How many years of comparable data are there for Ireland 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 (CH4) - Manure Management, per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Ireland vs Portugal: Emission Totals - Emissions (CH4) - Manure Management, per unit of GDP

Ireland

0 units per US$ of GDP

in 2019

Portugal

0 units per US$ of GDP

in 2019

Ireland rank

83rd

Portugal rank

81st

Emission Totals - Emissions (CH4) - Manure Management, per unit of GDP over time

Ireland
Portugal

How they compare

Portugal currently reports 0 units per US$ of GDP against 0 units per US$ of GDP in Ireland, a difference of 0 units per US$ of GDP.

The two have swapped places 1 time across 59 shared years of data; in 1961 it was Ireland ahead.

Ireland ranks 83rd and Portugal ranks 81st of 188 countries.

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

Head to head by decade

Decade	Ireland	Portugal	Difference	Ahead
1960s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Ireland
1970s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Ireland
1980s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Ireland
1990s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Ireland
2000s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Ireland
2010s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Ireland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher emission totals - emissions (ch4) - manure management, per unit of gdp, Ireland or Portugal?: Portugal, at 0 units per US$ of GDP against 0 units per US$ of GDP in Ireland as of 2019.
What is the difference in emission totals - emissions (ch4) - manure management, per unit of gdp between Ireland and Portugal?: 0 units per US$ of GDP, with Portugal ahead.
How many years of comparable data are there for Ireland and Portugal?: 59 years are reported by both, from 1961 to 2019.
How do Ireland and Portugal rank globally for emission totals - emissions (ch4) - manure management, per unit of gdp?: Ireland ranks 83rd and Portugal ranks 81st of 188 countries.
Where does this data come from?: Statizoid (derived), published as Emission Totals - Emissions (CH4) - Manure Management, per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Ireland vs Portugal: Emission Totals - Emissions (CH4) - Manure Management, per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://reference.statizoid.com/compare/emission-totals-emissions-ch4-manure-management-per-unit-of-gdp/ireland/portugal/

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<a href="https://reference.statizoid.com/compare/emission-totals-emissions-ch4-manure-management-per-unit-of-gdp/ireland/portugal/">Ireland vs Portugal: Emission Totals - Emissions (CH4) - Manure Management, per unit of GDP</a> — Statizoid

About this data

Indicator: Emission Totals - Emissions (CH4) - Manure Management, per unit of GDP
Unit: units per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 188 places, 9,346 data points, 1961–2019
Last refreshed: 28 August 2026

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