How many years of comparable data are there for Mongolia and Sierra Leone?

55 years are reported by both, from 1970 to 2024.

Where does this data come from?

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

Mongolia vs Sierra Leone: Methane (CH4) emissions from Building (Energy) (Mt CO2e), per capita

Mongolia

0 Mt CO2e per person

in 2024

Sierra Leone

0 Mt CO2e per person

in 2024

Mongolia rank

26th

Sierra Leone rank

23rd

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

Mongolia
Sierra Leone

How they compare

Sierra Leone currently reports 0 Mt CO2e per person against 0 Mt CO2e per person in Mongolia, a difference of 0 Mt CO2e per person.

The two have swapped places 2 times across 55 shared years of data; in 1970 it was Sierra Leone ahead.

Mongolia ranks 26th and Sierra Leone ranks 23rd of 197 countries.

Sierra Leone has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Mongolia	Sierra Leone	Difference	Ahead
1970s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Sierra Leone
1980s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Sierra Leone
1990s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Sierra Leone
2000s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Sierra Leone
2010s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Sierra Leone
2020s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from building (energy) (mt co2e), per capita, Mongolia or Sierra Leone?: Sierra Leone, at 0 Mt CO2e per person against 0 Mt CO2e per person in Mongolia as of 2024.
What is the difference in methane (ch4) emissions from building (energy) (mt co2e), per capita between Mongolia and Sierra Leone?: 0 Mt CO2e per person, with Sierra Leone ahead.
How many years of comparable data are there for Mongolia and Sierra Leone?: 55 years are reported by both, from 1970 to 2024.
How do Mongolia and Sierra Leone rank globally for methane (ch4) emissions from building (energy) (mt co2e), per capita?: Mongolia ranks 26th and Sierra Leone ranks 23rd of 197 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Building (Energy) (Mt CO2e), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Mongolia vs Sierra Leone: Methane (CH4) emissions from Building (Energy) (Mt CO2e), per capita. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-building-energy-mt-co2e-per-capita/mongolia/sierra-leone/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under Derived by Statizoid from the sources named on the page; please keep the attribution.

<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-building-energy-mt-co2e-per-capita/mongolia/sierra-leone/">Mongolia vs Sierra Leone: Methane (CH4) emissions from Building (Energy) (Mt CO2e), per capita</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Building (Energy) (Mt CO2e), per capita
Unit: Mt CO2e per person
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 244 places, 13,420 data points, 1970–2024
Last refreshed: 22 September 2026

Methane (CH4) emissions from Building (Energy) (Mt CO2e) divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.