How many years of comparable data are there for Guinea-Bissau 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.

Guinea-Bissau vs Tonga: Emission Totals - Emissions (CO2eq) from N2O (AR5) - Farm-gate

Guinea-Bissau

0.0241 units per square kilometre

in 2019

Tonga

0.0246 units per square kilometre

in 2019

Guinea-Bissau rank

79th

Tonga rank

77th

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

Guinea-Bissau
Tonga

How they compare

Tonga currently reports 0.0246 units per square kilometre against 0.0241 units per square kilometre in Guinea-Bissau, a difference of 0.0005 units per square kilometre.

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

Guinea-Bissau ranks 79th and Tonga ranks 77th of 208 countries.

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

Head to head by decade

Decade	Guinea-Bissau	Tonga	Difference	Ahead
1990s	0.0159 units per square kilometre	0.0217 units per square kilometre	0.0059 units per square kilometre	Tonga
2000s	0.0202 units per square kilometre	0.023 units per square kilometre	0.0029 units per square kilometre	Tonga
2010s	0.0229 units per square kilometre	0.024 units per square kilometre	0.0012 units per square kilometre	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher emission totals - emissions (co2eq) from n2o (ar5) - farm-gate, Guinea-Bissau or Tonga?: Tonga, at 0.0246 units per square kilometre against 0.0241 units per square kilometre in Guinea-Bissau as of 2019.
What is the difference in emission totals - emissions (co2eq) from n2o (ar5) - farm-gate between Guinea-Bissau and Tonga?: 0.0005 units per square kilometre, with Tonga ahead.
How many years of comparable data are there for Guinea-Bissau and Tonga?: 30 years are reported by both, from 1990 to 2019.
How do Guinea-Bissau and Tonga rank globally for emission totals - emissions (co2eq) from n2o (ar5) - farm-gate?: Guinea-Bissau ranks 79th 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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Guinea-Bissau 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/guinea-bissau/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/guinea-bissau/tonga/">Guinea-Bissau 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.