Chickens, layers: Manure left … left pasture square kilometre in Sao Tome and Principe

Sao Tome and Principe: Chickens, layers: Manure left … left pasture square kilometre was 27.27 kg per square kilometre in 2023. ◆ Volatile

Latest (2023)
27.27 kg per square kilometre
Change on year
up 1.7%
World rank
40th
of 168 countries
All-time high
56.82 kg per square kilometre
in 2013
All-time low
8.18 kg per square kilometre
in 1961
Years of data
63
1961–2023

Chickens, layers — Manure left on pasture (N content), per square in Sao Tome and Principe, 1961–2023

102030405060196119922023

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

Analysis

In 2023, chickens, layers — manure left on pasture (n content), per square in Sao Tome and Principe stood at 27.27 kg per square kilometre.

The figure is up 1.7% on the previous year and down 52.0% over ten years.

Over the whole period, chickens, layers — manure left on pasture (n content), per square in Sao Tome and Principe peaked at 56.82 kg per square kilometre in 2013 and was at its lowest, 8.18 kg per square kilometre, in 1961.

That places Sao Tome and Principe 40th out of 168 countries with data for 2023, putting it in the top quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Chickens, layers: Manure left … left pasture square kilometre in Sao Tome and Principe, year by year

Annual values for Chickens, layers — Manure left on pasture (N content), per square kilometre in Sao Tome and Principe, 1961 to 2023.
Year kg per square kilometre Change
1961 8.18 kg per square kilometre —
1962 8.64 kg per square kilometre +5.6%
1963 9.09 kg per square kilometre +5.3%
1964 9.55 kg per square kilometre +5.0%
1965 10 kg per square kilometre +4.8%
1966 10.45 kg per square kilometre +4.5%
1967 10.91 kg per square kilometre +4.3%
1968 11.36 kg per square kilometre +4.2%
1969 11.82 kg per square kilometre +4.0%
1970 12.27 kg per square kilometre +3.8%
1971 12.73 kg per square kilometre +3.7%
1972 13.18 kg per square kilometre +3.6%
1973 13.64 kg per square kilometre +3.4%
1974 14.09 kg per square kilometre +3.3%
1975 14.55 kg per square kilometre +3.2%
1976 15 kg per square kilometre +3.1%
1977 15.46 kg per square kilometre +3.0%
1978 15.91 kg per square kilometre +2.9%
1979 16.36 kg per square kilometre +2.9%
1980 16.82 kg per square kilometre +2.8%
1981 17.27 kg per square kilometre +2.7%
1982 17.73 kg per square kilometre +2.6%
1983 18.18 kg per square kilometre +2.6%
1984 18.64 kg per square kilometre +2.5%
1985 19.09 kg per square kilometre +2.4%
1986 19.55 kg per square kilometre +2.4%
1987 19.55 kg per square kilometre +0.0%
1988 19.55 kg per square kilometre +0.0%
1989 20.46 kg per square kilometre +4.7%
1990 22.73 kg per square kilometre +11.1%
1991 25 kg per square kilometre +10.0%
1992 29.55 kg per square kilometre +18.2%
1993 31.82 kg per square kilometre +7.7%
1994 31.82 kg per square kilometre +0.0%
1995 25 kg per square kilometre -21.4%
1996 26.82 kg per square kilometre +7.3%
1997 28.64 kg per square kilometre +6.8%
1998 30 kg per square kilometre +4.8%
1999 35.46 kg per square kilometre +18.2%
2000 36.82 kg per square kilometre +3.8%
2001 38.18 kg per square kilometre +3.7%
2002 40 kg per square kilometre +4.8%
2003 41.82 kg per square kilometre +4.5%
2004 43.64 kg per square kilometre +4.3%
2005 45 kg per square kilometre +3.1%
2006 46.82 kg per square kilometre +4.0%
2007 46.82 kg per square kilometre +0.0%
2008 50 kg per square kilometre +6.8%
2009 55 kg per square kilometre +10.0%
2010 55.46 kg per square kilometre +0.8%
2011 55.91 kg per square kilometre +0.8%
2012 56.37 kg per square kilometre +0.8%
2013 56.82 kg per square kilometre +0.8%
2014 38.18 kg per square kilometre -32.8%
2015 38.64 kg per square kilometre +1.2%
2016 11.82 kg per square kilometre -69.4%
2017 18.18 kg per square kilometre +53.8%
2018 24.09 kg per square kilometre +32.5%
2019 25 kg per square kilometre +3.8%
2020 29.09 kg per square kilometre +16.4%
2021 25.91 kg per square kilometre -10.9%
2022 26.82 kg per square kilometre +3.5%
2023 27.27 kg per square kilometre +1.7%

