Horses — Manure left on pasture (N content), per square kilometre in Tonga

Tonga: Horses — Manure left on pasture (N content), per square kilometre was 430.4 kg per square kilometre in 2023. ▲ Rising

Latest (2023)
430.4 kg per square kilometre
Change on year
up 0.3%
World rank
2nd
of 143 countries
All-time high
452.45 kg per square kilometre
in 1981
All-time low
210.7 kg per square kilometre
in 1972
Years of data
63
1961–2023

Horses — Manure left on pasture (N content), per square kilometre in Tonga, 1961–2023

0100200300400500196119922023

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

Analysis

Tonga recorded 430.4 kg per square kilometre for horses — manure left on pasture (n content), per square kilometre in 2023.

That represents a change of up 0.3% on the previous year and up 8.1% over ten years.

Over the whole period, horses — manure left on pasture (n content), per square kilometre in Tonga peaked at 452.45 kg per square kilometre in 1981 and was at its lowest, 210.7 kg per square kilometre, in 1972.

That places Tonga 2nd out of 143 countries with data for 2023, putting it in the top 10%.

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

Horses — Manure left on pasture (N content), per square kilometre in Tonga, year by year

Annual values for Horses — Manure left on pasture (N content), per square kilometre in Tonga, 1961 to 2023.
Year kg per square kilometre Change
1961 248.34 kg per square kilometre —
1962 265.64 kg per square kilometre +7.0%
1963 266.4 kg per square kilometre +0.3%
1964 254.46 kg per square kilometre -4.5%
1965 249.75 kg per square kilometre -1.8%
1966 269.95 kg per square kilometre +8.1%
1967 279.11 kg per square kilometre +3.4%
1968 290.83 kg per square kilometre +4.2%
1969 297.38 kg per square kilometre +2.3%
1970 265.06 kg per square kilometre -10.9%
1971 252.14 kg per square kilometre -4.9%
1972 210.7 kg per square kilometre -16.4%
1973 253.37 kg per square kilometre +20.3%
1974 256.92 kg per square kilometre +1.4%
1975 293.95 kg per square kilometre +14.4%
1976 312.33 kg per square kilometre +6.3%
1977 309.69 kg per square kilometre -0.8%
1978 374.41 kg per square kilometre +20.9%
1979 390.37 kg per square kilometre +4.3%
1980 398.15 kg per square kilometre +2.0%
1981 452.45 kg per square kilometre +13.6%
1982 415.53 kg per square kilometre -8.2%
1983 313.82 kg per square kilometre -24.5%
1984 314.9 kg per square kilometre +0.3%
1985 382.05 kg per square kilometre +21.3%
1986 398.15 kg per square kilometre +4.2%
1987 398.15 kg per square kilometre +0.0%
1988 398.15 kg per square kilometre +0.0%
1989 415.67 kg per square kilometre +4.4%
1990 217.18 kg per square kilometre -47.8%
1991 217.18 kg per square kilometre +0.0%
1992 419.87 kg per square kilometre +93.3%
1993 412.63 kg per square kilometre -1.7%
1994 412.63 kg per square kilometre +0.0%
1995 412.63 kg per square kilometre +0.0%
1996 412.63 kg per square kilometre +0.0%
1997 412.63 kg per square kilometre +0.0%
1998 412.63 kg per square kilometre +0.0%
1999 412.63 kg per square kilometre +0.0%
2000 412.63 kg per square kilometre +0.0%
2001 412.63 kg per square kilometre +0.0%
2002 412.63 kg per square kilometre +0.0%
2003 412.63 kg per square kilometre +0.0%
2004 412.63 kg per square kilometre +0.0%
2005 412.63 kg per square kilometre +0.0%
2006 412.63 kg per square kilometre +0.0%
2007 416.25 kg per square kilometre +0.9%
2008 416.25 kg per square kilometre +0.0%
2009 416.25 kg per square kilometre +0.0%
2010 416.25 kg per square kilometre +0.0%
2011 416.25 kg per square kilometre +0.0%
2012 416.25 kg per square kilometre +0.0%
2013 398.15 kg per square kilometre -4.3%
2014 398.15 kg per square kilometre +0.0%
2015 409.99 kg per square kilometre +3.0%
2016 419.87 kg per square kilometre +2.4%
2017 427.69 kg per square kilometre +1.9%
2018 428.52 kg per square kilometre +0.2%
2019 430.26 kg per square kilometre +0.4%
2020 431.56 kg per square kilometre +0.3%
2021 427.87 kg per square kilometre -0.9%
2022 429.14 kg per square kilometre +0.3%
2023 430.4 kg per square kilometre +0.3%

