How many years of comparable data are there for Puerto Rico 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 N2O (AR5) - Farm-gate emissions, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Puerto Rico vs Tonga: Emission Totals - Emissions (CO2eq) from N2O (AR5) - Farm-gate

Puerto Rico

0.0252 units per square kilometre

in 2019

Tonga

0.0246 units per square kilometre

in 2019

Puerto Rico rank

76th

Tonga rank

77th

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

Puerto Rico
Tonga

How they compare

Puerto Rico currently reports 0.0252 units per square kilometre against 0.0246 units per square kilometre in Tonga, a difference of 0.0006 units per square kilometre.

Across all 30 years both countries report, Puerto Rico has been ahead every year.

Puerto Rico ranks 76th and Tonga ranks 77th of 208 countries.

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

Head to head by decade

Decade	Puerto Rico	Tonga	Difference	Ahead
1990s	0.0315 units per square kilometre	0.0217 units per square kilometre	0.0097 units per square kilometre	Puerto Rico
2000s	0.026 units per square kilometre	0.023 units per square kilometre	0.003 units per square kilometre	Puerto Rico
2010s	0.0256 units per square kilometre	0.024 units per square kilometre	0.0016 units per square kilometre	Puerto Rico

Averages of every year both report within each decade.

Frequently asked questions

Which has higher emission totals - emissions (co2eq) from n2o (ar5) - farm-gate, Puerto Rico or Tonga?: Puerto Rico, at 0.0252 units per square kilometre against 0.0246 units per square kilometre in Tonga as of 2019.
What is the difference in emission totals - emissions (co2eq) from n2o (ar5) - farm-gate between Puerto Rico and Tonga?: 0.0006 units per square kilometre, with Puerto Rico ahead.
How many years of comparable data are there for Puerto Rico and Tonga?: 30 years are reported by both, from 1990 to 2019.
How do Puerto Rico and Tonga rank globally for emission totals - emissions (co2eq) from n2o (ar5) - farm-gate?: Puerto Rico ranks 76th and Tonga ranks 77th of 208 countries.
Where does this data come from?: Statizoid (derived), published as Emission Totals - Emissions (CO2eq) from N2O (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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Puerto Rico vs Tonga: Emission Totals - Emissions (CO2eq) from N2O (AR5) - Farm-gate. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://reference.statizoid.com/compare/emission-totals-emissions-co2eq-from-n2o-ar5-farm-gate-emissions-per-square-kilometre/puerto-rico-us/tonga/

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<a href="https://reference.statizoid.com/compare/emission-totals-emissions-co2eq-from-n2o-ar5-farm-gate-emissions-per-square-kilometre/puerto-rico-us/tonga/">Puerto Rico vs Tonga: Emission Totals - Emissions (CO2eq) from N2O (AR5) - Farm-gate</a> — Statizoid

About this data

Indicator: Emission Totals - Emissions (CO2eq) from N2O (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 N2O (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.