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

59 years are reported by both, from 1961 to 2019.

Where does this data come from?

Statizoid (derived), published as Emission Totals - Emissions (CO2eq) (AR5) - Enteric Fermentation, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Chad vs Portugal: Emission Totals - Emissions (CO2eq) (AR5) - Enteric Fermentation, per

Chad

0.0396 units per square kilometre

in 2019

Portugal

0.0404 units per square kilometre

in 2019

Chad rank

53rd

Portugal rank

52nd

Emission Totals - Emissions (CO2eq) (AR5) - Enteric Fermentation, per over time

Chad
Portugal

How they compare

Portugal currently reports 0.0404 units per square kilometre against 0.0396 units per square kilometre in Chad, a difference of 0.0008 units per square kilometre.

Across all 59 years both countries report, Portugal has been ahead every year.

Chad ranks 53rd and Portugal ranks 52nd of 189 countries.

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

Head to head by decade

Decade	Chad	Portugal	Difference	Ahead
1960s	0.0041 units per square kilometre	0.0401 units per square kilometre	0.036 units per square kilometre	Portugal
1970s	0.004 units per square kilometre	0.0397 units per square kilometre	0.0357 units per square kilometre	Portugal
1980s	0.0042 units per square kilometre	0.043 units per square kilometre	0.0389 units per square kilometre	Portugal
1990s	0.0094 units per square kilometre	0.0421 units per square kilometre	0.0327 units per square kilometre	Portugal
2000s	0.0171 units per square kilometre	0.0392 units per square kilometre	0.0221 units per square kilometre	Portugal
2010s	0.0306 units per square kilometre	0.0387 units per square kilometre	0.008 units per square kilometre	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher emission totals - emissions (co2eq) (ar5) - enteric fermentation, per, Chad or Portugal?: Portugal, at 0.0404 units per square kilometre against 0.0396 units per square kilometre in Chad as of 2019.
What is the difference in emission totals - emissions (co2eq) (ar5) - enteric fermentation, per between Chad and Portugal?: 0.0008 units per square kilometre, with Portugal ahead.
How many years of comparable data are there for Chad and Portugal?: 59 years are reported by both, from 1961 to 2019.
How do Chad and Portugal rank globally for emission totals - emissions (co2eq) (ar5) - enteric fermentation, per?: Chad ranks 53rd and Portugal ranks 52nd of 189 countries.
Where does this data come from?: Statizoid (derived), published as Emission Totals - Emissions (CO2eq) (AR5) - Enteric Fermentation, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Chad vs Portugal: Emission Totals - Emissions (CO2eq) (AR5) - Enteric Fermentation, per. Statizoid, drawing on Statizoid (derived). Retrieved 02 September 2026, from https://reference.statizoid.com/compare/emission-totals-emissions-co2eq-ar5-enteric-fermentation-per-square-kilometre/chad/portugal/

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<a href="https://reference.statizoid.com/compare/emission-totals-emissions-co2eq-ar5-enteric-fermentation-per-square-kilometre/chad/portugal/">Chad vs Portugal: Emission Totals - Emissions (CO2eq) (AR5) - Enteric Fermentation, per</a> — Statizoid

About this data

Indicator: Emission Totals - Emissions (CO2eq) (AR5) - Enteric Fermentation, per square kilometre
Unit: units per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 189 places, 10,097 data points, 1961–2019
Last refreshed: 02 September 2026

Emission Totals - Emissions (CO2eq) (AR5) - Enteric Fermentation 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.