Portugal vs Tonga: Chickens: Manure applied … applied square kilometre volatilises

Portugal
42.25 kg per square kilometre
in 2020
Tonga
36.88 kg per square kilometre
in 2023
Portugal rank
26th
Tonga rank
29th

Chickens: Manure applied … applied square kilometre volatilises over time

  • Portugal
  • Tonga
10203040196119922023

How they compare

Portugal currently reports 42.25 kg per square kilometre against 36.88 kg per square kilometre in Tonga, a difference of 5.37 kg per square kilometre.

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

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

Portugal ranks 26th and Tonga ranks 29th of 168 countries.

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

Head to head by decade

Decade Portugal Tonga Difference Ahead
1960s 10.21 kg per square kilometre 9.64 kg per square kilometre 0.5744 kg per square kilometre Portugal
1970s 14.55 kg per square kilometre 11.37 kg per square kilometre 3.18 kg per square kilometre Portugal
1980s 16.63 kg per square kilometre 25.27 kg per square kilometre 8.64 kg per square kilometre Tonga
1990s 22.87 kg per square kilometre 27.67 kg per square kilometre 4.8 kg per square kilometre Tonga
2000s 30.1 kg per square kilometre 33.71 kg per square kilometre 3.61 kg per square kilometre Tonga
2010s 27.56 kg per square kilometre 35.71 kg per square kilometre 8.14 kg per square kilometre Tonga
2020s 42.25 kg per square kilometre 36.78 kg per square kilometre 5.47 kg per square kilometre Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher chickens — manure applied to soils that volatilises (n content), per, Portugal or Tonga?
Portugal, at 42.25 kg per square kilometre against 36.88 kg per square kilometre in Tonga as of 2020.
What is the difference in chickens — manure applied to soils that volatilises (n content), per between Portugal and Tonga?
5.37 kg per square kilometre, with Portugal 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 chickens — manure applied to soils that volatilises (n content), per?
Portugal ranks 26th and Tonga ranks 29th of 168 countries.
Where does this data come from?
Statizoid (derived), published as Chickens — Manure applied to soils that volatilises (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: Chickens — Manure applied to soils that volatilises (N content), per. Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://environment.statizoid.com/compare/chickens-manure-applied-to-soils-that-volatilises-n-content-per-square-kilometre/portugal/tonga/

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About this data

Indicator
Chickens — Manure applied to soils that volatilises (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, 9,696 data points, 1961–2023
Last refreshed

Chickens — Manure applied to soils that volatilises (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.