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

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

Where does this data come from?

Statizoid (derived), published as Chickens — Manure left on pasture that leaches (N content), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Portugal vs Singapore: Chickens: Manure left on pasture that leaches (N) … unit GDP leaches

Portugal

0 kg per US$ of GDP

in 2020

Singapore

0 kg per US$ of GDP

in 2023

Portugal rank

131st

Singapore rank

134th

Chickens: Manure left on pasture that leaches (N) … unit GDP leaches over time

Portugal
Singapore

How they compare

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

That makes Portugal's figure about 1.3 times Singapore's.

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

Portugal ranks 131st and Singapore ranks 134th of 167 countries.

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

Head to head by decade

Decade	Portugal	Singapore	Difference	Ahead
1960s	0 kg per US$ of GDP	0.0002 kg per US$ of GDP	0.0002 kg per US$ of GDP	Singapore
1970s	0 kg per US$ of GDP	0.0001 kg per US$ of GDP	0.0001 kg per US$ of GDP	Singapore
1980s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	Singapore
1990s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	Singapore
2000s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	Singapore
2010s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	Singapore
2020s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	Singapore

Averages of every year both report within each decade.

Frequently asked questions

Which has higher chickens — manure left on pasture that leaches (n content), per unit, Portugal or Singapore?: Portugal, at 0 kg per US$ of GDP against 0 kg per US$ of GDP in Singapore as of 2020.
What is the difference in chickens — manure left on pasture that leaches (n content), per unit between Portugal and Singapore?: 0 kg per US$ of GDP, with Portugal ahead.
How many years of comparable data are there for Portugal and Singapore?: 58 years are reported by both, from 1961 to 2020.
How do Portugal and Singapore rank globally for chickens — manure left on pasture that leaches (n content), per unit?: Portugal ranks 131st and Singapore ranks 134th of 167 countries.
Where does this data come from?: Statizoid (derived), published as Chickens — Manure left on pasture that leaches (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 Singapore: Chickens — Manure left on pasture that leaches (N content), per unit. Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://environment.statizoid.com/compare/chickens-manure-left-on-pasture-that-leaches-n-content-per-unit-of-gdp/portugal/singapore/

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<a href="https://environment.statizoid.com/compare/chickens-manure-left-on-pasture-that-leaches-n-content-per-unit-of-gdp/portugal/singapore/">Portugal vs Singapore: Chickens — Manure left on pasture that leaches (N content), per unit</a> — Statizoid

About this data

Indicator: Chickens — Manure left on pasture that leaches (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: 03 October 2026

Chickens — Manure left on pasture that leaches (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.