Chickens, layers: Amount excreted in manure (N content) … square in Portugal
Portugal: Chickens, layers: Amount excreted in manure (N content) … square was 50.61 kg per square kilometre in 2020. ▲ Rising
Chickens, layers — Amount excreted in manure (N content), per square in Portugal, 1961–2020
Source: Statizoid (derived). Measured in kg per square kilometre.
Analysis
In 2020, chickens, layers — amount excreted in manure (n content), per square in Portugal stood at 50.61 kg per square kilometre.
Compared with earlier readings it is down 5.8% on the previous year and up 13.1% over ten years.
Over the whole period, chickens, layers — amount excreted in manure (n content), per square in Portugal peaked at 53.7 kg per square kilometre in 2017 and was at its lowest, 22.06 kg per square kilometre, in 1961.
That places Portugal 60th 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.
Chickens, layers: Amount excreted in manure (N content) … square in Portugal, year by year
| Year | kg per square kilometre | Change |
|---|---|---|
| 1961 | 22.06 kg per square kilometre | — |
| 1962 | 22.06 kg per square kilometre | +0.0% |
| 1963 | 22.75 kg per square kilometre | +3.1% |
| 1964 | 22.75 kg per square kilometre | +0.0% |
| 1965 | 23.44 kg per square kilometre | +3.0% |
| 1966 | 23.44 kg per square kilometre | +0.0% |
| 1967 | 24.13 kg per square kilometre | +2.9% |
| 1968 | 24.13 kg per square kilometre | +0.0% |
| 1969 | 24.13 kg per square kilometre | +0.0% |
| 1970 | 24.13 kg per square kilometre | +0.0% |
| 1971 | 24.13 kg per square kilometre | +0.0% |
| 1972 | 24.13 kg per square kilometre | +0.0% |
| 1973 | 24.13 kg per square kilometre | +0.0% |
| 1974 | 26.19 kg per square kilometre | +8.6% |
| 1975 | 27.57 kg per square kilometre | +5.3% |
| 1976 | 27.57 kg per square kilometre | +0.0% |
| 1977 | 31.02 kg per square kilometre | +12.5% |
| 1978 | 33.09 kg per square kilometre | +6.7% |
| 1979 | 35.84 kg per square kilometre | +8.3% |
| 1980 | 35.84 kg per square kilometre | +0.0% |
| 1981 | 36.53 kg per square kilometre | +1.9% |
| 1982 | 37.91 kg per square kilometre | +3.8% |
| 1983 | 35.84 kg per square kilometre | -5.5% |
| 1984 | 32.4 kg per square kilometre | -9.6% |
| 1985 | 41.36 kg per square kilometre | +27.7% |
| 1986 | 41.36 kg per square kilometre | +0.0% |
| 1987 | 42.54 kg per square kilometre | +2.9% |
| 1988 | 42.32 kg per square kilometre | -0.5% |
| 1989 | 41.36 kg per square kilometre | -2.3% |
| 1990 | 41.36 kg per square kilometre | +0.0% |
| 1991 | 48.25 kg per square kilometre | +16.7% |
| 1992 | 48.25 kg per square kilometre | +0.0% |
| 1993 | 45.89 kg per square kilometre | -4.9% |
| 1994 | 39.42 kg per square kilometre | -14.1% |
| 1995 | 34.54 kg per square kilometre | -12.4% |
| 1996 | 33.83 kg per square kilometre | -2.1% |
| 1997 | 32.65 kg per square kilometre | -3.5% |
| 1998 | 32.5 kg per square kilometre | -0.5% |
| 1999 | 34.42 kg per square kilometre | +5.9% |
| 2000 | 33.53 kg per square kilometre | -2.6% |
| 2001 | 34.35 kg per square kilometre | +2.4% |
| 2002 | 32.42 kg per square kilometre | -5.6% |
| 2003 | 36.49 kg per square kilometre | +12.5% |
| 2004 | 36.53 kg per square kilometre | +0.1% |
| 2005 | 36.55 kg per square kilometre | +0.0% |
| 2006 | 37.92 kg per square kilometre | +3.8% |
| 2007 | 41.37 kg per square kilometre | +9.1% |
| 2008 | 42.41 kg per square kilometre | +2.5% |
| 2009 | 42.42 kg per square kilometre | +0.0% |
| 2010 | 44.76 kg per square kilometre | +5.5% |
| 2011 | 42.21 kg per square kilometre | -5.7% |
| 2012 | 42.7 kg per square kilometre | +1.1% |
| 2013 | 43.03 kg per square kilometre | +0.8% |
| 2014 | 44.75 kg per square kilometre | +4.0% |
| 2015 | 45.14 kg per square kilometre | +0.9% |
| 2016 | 40.74 kg per square kilometre | -9.7% |
| 2017 | 53.7 kg per square kilometre | +31.8% |
