How many years of comparable data are there for Nigeria and Vietnam?

54 years are reported by both, from 1970 to 2023.

Where does this data come from?

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

Nigeria vs Vietnam: Methane (CH4) emissions from Fugitive Emissions (Energy) (Mt CO2e)

Nigeria

0.0001 Mt CO2e per square kilometre

in 2023

Vietnam

0.0001 Mt CO2e per square kilometre

in 2023

Nigeria rank

18th

Vietnam rank

17th

Methane (CH4) emissions from Fugitive Emissions (Energy) (Mt CO2e) over time

Nigeria
Vietnam

How they compare

Vietnam currently reports 0.0001 Mt CO2e per square kilometre against 0.0001 Mt CO2e per square kilometre in Nigeria, a difference of 0 Mt CO2e per square kilometre.

The two have swapped places 1 time across 54 shared years of data; in 1970 it was Nigeria ahead.

Nigeria ranks 18th and Vietnam ranks 17th of 192 countries.

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

Head to head by decade

Decade	Nigeria	Vietnam	Difference	Ahead
1970s	0.0002 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	Nigeria
1980s	0.0001 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	Nigeria
1990s	0.0002 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	Nigeria
2000s	0.0002 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	Nigeria
2010s	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	Nigeria
2020s	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from fugitive emissions (energy) (mt co2e), Nigeria or Vietnam?: Vietnam, at 0.0001 Mt CO2e per square kilometre against 0.0001 Mt CO2e per square kilometre in Nigeria as of 2023.
What is the difference in methane (ch4) emissions from fugitive emissions (energy) (mt co2e) between Nigeria and Vietnam?: 0 Mt CO2e per square kilometre, with Vietnam ahead.
How many years of comparable data are there for Nigeria and Vietnam?: 54 years are reported by both, from 1970 to 2023.
How do Nigeria and Vietnam rank globally for methane (ch4) emissions from fugitive emissions (energy) (mt co2e)?: Nigeria ranks 18th and Vietnam ranks 17th of 192 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Fugitive Emissions (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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Nigeria vs Vietnam: Methane (CH4) emissions from Fugitive Emissions (Energy) (Mt CO2e). Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-fugitive-emissions-energy-mt-co2e-per-square-kilometre/nigeria/viet-nam/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-fugitive-emissions-energy-mt-co2e-per-square-kilometre/nigeria/viet-nam/">Nigeria vs Vietnam: Methane (CH4) emissions from Fugitive Emissions (Energy) (Mt CO2e)</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Fugitive Emissions (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: 239 places, 12,273 data points, 1970–2023
Last refreshed: 22 September 2026

Methane (CH4) emissions from Fugitive Emissions (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.