Sao Tome and Principe compared with similar countries

  • Sao Tome and Principe's 27.27 kg per square kilometre is above the median for lower middle income countries, which is 12.75 kg per square kilometre, 2.1× the median. (40 countries reporting)
  • Sao Tome and Principe's 27.27 kg per square kilometre is above the median for Sub-Saharan Africa, which is 7.49 kg per square kilometre, 3.6× the median. (44 countries reporting)

Biggest year-on-year movements

Years where Chickens, layers: Manure left … left pasture square kilometre in Sao Tome and Principe 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
2016 -69.4% 38.64 kg per square kilometre 11.82 kg per square kilometre
2017 +53.8% 11.82 kg per square kilometre 18.18 kg per square kilometre
2014 -32.8% 56.82 kg per square kilometre 38.18 kg per square kilometre
2018 +32.5% 18.18 kg per square kilometre 24.09 kg per square kilometre

Averages by decade

DecadeAverage LowestHighest Years
1960s 10 kg per square kilometre 8.18 kg per square kilometre 11.82 kg per square kilometre 9
1970s 14.32 kg per square kilometre 12.27 kg per square kilometre 16.36 kg per square kilometre 10
1980s 18.68 kg per square kilometre 16.82 kg per square kilometre 20.46 kg per square kilometre 10
1990s 28.68 kg per square kilometre 22.73 kg per square kilometre 35.46 kg per square kilometre 10
2000s 44.41 kg per square kilometre 36.82 kg per square kilometre 55 kg per square kilometre 10
2010s 38.05 kg per square kilometre 11.82 kg per square kilometre 56.82 kg per square kilometre 10
2020s 27.27 kg per square kilometre 25.91 kg per square kilometre 29.09 kg per square kilometre 4

Countries ranked near Sao Tome and Principe

  1. 37 Qatar 31.29 kg per square kilometre compare
  2. 38 Sierra Leone 30.44 kg per square kilometre compare
  3. 39 Saint Vincent and the Grenadines 27.85 kg per square kilometre compare
  4. 41 United Arab Emirates 25.42 kg per square kilometre compare
  5. 42 Mexico 25.23 kg per square kilometre compare
  6. 43 Malawi 25.07 kg per square kilometre compare

See the full ranking of 170 places →

More environment data for Sao Tome and Principe

All data for Sao Tome and Principe →

Frequently asked questions

What is chickens, layers — manure left on pasture (n content), per square in Sao Tome and Principe?
Chickens, layers — manure left on pasture (n content), per square in Sao Tome and Principe was 27.27 kg per square kilometre in 2023, according to Statizoid (derived).
What is the highest chickens, layers — manure left on pasture (n content), per square recorded in Sao Tome and Principe?
The highest recorded value was 56.82 kg per square kilometre in 2013.
What is the lowest chickens, layers — manure left on pasture (n content), per square recorded in Sao Tome and Principe?
The lowest recorded value was 8.18 kg per square kilometre in 1961.
How does Sao Tome and Principe rank for chickens, layers — manure left on pasture (n content), per square?
Sao Tome and Principe ranks 40th out of 168 countries with data for 2023.
Is chickens, layers — manure left on pasture (n content), per square rising or falling in Sao Tome and Principe?
Over the last ten years it is down 52.0%. The long-run trend across the full record is volatile.
Where does this Sao Tome and Principe data come from?
The figures come from Statizoid (derived), published as part of Chickens, layers — Manure left on pasture (N content), per square kilometre. Statizoid updates them automatically from the source API.

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Chickens, layers — Manure left on pasture (N content), per square in Sao Tome and Principe. Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://environment.statizoid.com/stat/chickens-layers-manure-left-on-pasture-n-content-per-square-kilometre/sao-tome-and-principe/

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<a href="https://environment.statizoid.com/stat/chickens-layers-manure-left-on-pasture-n-content-per-square-kilometre/sao-tome-and-principe/">Chickens, layers — Manure left on pasture (N content), per square in Sao Tome and Principe</a> — Statizoid

How this figure is calculated

Chickens, layers — 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.

Chickens, layers — 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
Chickens, layers — 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, 9,696 data points, 1961–2023
Last refreshed

Chickens, layers — 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.