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

30 years are reported by both, from 1990 to 2019.

Where does this data come from?

Statizoid (derived), published as Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Farm-gate emissions, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Nauru vs Tonga: Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Farm-gate

Nauru

0.0884 units per square kilometre

in 2019

Tonga

0.0896 units per square kilometre

in 2019

Nauru rank

29th

Tonga rank

28th

Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Farm-gate over time

Nauru
Tonga

How they compare

Tonga currently reports 0.0896 units per square kilometre against 0.0884 units per square kilometre in Nauru, a difference of 0.0012 units per square kilometre.

The two have swapped places 1 time across 30 shared years of data; in 1990 it was Nauru ahead.

Nauru ranks 29th and Tonga ranks 28th of 208 countries.

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

Head to head by decade

Decade	Nauru	Tonga	Difference	Ahead
1990s	0.132 units per square kilometre	0.0857 units per square kilometre	0.0463 units per square kilometre	Nauru
2000s	0.1102 units per square kilometre	0.0867 units per square kilometre	0.0234 units per square kilometre	Nauru
2010s	0.1066 units per square kilometre	0.0887 units per square kilometre	0.0179 units per square kilometre	Nauru

Averages of every year both report within each decade.

Frequently asked questions

Which has higher emission totals - emissions (co2eq) from ch4 (ar5) - farm-gate, Nauru or Tonga?: Tonga, at 0.0896 units per square kilometre against 0.0884 units per square kilometre in Nauru as of 2019.
What is the difference in emission totals - emissions (co2eq) from ch4 (ar5) - farm-gate between Nauru and Tonga?: 0.0012 units per square kilometre, with Tonga ahead.
How many years of comparable data are there for Nauru and Tonga?: 30 years are reported by both, from 1990 to 2019.
How do Nauru and Tonga rank globally for emission totals - emissions (co2eq) from ch4 (ar5) - farm-gate?: Nauru ranks 29th and Tonga ranks 28th of 208 countries.
Where does this data come from?: Statizoid (derived), published as Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Farm-gate emissions, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Nauru vs Tonga: Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Farm-gate. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://reference.statizoid.com/compare/emission-totals-emissions-co2eq-from-ch4-ar5-farm-gate-emissions-per-square-kilometre/naoero/tonga/

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<a href="https://reference.statizoid.com/compare/emission-totals-emissions-co2eq-from-ch4-ar5-farm-gate-emissions-per-square-kilometre/naoero/tonga/">Nauru vs Tonga: Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Farm-gate</a> — Statizoid

About this data

Indicator: Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Farm-gate emissions, per square kilometre
Unit: units per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 209 places, 6,088 data points, 1990–2019
Last refreshed: 18 September 2026

Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Farm-gate emissions divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.