How many years of comparable data are there for Nigeria 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.

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

Nigeria

0.0416 units per square kilometre

in 2019

Portugal

0.0404 units per square kilometre

in 2019

Nigeria rank

49th

Portugal rank

52nd

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

Nigeria
Portugal

How they compare

Nigeria currently reports 0.0416 units per square kilometre against 0.0404 units per square kilometre in Portugal, a difference of 0.0012 units per square kilometre.

The two have swapped places 3 times across 59 shared years of data; in 1961 it was Portugal ahead.

Nigeria ranks 49th 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	Nigeria	Portugal	Difference	Ahead
1960s	0.0083 units per square kilometre	0.0401 units per square kilometre	0.0318 units per square kilometre	Portugal
1970s	0.0126 units per square kilometre	0.0397 units per square kilometre	0.0272 units per square kilometre	Portugal
1980s	0.0175 units per square kilometre	0.043 units per square kilometre	0.0255 units per square kilometre	Portugal
1990s	0.0225 units per square kilometre	0.0421 units per square kilometre	0.0197 units per square kilometre	Portugal
2000s	0.029 units per square kilometre	0.0392 units per square kilometre	0.0102 units per square kilometre	Portugal
2010s	0.0382 units per square kilometre	0.0387 units per square kilometre	0.0004 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, Nigeria or Portugal?: Nigeria, at 0.0416 units per square kilometre against 0.0404 units per square kilometre in Portugal as of 2019.
What is the difference in emission totals - emissions (co2eq) (ar5) - enteric fermentation, per between Nigeria and Portugal?: 0.0012 units per square kilometre, with Nigeria ahead.
How many years of comparable data are there for Nigeria and Portugal?: 59 years are reported by both, from 1961 to 2019.
How do Nigeria and Portugal rank globally for emission totals - emissions (co2eq) (ar5) - enteric fermentation, per?: Nigeria ranks 49th 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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Nigeria 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/nigeria/portugal/

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<a href="https://reference.statizoid.com/compare/emission-totals-emissions-co2eq-ar5-enteric-fermentation-per-square-kilometre/nigeria/portugal/">Nigeria 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.