How many years of comparable data are there for Bulgaria 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.

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

Bulgaria

0.0009 kt per square kilometre

in 2023

Tonga

0.0008 kt per square kilometre

in 2023

Bulgaria rank

61st

Tonga rank

63rd

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

Bulgaria
Tonga

How they compare

Bulgaria 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.

Across all 63 years both countries report, Bulgaria has been ahead every year.

Bulgaria ranks 61st and Tonga ranks 63rd of 186 countries.

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

Head to head by decade

Decade	Bulgaria	Tonga	Difference	Ahead
1960s	0.0166 kt per square kilometre	0.0005 kt per square kilometre	0.0162 kt per square kilometre	Bulgaria
1970s	0.022 kt per square kilometre	0.0007 kt per square kilometre	0.0213 kt per square kilometre	Bulgaria
1980s	0.0191 kt per square kilometre	0.0007 kt per square kilometre	0.0184 kt per square kilometre	Bulgaria
1990s	0.0069 kt per square kilometre	0.0007 kt per square kilometre	0.0061 kt per square kilometre	Bulgaria
2000s	0.0042 kt per square kilometre	0.0008 kt per square kilometre	0.0034 kt per square kilometre	Bulgaria
2010s	0.0011 kt per square kilometre	0.0008 kt per square kilometre	0.0003 kt per square kilometre	Bulgaria
2020s	0.0009 kt per square kilometre	0.0008 kt per square kilometre	0.0001 kt per square kilometre	Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher ippu — emissions (co2eq) from n2o (ar5), per square kilometre, Bulgaria or Tonga?: Bulgaria, 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 Bulgaria and Tonga?: 0.0001 kt per square kilometre, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Tonga?: 63 years are reported by both, from 1961 to 2023.
How do Bulgaria and Tonga rank globally for ippu — emissions (co2eq) from n2o (ar5), per square kilometre?: Bulgaria ranks 61st 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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Bulgaria 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/bulgaria/tonga/

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<a href="https://climate.statizoid.com/compare/ippu-emissions-co2eq-from-n2o-ar5-per-square-kilometre/bulgaria/tonga/">Bulgaria 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.