How many years of comparable data are there for Namibia and Yemen?

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

Where does this data come from?

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

Namibia vs Yemen: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square

Namibia

0 Mt CO2e per square kilometre

in 2023

Yemen

0 Mt CO2e per square kilometre

in 2023

Namibia rank

183rd

Yemen rank

181st

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

Namibia
Yemen

How they compare

Yemen currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Namibia, a difference of 0 Mt CO2e per square kilometre.

That makes Yemen's figure about 1.3 times Namibia's.

Across all 54 years both countries report, Yemen has been ahead every year.

Namibia ranks 183rd and Yemen ranks 181st of 194 countries.

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

Head to head by decade

Decade	Namibia	Yemen	Difference	Ahead
1970s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Yemen
1980s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Yemen
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Yemen
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Yemen
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Yemen
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Yemen

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from transport (energy) (mt co2e), per square, Namibia or Yemen?: Yemen, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Namibia as of 2023.
What is the difference in methane (ch4) emissions from transport (energy) (mt co2e), per square between Namibia and Yemen?: 0 Mt CO2e per square kilometre, with Yemen ahead.
How many years of comparable data are there for Namibia and Yemen?: 54 years are reported by both, from 1970 to 2023.
How do Namibia and Yemen rank globally for methane (ch4) emissions from transport (energy) (mt co2e), per square?: Namibia ranks 183rd and Yemen ranks 181st of 194 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Transport (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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Namibia vs Yemen: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-square-kilometre/namibia/yemen-rep/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-square-kilometre/namibia/yemen-rep/">Namibia vs Yemen: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Transport (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: 241 places, 12,381 data points, 1970–2023
Last refreshed: 21 September 2026

Methane (CH4) emissions from Transport (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.