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

29 years are reported by both, from 1990 to 2018.

Where does this data come from?

Statizoid (derived), published as Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Namibia vs Yemen: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per unit

Namibia

0 Mt CO2e per US$ of GDP

in 2024

Yemen

0 Mt CO2e per US$ of GDP

in 2018

Namibia rank

36th

Yemen rank

37th

Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per unit over time

Namibia
Yemen

How they compare

Namibia currently reports 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Yemen, a difference of 0 Mt CO2e per US$ of GDP.

The two have swapped places 5 times across 29 shared years of data; in 1990 it was Namibia ahead.

Namibia ranks 36th and Yemen ranks 37th of 200 countries.

Across the 3 decades both report, Namibia averaged higher in 1 and Yemen in 2.

Head to head by decade

Decade	Namibia	Yemen	Difference	Ahead
1990s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Namibia
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Yemen
2010s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Yemen

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions (total) excluding lulucf (mt co2e), per unit, Namibia or Yemen?: Namibia, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Yemen as of 2024.
What is the difference in methane (ch4) emissions (total) excluding lulucf (mt co2e), per unit between Namibia and Yemen?: 0 Mt CO2e per US$ of GDP, with Namibia ahead.
How many years of comparable data are there for Namibia and Yemen?: 29 years are reported by both, from 1990 to 2018.
How do Namibia and Yemen rank globally for methane (ch4) emissions (total) excluding lulucf (mt co2e), per unit?: Namibia ranks 36th and Yemen ranks 37th of 200 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per unit of GDP. 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 (total) excluding LULUCF (Mt CO2e), per unit. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-total-excluding-lulucf-mt-co2e-per-unit-of-gdp/namibia/yemen-rep/

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About this data

Indicator: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per unit of GDP
Unit: Mt CO2e per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 247 places, 12,498 data points, 1970–2024
Last refreshed: 21 September 2026

Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.