Tonga compared with similar countries

  • Tonga's 430.4 kg per square kilometre is above the median for upper middle income countries, which is 14.64 kg per square kilometre, 29.4× the median. (45 countries reporting)
  • Tonga's 430.4 kg per square kilometre is above the median for East Asia & Pacific, which is 6.79 kg per square kilometre, 63.4× the median. (19 countries reporting)

Biggest year-on-year movements

Years where Horses — Manure left on pasture (N content), per square kilometre 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
1992 +93.3% 217.18 kg per square kilometre 419.87 kg per square kilometre
1990 -47.8% 415.67 kg per square kilometre 217.18 kg per square kilometre

Averages by decade

DecadeAverage LowestHighest Years
1960s 269.1 kg per square kilometre 248.34 kg per square kilometre 297.38 kg per square kilometre 9
1970s 291.89 kg per square kilometre 210.7 kg per square kilometre 390.37 kg per square kilometre 10
1980s 388.7 kg per square kilometre 313.82 kg per square kilometre 452.45 kg per square kilometre 10
1990s 374.26 kg per square kilometre 217.18 kg per square kilometre 419.87 kg per square kilometre 10
2000s 413.72 kg per square kilometre 412.63 kg per square kilometre 416.25 kg per square kilometre 10
2010s 416.14 kg per square kilometre 398.15 kg per square kilometre 430.26 kg per square kilometre 10
2020s 429.74 kg per square kilometre 427.87 kg per square kilometre 431.56 kg per square kilometre 4

Countries ranked near Tonga

  1. 1 Haiti 718.84 kg per square kilometre compare
  2. 3 Cuba 344.67 kg per square kilometre compare
  3. 4 Dominican Republic 301.82 kg per square kilometre compare
  4. 5 Sierra Leone 243.7 kg per square kilometre compare

See the full ranking of 145 places →

More environment data for Tonga

All data for Tonga →

Frequently asked questions

What is horses — manure left on pasture (n content), per square kilometre in Tonga?
Horses — manure left on pasture (n content), per square kilometre in Tonga was 430.4 kg per square kilometre in 2023, according to Statizoid (derived).
What is the highest horses — manure left on pasture (n content), per square kilometre recorded in Tonga?
The highest recorded value was 452.45 kg per square kilometre in 1981.
What is the lowest horses — manure left on pasture (n content), per square kilometre recorded in Tonga?
The lowest recorded value was 210.7 kg per square kilometre in 1972.
How does Tonga rank for horses — manure left on pasture (n content), per square kilometre?
Tonga ranks 2nd out of 143 countries with data for 2023.
Is horses — manure left on pasture (n content), per square kilometre rising or falling in Tonga?
Over the last ten years it is up 8.1%. 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 Horses — Manure left on pasture (N content), per square kilometre. Statizoid updates them automatically from the source API.

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Horses — Manure left on pasture (N content), per square kilometre in Tonga. Statizoid, drawing on Statizoid (derived). Retrieved 10 October 2026, from https://environment.statizoid.com/stat/horses-manure-left-on-pasture-n-content-per-square-kilometre/tonga/

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<a href="https://environment.statizoid.com/stat/horses-manure-left-on-pasture-n-content-per-square-kilometre/tonga/">Horses — Manure left on pasture (N content), per square kilometre in Tonga</a> — Statizoid

How this figure is calculated

Horses — 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.

Horses — 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
Horses — 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
145 places, 8,113 data points, 1961–2023
Last refreshed

Horses — 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.