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

32 years are reported by both, from 1992 to 2023.

Where does this data come from?

Statizoid (derived), published as Methane (CH4) emissions from Building (Energy) (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Azerbaijan vs Tonga: Methane (CH4) emissions from Building (Energy) (Mt CO2e), per square

Azerbaijan

0 Mt CO2e per square kilometre

in 2023

Tonga

0 Mt CO2e per square kilometre

in 2023

Azerbaijan rank

153rd

Tonga rank

150th

Methane (CH4) emissions from Building (Energy) (Mt CO2e), per square over time

Azerbaijan
Tonga

How they compare

Tonga currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Azerbaijan, a difference of 0 Mt CO2e per square kilometre.

That makes Tonga's figure about 1.1 times Azerbaijan's.

The two have swapped places 7 times across 32 shared years of data; in 1992 it was Azerbaijan ahead.

Azerbaijan ranks 153rd and Tonga ranks 150th of 197 countries.

Across the 4 decades both report, Azerbaijan averaged higher in 2 and Tonga in 2.

Head to head by decade

Decade	Azerbaijan	Tonga	Difference	Ahead
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Tonga
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Azerbaijan
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Azerbaijan
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from building (energy) (mt co2e), per square, Azerbaijan or Tonga?: Tonga, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Azerbaijan as of 2023.
What is the difference in methane (ch4) emissions from building (energy) (mt co2e), per square between Azerbaijan and Tonga?: 0 Mt CO2e per square kilometre, with Tonga ahead.
How many years of comparable data are there for Azerbaijan and Tonga?: 32 years are reported by both, from 1992 to 2023.
How do Azerbaijan and Tonga rank globally for methane (ch4) emissions from building (energy) (mt co2e), per square?: Azerbaijan ranks 153rd and Tonga ranks 150th of 197 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Building (Energy) (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Azerbaijan vs Tonga: Methane (CH4) emissions from Building (Energy) (Mt CO2e), per square. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-building-energy-mt-co2e-per-square-kilometre/azerbaijan/tonga/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-building-energy-mt-co2e-per-square-kilometre/azerbaijan/tonga/">Azerbaijan vs Tonga: Methane (CH4) emissions from Building (Energy) (Mt CO2e), per square</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Building (Energy) (Mt CO2e), per square kilometre
Unit: Mt CO2e per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 244 places, 12,543 data points, 1970–2023
Last refreshed: 22 September 2026

Methane (CH4) emissions from Building (Energy) (Mt CO2e) 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.