Horses: Manure left on pasture … left square kilometre volatilises in Tonga
Tonga: Horses: Manure left on pasture … left square kilometre volatilises was 86.08 kg per square kilometre in 2023. ▲ Rising
Horses — Manure left on pasture that volatilises (N content), per in Tonga, 1961–2023
Source: Statizoid (derived). Measured in kg per square kilometre.
Analysis
In 2023, horses — manure left on pasture that volatilises (n content), per in Tonga stood at 86.08 kg per square kilometre.
Compared with earlier readings it is up 0.3% on the previous year and up 8.1% over ten years.
Over the whole period, horses — manure left on pasture that volatilises (n content), per in Tonga peaked at 90.49 kg per square kilometre in 1981 and was at its lowest, 42.14 kg per square kilometre, in 1972.
Tonga ranks 2nd of 143 countries on this measure, in the top 10%.
The long-run direction has been consistently rising across the 63 years of available data.
Horses: Manure left on pasture … left square kilometre volatilises in Tonga, year by year
| Year | kg per square kilometre | Change |
|---|---|---|
| 1961 | 49.67 kg per square kilometre | — |
| 1962 | 53.13 kg per square kilometre | +7.0% |
| 1963 | 53.28 kg per square kilometre | +0.3% |
| 1964 | 50.89 kg per square kilometre | -4.5% |
| 1965 | 49.95 kg per square kilometre | -1.8% |
| 1966 | 53.99 kg per square kilometre | +8.1% |
| 1967 | 55.82 kg per square kilometre | +3.4% |
| 1968 | 58.17 kg per square kilometre | +4.2% |
| 1969 | 59.48 kg per square kilometre | +2.3% |
| 1970 | 53.01 kg per square kilometre | -10.9% |
| 1971 | 50.43 kg per square kilometre | -4.9% |
| 1972 | 42.14 kg per square kilometre | -16.4% |
| 1973 | 50.67 kg per square kilometre | +20.3% |
| 1974 | 51.38 kg per square kilometre | +1.4% |
| 1975 | 58.79 kg per square kilometre | +14.4% |
| 1976 | 62.47 kg per square kilometre | +6.3% |
| 1977 | 61.94 kg per square kilometre | -0.8% |
| 1978 | 74.88 kg per square kilometre | +20.9% |
| 1979 | 78.07 kg per square kilometre | +4.3% |
| 1980 | 79.63 kg per square kilometre | +2.0% |
| 1981 | 90.49 kg per square kilometre | +13.6% |
| 1982 | 83.11 kg per square kilometre | -8.2% |
| 1983 | 62.76 kg per square kilometre | -24.5% |
| 1984 | 62.98 kg per square kilometre | +0.3% |
| 1985 | 76.41 kg per square kilometre | +21.3% |
| 1986 | 79.63 kg per square kilometre | +4.2% |
| 1987 | 79.63 kg per square kilometre | +0.0% |
| 1988 | 79.63 kg per square kilometre | +0.0% |
| 1989 | 83.13 kg per square kilometre | +4.4% |
| 1990 | 43.44 kg per square kilometre | -47.8% |
| 1991 | 43.44 kg per square kilometre | +0.0% |
| 1992 | 83.97 kg per square kilometre | +93.3% |
| 1993 | 82.53 kg per square kilometre | -1.7% |
| 1994 | 82.53 kg per square kilometre | +0.0% |
| 1995 | 82.53 kg per square kilometre | +0.0% |
| 1996 | 82.53 kg per square kilometre | +0.0% |
| 1997 | 82.53 kg per square kilometre | +0.0% |
| 1998 | 82.53 kg per square kilometre | +0.0% |
| 1999 | 82.53 kg per square kilometre | +0.0% |
| 2000 | 82.53 kg per square kilometre | +0.0% |
| 2001 | 82.53 kg per square kilometre | +0.0% |
| 2002 | 82.53 kg per square kilometre | +0.0% |
| 2003 | 82.53 kg per square kilometre | +0.0% |
| 2004 | 82.53 kg per square kilometre | +0.0% |
| 2005 | 82.53 kg per square kilometre | +0.0% |
| 2006 | 82.53 kg per square kilometre | +0.0% |
| 2007 | 83.25 kg per square kilometre | +0.9% |
| 2008 | 83.25 kg per square kilometre | +0.0% |
| 2009 | 83.25 kg per square kilometre | +0.0% |
| 2010 | 83.25 kg per square kilometre | +0.0% |
| 2011 | 83.25 kg per square kilometre | +0.0% |
| 2012 | 83.25 kg per square kilometre | +0.0% |
| 2013 | 79.63 kg per square kilometre | -4.3% |
| 2014 | 79.63 kg per square kilometre | +0.0% |
| 2015 | 82 kg per square kilometre | +3.0% |
| 2016 | 83.97 kg per square kilometre | +2.4% |
| 2017 | 85.54 kg per square kilometre | +1.9% |
