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

Portugal: Poultry Birds: Manure left on pasture (N) … Manure square kilometre was 5.45 kg per square kilometre in 2020. ▲ Rising

Latest (2020)
5.45 kg per square kilometre
Change on year
up 29.8%
World rank
110th
of 168 countries
All-time high
5.45 kg per square kilometre
in 2020
All-time low
0.8598 kg per square kilometre
in 1961
Years of data
58
1961–2020

Poultry Birds — Manure left on pasture (N content), per square in Portugal, 1961–2020

12345196119902020

Source: Statizoid (derived). Measured in kg per square kilometre.

Analysis

The most recent figure for poultry birds — manure left on pasture (n content), per square in Portugal is 5.45 kg per square kilometre, measured in 2020. That is the highest value across all 58 years on record.

That represents a change of up 29.8% on the previous year and up 42.6% over ten years.

Over the whole period, poultry birds — manure left on pasture (n content), per square in Portugal peaked at 5.45 kg per square kilometre in 2020 and was at its lowest, 0.8598 kg per square kilometre, in 1961.

That places Portugal 110th out of 168 countries with data for 2020, putting it in the middle of the range.

The long-run direction has been consistently rising across the 58 years of available data.

Poultry Birds: Manure left on pasture (N) … Manure square kilometre in Portugal, year by year

Annual values for Poultry Birds — Manure left on pasture (N content), per square kilometre in Portugal, 1961 to 2020.
Year kg per square kilometre Change
1961 0.8598 kg per square kilometre —
1962 0.8914 kg per square kilometre +3.7%
1963 0.9288 kg per square kilometre +4.2%
1964 0.9683 kg per square kilometre +4.3%
1965 1.01 kg per square kilometre +3.9%
1966 1.13 kg per square kilometre +12.3%
1967 1.18 kg per square kilometre +4.2%
1968 1.2 kg per square kilometre +2.3%
1969 1.24 kg per square kilometre +2.8%
1970 1.28 kg per square kilometre +3.4%
1971 1.32 kg per square kilometre +3.4%
1972 1.37 kg per square kilometre +3.2%
1973 1.41 kg per square kilometre +2.9%
1974 1.6 kg per square kilometre +13.7%
1975 1.65 kg per square kilometre +2.9%
1976 1.74 kg per square kilometre +5.5%
1977 2.01 kg per square kilometre +15.7%
1978 2.01 kg per square kilometre +0.1%
1979 2.45 kg per square kilometre +21.9%
1980 2.73 kg per square kilometre +11.4%
1981 3.14 kg per square kilometre +15.0%
1982 2.95 kg per square kilometre -6.0%
1983 3.13 kg per square kilometre +6.2%
1984 2.83 kg per square kilometre -9.8%
1985 3.02 kg per square kilometre +7.0%
1986 3.38 kg per square kilometre +11.8%
1987 3.75 kg per square kilometre +10.9%
1988 3.83 kg per square kilometre +2.1%
1989 3.88 kg per square kilometre +1.4%
1990 4.04 kg per square kilometre +4.1%
1991 2.95 kg per square kilometre -26.9%
1992 3.31 kg per square kilometre +11.9%
1993 3.37 kg per square kilometre +1.8%
1994 3.4 kg per square kilometre +0.9%
1995 3.44 kg per square kilometre +1.4%
1996 3.53 kg per square kilometre +2.5%
1997 3.61 kg per square kilometre +2.3%
1998 3.7 kg per square kilometre +2.5%
1999 3.81 kg per square kilometre +2.8%
2000 3.88 kg per square kilometre +1.9%
2001 3.96 kg per square kilometre +2.1%
2002 4.05 kg per square kilometre +2.2%
2003 4.09 kg per square kilometre +1.1%
2004 4.12 kg per square kilometre +0.8%
2005 4.13 kg per square kilometre +0.3%
2006 4.13 kg per square kilometre -0.0%
2007 4.12 kg per square kilometre -0.3%
2008 4.06 kg per square kilometre -1.5%
2009 3.95 kg per square kilometre -2.6%
2010 3.82 kg per square kilometre -3.4%
2011 3.62 kg per square kilometre -5.2%
2012 3.47 kg per square kilometre -4.3%
2013 3.34 kg per square kilometre -3.7%
2014 3.46 kg per square kilometre +3.8%
2015 3.63 kg per square kilometre +4.8%
2016 3.8 kg per square kilometre +4.7%
2017 4.2 kg per square kilometre +10.4%
2020 5.45 kg per square kilometre +29.8%

