Tonga

How they compare

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

Across all 50 years both countries report, Hungary has been ahead every year.

Hungary ranks 95th and Tonga ranks 98th of 191 countries.

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

Head to head by decade

Decade	Hungary	Tonga	Difference	Ahead
1970s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Hungary
1980s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Hungary
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 power industry (energy) (mt co2e), Hungary or Tonga?: Hungary, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Tonga as of 2024.
What is the difference in nitrous oxide (n2o) emissions from power industry (energy) (mt co2e) between Hungary and Tonga?: 0 Mt CO2e per US$ of GDP, with Hungary ahead.
How many years of comparable data are there for Hungary and Tonga?: 50 years are reported by both, from 1975 to 2024.
How do Hungary and Tonga rank globally for nitrous oxide (n2o) emissions from power industry (energy) (mt co2e)?: Hungary ranks 95th and Tonga ranks 98th of 191 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions from Power Industry (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 Tonga: 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-unit-of-gdp/hungary/tonga/

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<a href="https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-power-industry-energy-mt-co2e-per-unit-of-gdp/hungary/tonga/">Hungary vs Tonga: 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 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: 19 September 2026

Nitrous oxide (N2O) emissions from Power Industry (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.