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

27 years are reported by both, from 1993 to 2019.

Where does this data come from?

Statizoid (derived), published as Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC Agriculture, per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Estonia vs Tonga: Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC

Estonia

0 units per US$ of GDP

in 2019

Tonga

0 units per US$ of GDP

in 2019

Estonia rank

96th

Tonga rank

95th

Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC over time

Estonia
Tonga

How they compare

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

The two have swapped places 3 times across 27 shared years of data; in 1993 it was Estonia ahead.

Estonia ranks 96th and Tonga ranks 95th of 202 countries.

Estonia has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Estonia	Tonga	Difference	Ahead
1990s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Estonia
2000s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Estonia
2010s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Estonia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher emission totals - emissions (co2eq) from n2o (ar5) - ipcc, Estonia or Tonga?: Tonga, at 0 units per US$ of GDP against 0 units per US$ of GDP in Estonia as of 2019.
What is the difference in emission totals - emissions (co2eq) from n2o (ar5) - ipcc between Estonia and Tonga?: 0 units per US$ of GDP, with Tonga ahead.
How many years of comparable data are there for Estonia and Tonga?: 27 years are reported by both, from 1993 to 2019.
How do Estonia and Tonga rank globally for emission totals - emissions (co2eq) from n2o (ar5) - ipcc?: Estonia ranks 96th and Tonga ranks 95th of 202 countries.
Where does this data come from?: Statizoid (derived), published as Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC Agriculture, 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: Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://reference.statizoid.com/compare/emission-totals-emissions-co2eq-from-n2o-ar5-ipcc-agriculture-per-unit-of-gdp/estonia/tonga/

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<a href="https://reference.statizoid.com/compare/emission-totals-emissions-co2eq-from-n2o-ar5-ipcc-agriculture-per-unit-of-gdp/estonia/tonga/">Estonia vs Tonga: Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC</a> — Statizoid

About this data

Indicator: Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC Agriculture, per unit of GDP
Unit: units per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 202 places, 9,742 data points, 1961–2019
Last refreshed: 27 August 2026

Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC Agriculture divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.