Portugal compared with similar countries

  • Portugal's 5.45 kg per square kilometre is above the median for high income countries, which is 4.81 kg per square kilometre, 1.1× the median. (56 countries reporting)
  • Portugal's 5.45 kg per square kilometre is above the median for Europe & Central Asia, which is 2.23 kg per square kilometre, 2.4× the median. (43 countries reporting)

Biggest year-on-year movements

Years where Poultry Birds: Manure left on pasture (N) … Manure square kilometre in Portugal changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.

YearChange FromTo
1991 -26.9% 4.04 kg per square kilometre 2.95 kg per square kilometre
2020 +29.8% 4.2 kg per square kilometre 5.45 kg per square kilometre

Averages by decade

DecadeAverage LowestHighest Years
1960s 1.04 kg per square kilometre 0.8598 kg per square kilometre 1.24 kg per square kilometre 9
1970s 1.68 kg per square kilometre 1.28 kg per square kilometre 2.45 kg per square kilometre 10
1980s 3.27 kg per square kilometre 2.73 kg per square kilometre 3.88 kg per square kilometre 10
1990s 3.52 kg per square kilometre 2.95 kg per square kilometre 4.04 kg per square kilometre 10
2000s 4.05 kg per square kilometre 3.88 kg per square kilometre 4.13 kg per square kilometre 10
2010s 3.67 kg per square kilometre 3.34 kg per square kilometre 4.2 kg per square kilometre 8
2020s 5.45 kg per square kilometre 5.45 kg per square kilometre 5.45 kg per square kilometre 1

Countries ranked near Portugal

  1. 107 Lesotho 5.85 kg per square kilometre compare
  2. 108 Italy 5.78 kg per square kilometre compare
  3. 109 Tonga 5.7 kg per square kilometre compare
  4. 111 Niger 5.28 kg per square kilometre compare
  5. 112 Equatorial Guinea 5.15 kg per square kilometre compare
  6. 113 France 5.11 kg per square kilometre compare

See the full ranking of 170 places →

More environment data for Portugal

All data for Portugal →

Frequently asked questions

What is poultry birds — manure left on pasture (n content), per square in Portugal?
Poultry birds — manure left on pasture (n content), per square in Portugal was 5.45 kg per square kilometre in 2020, according to Statizoid (derived).
What is the highest poultry birds — manure left on pasture (n content), per square recorded in Portugal?
The highest recorded value was 5.45 kg per square kilometre in 2020.
What is the lowest poultry birds — manure left on pasture (n content), per square recorded in Portugal?
The lowest recorded value was 0.8598 kg per square kilometre in 1961.
How does Portugal rank for poultry birds — manure left on pasture (n content), per square?
Portugal ranks 110th out of 168 countries with data for 2020.
Is poultry birds — manure left on pasture (n content), per square rising or falling in Portugal?
Over the last ten years it is up 42.6%. The long-run trend across the full record is rising.
Where does this Portugal data come from?
The figures come from Statizoid (derived), published as part of Poultry Birds — Manure left on pasture (N content), per square kilometre. Statizoid updates them automatically from the source API.

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CSV · JSON — 58 observations, free to reuse under Derived by Statizoid from the sources named on the page.

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

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

How this figure is calculated

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.

Poultry Birds — Manure left on pasture (N content) ÷ Land area (sq. km)

Computed from

Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.

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.