| 2020 | 50.61 kg per square kilometre | -5.8% |
Portugal compared with similar countries
- Portugal's 50.61 kg per square kilometre is above the median for high income countries, which is 41.47 kg per square kilometre, 1.2× the median. (56 countries reporting)
- Portugal's 50.61 kg per square kilometre is above the median for Europe & Central Asia, which is 40.73 kg per square kilometre, 1.2× the median. (43 countries reporting)
Biggest year-on-year movements
Years where Chickens, layers: Amount excreted in manure (N content) … square 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.
| Year | Change | From | To |
|---|---|---|---|
| 2017 | +31.8% | 40.74 kg per square kilometre | 53.7 kg per square kilometre |
| 1985 | +27.7% | 32.4 kg per square kilometre | 41.36 kg per square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 23.21 kg per square kilometre | 22.06 kg per square kilometre | 24.13 kg per square kilometre | 9 |
| 1970s | 27.78 kg per square kilometre | 24.13 kg per square kilometre | 35.84 kg per square kilometre | 10 |
| 1980s | 38.75 kg per square kilometre | 32.4 kg per square kilometre | 42.54 kg per square kilometre | 10 |
| 1990s | 39.11 kg per square kilometre | 32.5 kg per square kilometre | 48.25 kg per square kilometre | 10 |
| 2000s | 37.4 kg per square kilometre | 32.42 kg per square kilometre | 42.42 kg per square kilometre | 10 |
| 2010s | 44.63 kg per square kilometre | 40.74 kg per square kilometre | 53.7 kg per square kilometre | 8 |
| 2020s | 50.61 kg per square kilometre | 50.61 kg per square kilometre | 50.61 kg per square kilometre | 1 |
Countries ranked near Portugal
More environment data for Portugal
- Historical exposure to drought — Land soil moisture anomaly -0.6043 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -0.5127 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.44 °C (2025)
- Temperature change 2.15 °C (2025)
- Wood-based panels — Production, annual growth rate 3.41 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -3.29 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate 0.1607 % change on previous year (2024)
Frequently asked questions
- What is chickens, layers — amount excreted in manure (n content), per square in Portugal?
- Chickens, layers — amount excreted in manure (n content), per square in Portugal was 50.61 kg per square kilometre in 2020, according to Statizoid (derived).
- What is the highest chickens, layers — amount excreted in manure (n content), per square recorded in Portugal?
- The highest recorded value was 53.7 kg per square kilometre in 2017.
- What is the lowest chickens, layers — amount excreted in manure (n content), per square recorded in Portugal?
- The lowest recorded value was 22.06 kg per square kilometre in 1961.
- How does Portugal rank for chickens, layers — amount excreted in manure (n content), per square?
- Portugal ranks 60th out of 168 countries with data for 2020.
- Is chickens, layers — amount excreted in manure (n content), per square rising or falling in Portugal?
- Over the last ten years it is up 13.1%. 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 Chickens, layers — Amount excreted in manure (N content), per square kilometre. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 58 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Chickens, layers — Amount excreted in manure (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.
Chickens, layers — Amount excreted in manure (N content) ÷ Land area (sq. km)
Computed from
- Chickens, layers — Amount excreted in manure Food and Agriculture Organization of the United Nations
- Land area FAOSTAT, Food and Agriculture Organization of the United Nations (FAO)
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
Chickens, layers — Amount excreted in manure (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.