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

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

Where does this data come from?

Statizoid (derived), published as Poultry Birds — Manure applied to soils that volatilises (N content), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

China vs Portugal: Poultry Birds — Manure applied to soils that volatilises (N content)

China

0 kg per US$ of GDP

in 2023

Portugal

0 kg per US$ of GDP

in 2020

China rank

62nd

Portugal rank

60th

Poultry Birds — Manure applied to soils that volatilises (N content) over time

China
Portugal

How they compare

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

That makes Portugal's figure about 1.1 times China's.

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

China ranks 62nd and Portugal ranks 60th of 167 countries.

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

Head to head by decade

Decade	China	Portugal	Difference	Ahead
1960s	0.0007 kg per US$ of GDP	0.0002 kg per US$ of GDP	0.0005 kg per US$ of GDP	China
1970s	0.0004 kg per US$ of GDP	0.0001 kg per US$ of GDP	0.0003 kg per US$ of GDP	China
1980s	0.0003 kg per US$ of GDP	0.0001 kg per US$ of GDP	0.0002 kg per US$ of GDP	China
1990s	0.0003 kg per US$ of GDP	0 kg per US$ of GDP	0.0003 kg per US$ of GDP	China
2000s	0.0001 kg per US$ of GDP	0 kg per US$ of GDP	0.0001 kg per US$ of GDP	China
2010s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	China
2020s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	China

Averages of every year both report within each decade.

Frequently asked questions

Which has higher poultry birds — manure applied to soils that volatilises (n content), China or Portugal?: Portugal, at 0 kg per US$ of GDP against 0 kg per US$ of GDP in China as of 2020.
What is the difference in poultry birds — manure applied to soils that volatilises (n content) between China and Portugal?: 0 kg per US$ of GDP, with Portugal ahead.
How many years of comparable data are there for China and Portugal?: 58 years are reported by both, from 1961 to 2020.
How do China and Portugal rank globally for poultry birds — manure applied to soils that volatilises (n content)?: China ranks 62nd and Portugal ranks 60th of 167 countries.
Where does this data come from?: Statizoid (derived), published as Poultry Birds — Manure applied to soils that volatilises (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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China vs Portugal: Poultry Birds — Manure applied to soils that volatilises (N content). Statizoid, drawing on Statizoid (derived). Retrieved 02 October 2026, from https://environment.statizoid.com/compare/poultry-birds-manure-applied-to-soils-that-volatilises-n-content-per-unit-of-gdp/china/portugal/

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<a href="https://environment.statizoid.com/compare/poultry-birds-manure-applied-to-soils-that-volatilises-n-content-per-unit-of-gdp/china/portugal/">China vs Portugal: Poultry Birds — Manure applied to soils that volatilises (N content)</a> — Statizoid

About this data

Indicator: Poultry Birds — Manure applied to soils that volatilises (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, 9,054 data points, 1961–2023
Last refreshed: 01 October 2026

Poultry Birds — Manure applied to soils that volatilises (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.