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

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 capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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

Portugal

0.4739 kg per person

in 2020

Tuvalu

0.4528 kg per person

in 2023

Portugal rank

10th

Tuvalu rank

11th

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

Portugal
Tuvalu

How they compare

Portugal currently reports 0.4739 kg per person against 0.4528 kg per person in Tuvalu, a difference of 0.0211 kg per person.

The two have swapped places 7 times across 58 shared years of data; in 1961 it was Tuvalu ahead.

Portugal ranks 10th and Tuvalu ranks 11th of 168 countries.

Across the 7 decades both report, Portugal averaged higher in 4 and Tuvalu in 3.

Head to head by decade

Decade	Portugal	Tuvalu	Difference	Ahead
1960s	0.1047 kg per person	0.1415 kg per person	0.0368 kg per person	Tuvalu
1970s	0.1652 kg per person	0.1364 kg per person	0.0288 kg per person	Portugal
1980s	0.2931 kg per person	0.1943 kg per person	0.0988 kg per person	Portugal
1990s	0.313 kg per person	0.274 kg per person	0.039 kg per person	Portugal
2000s	0.346 kg per person	0.3548 kg per person	0.0088 kg per person	Tuvalu
2010s	0.3148 kg per person	0.3664 kg per person	0.0516 kg per person	Tuvalu
2020s	0.4739 kg per person	0.4072 kg per person	0.0668 kg per person	Portugal

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), Portugal or Tuvalu?: Portugal, at 0.4739 kg per person against 0.4528 kg per person in Tuvalu as of 2020.
What is the difference in poultry birds — manure applied to soils that volatilises (n content) between Portugal and Tuvalu?: 0.0211 kg per person, with Portugal ahead.
How many years of comparable data are there for Portugal and Tuvalu?: 58 years are reported by both, from 1961 to 2020.
How do Portugal and Tuvalu rank globally for poultry birds — manure applied to soils that volatilises (n content)?: Portugal ranks 10th and Tuvalu ranks 11th of 168 countries.
Where does this data come from?: Statizoid (derived), published as Poultry Birds — Manure applied to soils that volatilises (N content), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Portugal vs Tuvalu: 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-capita/portugal/tuvalu/

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<a href="https://environment.statizoid.com/compare/poultry-birds-manure-applied-to-soils-that-volatilises-n-content-per-capita/portugal/tuvalu/">Portugal vs Tuvalu: 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 capita
Unit: kg per person
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 170 places, 9,701 data points, 1961–2023
Last refreshed: 01 October 2026

Poultry Birds — Manure applied to soils that volatilises (N content) divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.