Portugal vs Tonga: Poultry Birds: Manure left on pasture (N) … Manure square kilometre

Portugal
5.45 kg per square kilometre
in 2020
Tonga
5.7 kg per square kilometre
in 2023
Portugal rank
110th
Tonga rank
109th

Poultry Birds: Manure left on pasture (N) … Manure square kilometre over time

  • Portugal
  • Tonga
123456196119922023

How they compare

Tonga currently reports 5.7 kg per square kilometre against 5.45 kg per square kilometre in Portugal, a difference of 0.25 kg per square kilometre.

The two have swapped places 10 times across 58 shared years of data; in 1961 it was Tonga ahead.

Portugal ranks 110th and Tonga ranks 109th of 168 countries.

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

Head to head by decade

Decade Portugal Tonga Difference Ahead
1960s 1.04 kg per square kilometre 1.49 kg per square kilometre 0.4456 kg per square kilometre Tonga
1970s 1.68 kg per square kilometre 1.76 kg per square kilometre 0.0756 kg per square kilometre Tonga
1980s 3.27 kg per square kilometre 3.91 kg per square kilometre 0.6434 kg per square kilometre Tonga
1990s 3.52 kg per square kilometre 4.28 kg per square kilometre 0.7634 kg per square kilometre Tonga
2000s 4.05 kg per square kilometre 5.21 kg per square kilometre 1.16 kg per square kilometre Tonga
2010s 3.67 kg per square kilometre 5.52 kg per square kilometre 1.85 kg per square kilometre Tonga
2020s 5.45 kg per square kilometre 5.69 kg per square kilometre 0.238 kg per square kilometre Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher poultry birds — manure left on pasture (n content), per square, Portugal or Tonga?
Tonga, at 5.7 kg per square kilometre against 5.45 kg per square kilometre in Portugal as of 2023.
What is the difference in poultry birds — manure left on pasture (n content), per square between Portugal and Tonga?
0.25 kg per square kilometre, with Tonga ahead.
How many years of comparable data are there for Portugal and Tonga?
58 years are reported by both, from 1961 to 2020.
How do Portugal and Tonga rank globally for poultry birds — manure left on pasture (n content), per square?
Portugal ranks 110th and Tonga ranks 109th of 168 countries.
Where does this data come from?
Statizoid (derived), published as Poultry Birds — Manure left on pasture (N content), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Portugal vs Tonga: Poultry Birds — Manure left on pasture (N content), per square. Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://environment.statizoid.com/compare/poultry-birds-manure-left-on-pasture-n-content-per-square-kilometre/portugal/tonga/

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<a href="https://environment.statizoid.com/compare/poultry-birds-manure-left-on-pasture-n-content-per-square-kilometre/portugal/tonga/">Portugal vs Tonga: Poultry Birds — Manure left on pasture (N content), per square</a> — Statizoid

About this data

Indicator
Poultry Birds — Manure left on pasture (N content), per square kilometre
Unit
kg per square kilometre
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

Poultry Birds — Manure left on pasture (N content) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.