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

32 years are reported by both, from 1993 to 2024.

Where does this data come from?

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

Estonia vs Tonga: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per

Estonia

0 Mt CO2e per US$ of GDP

in 2024

Tonga

0 Mt CO2e per US$ of GDP

in 2024

Estonia rank

86th

Tonga rank

85th

Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per over time

Estonia
Tonga

How they compare

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

The two have swapped places 3 times across 32 shared years of data; in 1993 it was Estonia ahead.

Estonia ranks 86th and Tonga ranks 85th of 200 countries.

Across the 4 decades both report, Estonia averaged higher in 3 and Tonga in 1.

Head to head by decade

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

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per, Estonia or Tonga?: Tonga, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Estonia as of 2024.
What is the difference in nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per between Estonia and Tonga?: 0 Mt CO2e per US$ of GDP, with Tonga ahead.
How many years of comparable data are there for Estonia and Tonga?: 32 years are reported by both, from 1993 to 2024.
How do Estonia and Tonga rank globally for nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per?: Estonia ranks 86th and Tonga ranks 85th of 200 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions (total) excluding LULUCF (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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Estonia vs Tonga: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 19 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-total-excluding-lulucf-mt-co2e-per-unit-of-gdp/estonia/tonga/

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<a href="https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-total-excluding-lulucf-mt-co2e-per-unit-of-gdp/estonia/tonga/">Estonia vs Tonga: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per</a> — Statizoid

About this data

Indicator: Nitrous oxide (N2O) emissions (total) excluding LULUCF (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: 247 places, 12,498 data points, 1970–2024
Last refreshed: 19 September 2026

Nitrous oxide (N2O) emissions (total) excluding LULUCF (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.