Poultry Birds — Manure applied to soils that volatilises (N content) in Tonga

Tonga: Poultry Birds — Manure applied to soils that volatilises (N content) was 36.88 kg per square kilometre in 2023. ▲ Rising

Latest (2023)
36.88 kg per square kilometre
Change on year
up 0.3%
World rank
34th
of 168 countries
All-time high
36.88 kg per square kilometre
in 2023
All-time low
5.62 kg per square kilometre
in 1973
Years of data
63
1961–2023

Poultry Birds — Manure applied to soils that volatilises (N content) in Tonga, 1961–2023

10203040196119922023

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

Analysis

In 2023, poultry birds — manure applied to soils that volatilises (n content) in Tonga stood at 36.88 kg per square kilometre. That is the highest value across all 63 years on record.

That represents a change of up 0.3% on the previous year and up 2.8% over ten years.

Over the whole period, poultry birds — manure applied to soils that volatilises (n content) in Tonga peaked at 36.88 kg per square kilometre in 2023 and was at its lowest, 5.62 kg per square kilometre, in 1973.

Tonga ranks 34th of 168 countries on this measure, in the top quarter.

The long-run direction has been consistently rising across the 63 years of available data.

Poultry Birds — Manure applied to soils that volatilises (N content) in Tonga, year by year

Annual values for Poultry Birds — Manure applied to soils that volatilises (N content), per square kilometre in Tonga, 1961 to 2023.
Year kg per square kilometre Change
1961 5.97 kg per square kilometre —
1962 6.69 kg per square kilometre +12.2%
1963 7.28 kg per square kilometre +8.7%
1964 8 kg per square kilometre +10.0%
1965 8.59 kg per square kilometre +7.3%
1966 9.9 kg per square kilometre +15.3%
1967 13.16 kg per square kilometre +32.9%
1968 14.67 kg per square kilometre +11.5%
1969 12.48 kg per square kilometre -14.9%
1970 9.7 kg per square kilometre -22.2%
1971 8.2 kg per square kilometre -15.5%
1972 5.72 kg per square kilometre -30.2%
1973 5.62 kg per square kilometre -1.7%
1974 7.13 kg per square kilometre +26.8%
1975 13.01 kg per square kilometre +82.6%
1976 16.27 kg per square kilometre +25.0%
1977 12.42 kg per square kilometre -23.7%
1978 18.16 kg per square kilometre +46.2%
1979 17.48 kg per square kilometre -3.8%
1980 16.89 kg per square kilometre -3.4%
1981 22.44 kg per square kilometre +32.8%
1982 23.6 kg per square kilometre +5.2%
1983 15.22 kg per square kilometre -35.5%
1984 14.64 kg per square kilometre -3.8%
1985 29.63 kg per square kilometre +102.4%
1986 31.09 kg per square kilometre +4.9%
1987 33.18 kg per square kilometre +6.7%
1988 36.87 kg per square kilometre +11.1%
1989 29.19 kg per square kilometre -20.8%
1990 22.82 kg per square kilometre -21.8%
1991 22.48 kg per square kilometre -1.5%
1992 23.51 kg per square kilometre +4.5%
1993 24.04 kg per square kilometre +2.3%
1994 24.04 kg per square kilometre +0.0%
1995 29.24 kg per square kilometre +21.6%
1996 32.75 kg per square kilometre +12.0%
1997 32.55 kg per square kilometre -0.6%
1998 32.55 kg per square kilometre +0.0%
1999 32.75 kg per square kilometre +0.6%
2000 32.75 kg per square kilometre +0.0%
2001 32.75 kg per square kilometre +0.0%
2002 32.75 kg per square kilometre +0.0%
2003 32.75 kg per square kilometre +0.0%
2004 32.75 kg per square kilometre +0.0%
2005 32.79 kg per square kilometre +0.1%
2006 32.79 kg per square kilometre +0.0%
2007 36.29 kg per square kilometre +10.7%
2008 35.81 kg per square kilometre -1.3%
2009 35.71 kg per square kilometre -0.3%
2010 35.86 kg per square kilometre +0.4%
2011 35.32 kg per square kilometre -1.5%
2012 35.66 kg per square kilometre +1.0%
2013 35.86 kg per square kilometre +0.5%
2014 35.38 kg per square kilometre -1.3%
2015 35.48 kg per square kilometre +0.3%
2016 35.96 kg per square kilometre +1.4%
2017 36.15 kg per square kilometre +0.5%
2018 36.34 kg per square kilometre +0.5%
2019 36.59 kg per square kilometre +0.7%
2020 36.78 kg per square kilometre +0.5%
2021 36.78 kg per square kilometre +0.0%
2022 36.78 kg per square kilometre +0.0%
2023 36.88 kg per square kilometre +0.3%

