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

63 years are reported by both, from 1961 to 2023.

Where does this data come from?

Statizoid (derived), published as IPPU — Emissions (CO2eq) from N2O (AR5), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Kiribati vs Tonga: IPPU — Emissions (CO2eq) from N2O (AR5), per square kilometre

Kiribati

0.0009 kt per square kilometre

in 2023

Tonga

0.0008 kt per square kilometre

in 2023

Kiribati rank

62nd

Tonga rank

63rd

IPPU — Emissions (CO2eq) from N2O (AR5), per square kilometre over time

Kiribati
Tonga

How they compare

Kiribati currently reports 0.0009 kt per square kilometre against 0.0008 kt per square kilometre in Tonga, a difference of 0.0001 kt per square kilometre.

The two have swapped places 1 time across 63 shared years of data; in 1961 it was Tonga ahead.

Kiribati ranks 62nd and Tonga ranks 63rd of 186 countries.

Tonga has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade	Kiribati	Tonga	Difference	Ahead
1960s	0.0002 kt per square kilometre	0.0005 kt per square kilometre	0.0002 kt per square kilometre	Tonga
1970s	0.0004 kt per square kilometre	0.0007 kt per square kilometre	0.0003 kt per square kilometre	Tonga
1980s	0.0004 kt per square kilometre	0.0007 kt per square kilometre	0.0003 kt per square kilometre	Tonga
1990s	0.0005 kt per square kilometre	0.0007 kt per square kilometre	0.0002 kt per square kilometre	Tonga
2000s	0.0006 kt per square kilometre	0.0008 kt per square kilometre	0.0001 kt per square kilometre	Tonga
2010s	0.0007 kt per square kilometre	0.0008 kt per square kilometre	0.0001 kt per square kilometre	Tonga
2020s	0.0008 kt per square kilometre	0.0008 kt per square kilometre	0 kt per square kilometre	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher ippu — emissions (co2eq) from n2o (ar5), per square kilometre, Kiribati or Tonga?: Kiribati, at 0.0009 kt per square kilometre against 0.0008 kt per square kilometre in Tonga as of 2023.
What is the difference in ippu — emissions (co2eq) from n2o (ar5), per square kilometre between Kiribati and Tonga?: 0.0001 kt per square kilometre, with Kiribati ahead.
How many years of comparable data are there for Kiribati and Tonga?: 63 years are reported by both, from 1961 to 2023.
How do Kiribati and Tonga rank globally for ippu — emissions (co2eq) from n2o (ar5), per square kilometre?: Kiribati ranks 62nd and Tonga ranks 63rd of 186 countries.
Where does this data come from?: Statizoid (derived), published as IPPU — Emissions (CO2eq) from N2O (AR5), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Kiribati vs Tonga: IPPU — Emissions (CO2eq) from N2O (AR5), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://climate.statizoid.com/compare/ippu-emissions-co2eq-from-n2o-ar5-per-square-kilometre/kiribati/tonga/

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<a href="https://climate.statizoid.com/compare/ippu-emissions-co2eq-from-n2o-ar5-per-square-kilometre/kiribati/tonga/">Kiribati vs Tonga: IPPU — Emissions (CO2eq) from N2O (AR5), per square kilometre</a> — Statizoid

About this data

Indicator: IPPU — Emissions (CO2eq) from N2O (AR5), per square kilometre
Unit: kt per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 187 places, 10,734 data points, 1961–2023
Last refreshed: 22 September 2026

IPPU — Emissions (CO2eq) from N2O (AR5) 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.