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

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.

Ghana vs Portugal: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square

Ghana

0 Mt CO2e per square kilometre

in 2023

Portugal

0 Mt CO2e per square kilometre

in 2023

Ghana rank

83rd

Portugal rank

82nd

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

Ghana
Portugal

How they compare

Portugal currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Ghana, a difference of 0 Mt CO2e per square kilometre.

The two have swapped places 2 times across 54 shared years of data; in 1970 it was Portugal ahead.

Ghana ranks 83rd and Portugal ranks 82nd of 194 countries.

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

Head to head by decade

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

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, Ghana or Portugal?: Portugal, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Ghana as of 2023.
What is the difference in methane (ch4) emissions from transport (energy) (mt co2e), per square between Ghana and Portugal?: 0 Mt CO2e per square kilometre, with Portugal ahead.
How many years of comparable data are there for Ghana and Portugal?: 54 years are reported by both, from 1970 to 2023.
How do Ghana and Portugal rank globally for methane (ch4) emissions from transport (energy) (mt co2e), per square?: Ghana ranks 83rd and Portugal ranks 82nd 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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Ghana vs Portugal: 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/ghana/portugal/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-square-kilometre/ghana/portugal/">Ghana vs Portugal: 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.