How many years of comparable data are there for Laos 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 from Transport (Energy) (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Laos vs Yemen: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit

Laos

0 Mt CO2e per US$ of GDP

in 2024

Yemen

0 Mt CO2e per US$ of GDP

in 2018

Laos rank

75th

Yemen rank

74th

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

Laos
Yemen

How they compare

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

The two have swapped places 6 times across 29 shared years of data; in 1990 it was Yemen ahead.

Laos ranks 75th and Yemen ranks 74th of 191 countries.

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

Head to head by decade

Decade	Laos	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	Yemen
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Laos
2010s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Laos

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from transport (energy) (mt co2e), per unit, Laos or Yemen?: Yemen, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Laos as of 2018.
What is the difference in methane (ch4) emissions from transport (energy) (mt co2e), per unit between Laos and Yemen?: 0 Mt CO2e per US$ of GDP, with Yemen ahead.
How many years of comparable data are there for Laos and Yemen?: 29 years are reported by both, from 1990 to 2018.
How do Laos and Yemen rank globally for methane (ch4) emissions from transport (energy) (mt co2e), per unit?: Laos ranks 75th and Yemen ranks 74th of 191 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Transport (Energy) (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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Laos vs Yemen: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-unit-of-gdp/lao-pdr/yemen-rep/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-unit-of-gdp/lao-pdr/yemen-rep/">Laos vs Yemen: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Transport (Energy) (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: 238 places, 12,139 data points, 1970–2024
Last refreshed: 21 September 2026

Methane (CH4) emissions from Transport (Energy) (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.