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

58 years are reported by both, from 1961 to 2020.

Where does this data come from?

Statizoid (derived), published as Chickens, layers — Losses from manure treated (N content), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Portugal vs Spain: Chickens, layers: Losses from manure treated (N content) … unit

Portugal

0 kg per US$ of GDP

in 2020

Spain

0 kg per US$ of GDP

in 2020

Portugal rank

33rd

Spain rank

30th

Chickens, layers: Losses from manure treated (N content) … unit over time

Portugal
Spain

How they compare

Spain currently reports 0 kg per US$ of GDP against 0 kg per US$ of GDP in Portugal, a difference of 0 kg per US$ of GDP.

That makes Spain's figure about 1.4 times Portugal's.

Across all 58 years both countries report, Spain has been ahead every year.

Portugal ranks 33rd and Spain ranks 30th of 167 countries.

Spain has averaged higher in every one of the 7 decades both report.

Head to head by decade

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

Averages of every year both report within each decade.

Frequently asked questions

Which has higher chickens, layers — losses from manure treated (n content), per unit, Portugal or Spain?: Spain, at 0 kg per US$ of GDP against 0 kg per US$ of GDP in Portugal as of 2020.
What is the difference in chickens, layers — losses from manure treated (n content), per unit between Portugal and Spain?: 0 kg per US$ of GDP, with Spain ahead.
How many years of comparable data are there for Portugal and Spain?: 58 years are reported by both, from 1961 to 2020.
How do Portugal and Spain rank globally for chickens, layers — losses from manure treated (n content), per unit?: Portugal ranks 33rd and Spain ranks 30th of 167 countries.
Where does this data come from?: Statizoid (derived), published as Chickens, layers — Losses from manure treated (N content), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Portugal vs Spain: Chickens, layers — Losses from manure treated (N content), per unit. Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://environment.statizoid.com/compare/chickens-layers-losses-from-manure-treated-n-content-per-unit-of-gdp/portugal/spain/

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<a href="https://environment.statizoid.com/compare/chickens-layers-losses-from-manure-treated-n-content-per-unit-of-gdp/portugal/spain/">Portugal vs Spain: Chickens, layers — Losses from manure treated (N content), per unit</a> — Statizoid

About this data

Indicator: Chickens, layers — Losses from manure treated (N content), per unit of GDP
Unit: kg per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 169 places, 9,049 data points, 1961–2023
Last refreshed: 09 October 2026

Chickens, layers — Losses from manure treated (N content) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.