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

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

Where does this data come from?

Statizoid (derived), published as Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Chad vs Portugal: Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per

Chad

0 Mt CO2e per US$ of GDP

in 2024

Portugal

0 Mt CO2e per US$ of GDP

in 2024

Chad rank

143rd

Portugal rank

145th

Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per over time

Chad
Portugal

How they compare

Chad 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 1 time across 55 shared years of data; in 1970 it was Portugal ahead.

Chad ranks 143rd and Portugal ranks 145th of 191 countries.

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

Head to head by decade

Decade	Chad	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	Portugal
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 carbon dioxide (co2) emissions from building (energy) (mt co2e), per, Chad or Portugal?: Chad, 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 carbon dioxide (co2) emissions from building (energy) (mt co2e), per between Chad and Portugal?: 0 Mt CO2e per US$ of GDP, with Chad ahead.
How many years of comparable data are there for Chad and Portugal?: 55 years are reported by both, from 1970 to 2024.
How do Chad and Portugal rank globally for carbon dioxide (co2) emissions from building (energy) (mt co2e), per?: Chad ranks 143rd and Portugal ranks 145th of 191 countries.
Where does this data come from?: Statizoid (derived), published as Carbon dioxide (CO2) emissions from Building (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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Chad vs Portugal: Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-from-building-energy-mt-co2e-per-unit-of-gdp/chad/portugal/

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<a href="https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-from-building-energy-mt-co2e-per-unit-of-gdp/chad/portugal/">Chad vs Portugal: Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per</a> — Statizoid

About this data

Indicator: Carbon dioxide (CO2) emissions from Building (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

Carbon dioxide (CO2) emissions from Building (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.