How many years of comparable data are there for Mongolia and New Caledonia?

54 years are reported by both, from 1970 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.

Mongolia vs New Caledonia: Methane (CH4) emissions from Building (Energy) (Mt CO2e), per square

Mongolia

0 Mt CO2e per square kilometre

in 2023

New Caledonia

0 Mt CO2e per square kilometre

in 2023

Mongolia rank

170th

New Caledonia rank

173rd

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

Mongolia
New Caledonia

How they compare

Mongolia currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in New Caledonia, a difference of 0 Mt CO2e per square kilometre.

That makes Mongolia's figure about 1.7 times New Caledonia's.

The two have swapped places 3 times across 54 shared years of data; in 1970 it was New Caledonia ahead.

Mongolia ranks 170th and New Caledonia ranks 173rd of 197 countries.

Across the 6 decades both report, Mongolia averaged higher in 3 and New Caledonia in 3.

Head to head by decade

Decade	Mongolia	New Caledonia	Difference	Ahead
1970s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	New Caledonia
1980s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	New Caledonia
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	New Caledonia
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Mongolia
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Mongolia
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Mongolia

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, Mongolia or New Caledonia?: Mongolia, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in New Caledonia as of 2023.
What is the difference in methane (ch4) emissions from building (energy) (mt co2e), per square between Mongolia and New Caledonia?: 0 Mt CO2e per square kilometre, with Mongolia ahead.
How many years of comparable data are there for Mongolia and New Caledonia?: 54 years are reported by both, from 1970 to 2023.
How do Mongolia and New Caledonia rank globally for methane (ch4) emissions from building (energy) (mt co2e), per square?: Mongolia ranks 170th and New Caledonia ranks 173rd 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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Mongolia vs New Caledonia: 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/mongolia/new-caledonia/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-building-energy-mt-co2e-per-square-kilometre/mongolia/new-caledonia/">Mongolia vs New Caledonia: 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.