Biggest year-on-year movements

Years where Poultry Birds — Manure applied to soils that volatilises (N content) in Tonga 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
1985 +102.4% 14.64 kg per square kilometre 29.63 kg per square kilometre
1975 +82.6% 7.13 kg per square kilometre 13.01 kg per square kilometre
1978 +46.2% 12.42 kg per square kilometre 18.16 kg per square kilometre
1983 -35.5% 23.6 kg per square kilometre 15.22 kg per square kilometre

Averages by decade

DecadeAverage LowestHighest Years
1960s 9.64 kg per square kilometre 5.97 kg per square kilometre 14.67 kg per square kilometre 9
1970s 11.37 kg per square kilometre 5.62 kg per square kilometre 18.16 kg per square kilometre 10
1980s 25.27 kg per square kilometre 14.64 kg per square kilometre 36.87 kg per square kilometre 10
1990s 27.67 kg per square kilometre 22.48 kg per square kilometre 32.75 kg per square kilometre 10
2000s 33.71 kg per square kilometre 32.75 kg per square kilometre 36.29 kg per square kilometre 10
2010s 35.86 kg per square kilometre 35.32 kg per square kilometre 36.59 kg per square kilometre 10
2020s 36.81 kg per square kilometre 36.78 kg per square kilometre 36.88 kg per square kilometre 4

Countries ranked near Tonga

  1. 31 Spain 40.07 kg per square kilometre compare
  2. 32 Philippines 38.13 kg per square kilometre compare
  3. 33 China 36.95 kg per square kilometre compare
  4. 35 Saint Lucia 36.12 kg per square kilometre compare
  5. 36 Ecuador 31.16 kg per square kilometre compare
  6. 37 Romania 30.06 kg per square kilometre compare

See the full ranking of 170 places →

More environment data for Tonga

All data for Tonga →

Frequently asked questions

What is poultry birds — manure applied to soils that volatilises (n content) in Tonga?
Poultry birds — manure applied to soils that volatilises (n content) in Tonga was 36.88 kg per square kilometre in 2023, according to Statizoid (derived).
What is the highest poultry birds — manure applied to soils that volatilises (n content) recorded in Tonga?
The highest recorded value was 36.88 kg per square kilometre in 2023.
What is the lowest poultry birds — manure applied to soils that volatilises (n content) recorded in Tonga?
The lowest recorded value was 5.62 kg per square kilometre in 1973.
How does Tonga rank for poultry birds — manure applied to soils that volatilises (n content)?
Tonga ranks 34th out of 168 countries with data for 2023.
Is poultry birds — manure applied to soils that volatilises (n content) rising or falling in Tonga?
Over the last ten years it is up 2.8%. The long-run trend across the full record is rising.
Where does this Tonga data come from?
The figures come from Statizoid (derived), published as part of Poultry Birds — Manure applied to soils that volatilises (N content), per square kilometre. Statizoid updates them automatically from the source API.

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Poultry Birds — Manure applied to soils that volatilises (N content) in Tonga. Statizoid, drawing on Statizoid (derived). Retrieved 01 October 2026, from https://environment.statizoid.com/stat/poultry-birds-manure-applied-to-soils-that-volatilises-n-content-per-square-kilometre/tonga/

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<a href="https://environment.statizoid.com/stat/poultry-birds-manure-applied-to-soils-that-volatilises-n-content-per-square-kilometre/tonga/">Poultry Birds — Manure applied to soils that volatilises (N content) in Tonga</a> — Statizoid

How this figure is calculated

Poultry Birds — 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.

Poultry Birds — Manure applied to soils that volatilises (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 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, 9,701 data points, 1961–2023
Last refreshed

Poultry Birds — 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.