How many years of comparable data are there for Gabon and Portugal?

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

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.

Gabon vs Portugal: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit

Gabon

0 Mt CO2e per US$ of GDP

in 2024

Portugal

0 Mt CO2e per US$ of GDP

in 2024

Gabon rank

164th

Portugal rank

165th

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

Gabon
Portugal

How they compare

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

The two have swapped places 3 times across 55 shared years of data; in 1970 it was Portugal ahead.

Gabon ranks 164th and Portugal ranks 165th of 191 countries.

Across the 6 decades both report, Gabon averaged higher in 1 and Portugal in 5.

Head to head by decade

Decade	Gabon	Portugal	Difference	Ahead
1970s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Portugal
1980s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Portugal
1990s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Portugal
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Portugal
2010s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Gabon
2020s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Portugal

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, Gabon or Portugal?: Gabon, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Portugal as of 2024.
What is the difference in methane (ch4) emissions from transport (energy) (mt co2e), per unit between Gabon and Portugal?: 0 Mt CO2e per US$ of GDP, with Gabon ahead.
How many years of comparable data are there for Gabon and Portugal?: 55 years are reported by both, from 1970 to 2024.
How do Gabon and Portugal rank globally for methane (ch4) emissions from transport (energy) (mt co2e), per unit?: Gabon ranks 164th and Portugal ranks 165th 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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Gabon vs Portugal: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit. Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-unit-of-gdp/gabon/portugal/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-unit-of-gdp/gabon/portugal/">Gabon vs Portugal: 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.