Poland vs Portugal: Chickens, layers: Manure left … left square kilometre leaches

Poland
0.2587 kg per square kilometre
in 2023
Portugal
0.3037 kg per square kilometre
in 2020
Poland rank
130th
Portugal rank
128th

Chickens, layers: Manure left … left square kilometre leaches over time

  • Poland
  • Portugal
0.10.20.30.4196119922023

How they compare

Portugal currently reports 0.3037 kg per square kilometre against 0.2587 kg per square kilometre in Poland, a difference of 0.045 kg per square kilometre.

That makes Portugal's figure about 1.2 times Poland's.

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

Poland ranks 130th and Portugal ranks 128th of 168 countries.

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

Head to head by decade

Decade Poland Portugal Difference Ahead
1960s 0.3425 kg per square kilometre 0.1392 kg per square kilometre 0.2032 kg per square kilometre Poland
1970s 0.3886 kg per square kilometre 0.1667 kg per square kilometre 0.2219 kg per square kilometre Poland
1980s 0.3066 kg per square kilometre 0.2325 kg per square kilometre 0.0741 kg per square kilometre Poland
1990s 0.2165 kg per square kilometre 0.2347 kg per square kilometre 0.0181 kg per square kilometre Portugal
2000s 0.2537 kg per square kilometre 0.2244 kg per square kilometre 0.0293 kg per square kilometre Poland
2010s 0.2549 kg per square kilometre 0.2678 kg per square kilometre 0.0128 kg per square kilometre Portugal
2020s 0.2915 kg per square kilometre 0.3037 kg per square kilometre 0.0122 kg per square kilometre Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher chickens, layers — manure left on pasture that leaches (n content), Poland or Portugal?
Portugal, at 0.3037 kg per square kilometre against 0.2587 kg per square kilometre in Poland as of 2020.
What is the difference in chickens, layers — manure left on pasture that leaches (n content) between Poland and Portugal?
0.045 kg per square kilometre, with Portugal ahead.
How many years of comparable data are there for Poland and Portugal?
58 years are reported by both, from 1961 to 2020.
How do Poland and Portugal rank globally for chickens, layers — manure left on pasture that leaches (n content)?
Poland ranks 130th and Portugal ranks 128th of 168 countries.
Where does this data come from?
Statizoid (derived), published as Chickens, layers — Manure left on pasture that leaches (N content), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Poland vs Portugal: Chickens, layers — Manure left on pasture that leaches (N content). Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://environment.statizoid.com/compare/chickens-layers-manure-left-on-pasture-that-leaches-n-content-per-square-kilometre/poland/portugal/

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<a href="https://environment.statizoid.com/compare/chickens-layers-manure-left-on-pasture-that-leaches-n-content-per-square-kilometre/poland/portugal/">Poland vs Portugal: Chickens, layers — Manure left on pasture that leaches (N content)</a> — Statizoid

About this data

Indicator
Chickens, layers — Manure left on pasture that leaches (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, layers — Manure left on pasture that leaches (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.