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

63 years are reported by both, from 1961 to 2023.

Where does this data come from?

Statizoid (derived), published as Enteric Fermentation — Emissions (CH4), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Oman vs Portugal: Enteric Fermentation — Emissions (CH4), per unit of GDP

Oman

0 kt per US$ of GDP

in 2023

Portugal

0 kt per US$ of GDP

in 2023

Oman rank

117th

Portugal rank

119th

Enteric Fermentation — Emissions (CH4), per unit of GDP over time

Oman
Portugal

How they compare

Oman currently reports 0 kt per US$ of GDP against 0 kt per US$ of GDP in Portugal, a difference of 0 kt per US$ of GDP.

The two have swapped places 10 times across 63 shared years of data; in 1961 it was Oman ahead.

Oman ranks 117th and Portugal ranks 119th of 169 countries.

Across the 7 decades both report, Oman averaged higher in 2 and Portugal in 5.

Head to head by decade

Decade	Oman	Portugal	Difference	Ahead
1960s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Oman
1970s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Portugal
1980s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Portugal
1990s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Portugal
2000s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Oman
2010s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Portugal
2020s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher enteric fermentation — emissions (ch4), per unit of gdp, Oman or Portugal?: Oman, at 0 kt per US$ of GDP against 0 kt per US$ of GDP in Portugal as of 2023.
What is the difference in enteric fermentation — emissions (ch4), per unit of gdp between Oman and Portugal?: 0 kt per US$ of GDP, with Oman ahead.
How many years of comparable data are there for Oman and Portugal?: 63 years are reported by both, from 1961 to 2023.
How do Oman and Portugal rank globally for enteric fermentation — emissions (ch4), per unit of gdp?: Oman ranks 117th and Portugal ranks 119th of 169 countries.
Where does this data come from?: Statizoid (derived), published as Enteric Fermentation — Emissions (CH4), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Oman vs Portugal: Enteric Fermentation — Emissions (CH4), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 03 September 2026, from https://climate.statizoid.com/compare/enteric-fermentation-emissions-ch4-per-unit-of-gdp/oman/portugal/

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About this data

Indicator: Enteric Fermentation — Emissions (CH4), per unit of GDP
Unit: kt per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 170 places, 9,139 data points, 1961–2023
Last refreshed: 03 September 2026

Enteric Fermentation — Emissions (CH4) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.