| 2018 | 85.7 kg per square kilometre | +0.2% |
| 2019 | 86.05 kg per square kilometre | +0.4% |
| 2020 | 86.31 kg per square kilometre | +0.3% |
| 2021 | 85.57 kg per square kilometre | -0.9% |
| 2022 | 85.83 kg per square kilometre | +0.3% |
| 2023 | 86.08 kg per square kilometre | +0.3% |
Tonga compared with similar countries
- Tonga's 86.08 kg per square kilometre is above the median for upper middle income countries, which is 2.93 kg per square kilometre, 29.4× the median. (45 countries reporting)
- Tonga's 86.08 kg per square kilometre is above the median for East Asia & Pacific, which is 1.36 kg per square kilometre, 63.4× the median. (19 countries reporting)
Biggest year-on-year movements
Years where Horses: Manure left on pasture … left square kilometre volatilises 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.
| Year | Change | From | To |
|---|---|---|---|
| 1992 | +93.3% | 43.44 kg per square kilometre | 83.97 kg per square kilometre |
| 1990 | -47.8% | 83.13 kg per square kilometre | 43.44 kg per square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 53.82 kg per square kilometre | 49.67 kg per square kilometre | 59.48 kg per square kilometre | 9 |
| 1970s | 58.38 kg per square kilometre | 42.14 kg per square kilometre | 78.07 kg per square kilometre | 10 |
| 1980s | 77.74 kg per square kilometre | 62.76 kg per square kilometre | 90.49 kg per square kilometre | 10 |
| 1990s | 74.85 kg per square kilometre | 43.44 kg per square kilometre | 83.97 kg per square kilometre | 10 |
| 2000s | 82.74 kg per square kilometre | 82.53 kg per square kilometre | 83.25 kg per square kilometre | 10 |
| 2010s | 83.23 kg per square kilometre | 79.63 kg per square kilometre | 86.05 kg per square kilometre | 10 |
| 2020s | 85.95 kg per square kilometre | 85.57 kg per square kilometre | 86.31 kg per square kilometre | 4 |
Countries ranked near Tonga
- 1 Haiti 143.77 kg per square kilometre compare
- 3 Cuba 68.93 kg per square kilometre compare
- 4 Dominican Republic 60.36 kg per square kilometre compare
- 5 Sierra Leone 48.74 kg per square kilometre compare
More environment data for Tonga
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.234 °C (2025)
- Temperature change 0.858 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 3.06 % 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 0.1689 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual 0 % change on previous year (2024)
Frequently asked questions
- What is horses — manure left on pasture that volatilises (n content), per in Tonga?
- Horses — manure left on pasture that volatilises (n content), per in Tonga was 86.08 kg per square kilometre in 2023, according to Statizoid (derived).
- What is the highest horses — manure left on pasture that volatilises (n content), per recorded in Tonga?
- The highest recorded value was 90.49 kg per square kilometre in 1981.
- What is the lowest horses — manure left on pasture that volatilises (n content), per recorded in Tonga?
- The lowest recorded value was 42.14 kg per square kilometre in 1972.
- How does Tonga rank for horses — manure left on pasture that volatilises (n content), per?
- Tonga ranks 2nd out of 143 countries with data for 2023.
- Is horses — manure left on pasture that volatilises (n content), per 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 that volatilises (N content), per square kilometre. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 63 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Horses — Manure left on pasture 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.
Horses — Manure left on pasture that volatilises (N content) ÷ Land area (sq. km)
Computed from
- Horses — Manure left on pasture that volatilises 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
Horses — Manure left on pasture 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.