Poultry Birds: Manure left … left square kilometre leaches in Tonga
Tonga: Poultry Birds: Manure left … left square kilometre leaches was 1.71 kg per square kilometre in 2023. ▲ Rising
Poultry Birds — Manure left on pasture that leaches (N content), per in Tonga, 1961–2023
Source: Statizoid (derived). Measured in kg per square kilometre.
Analysis
In 2023, poultry birds — manure left on pasture that leaches (n content), per in Tonga stood at 1.71 kg per square kilometre. That is the highest value across all 63 years on record.
Compared with earlier readings it is up 0.3% on the previous year and up 2.8% over ten years.
Over the whole period, poultry birds — manure left on pasture that leaches (n content), per in Tonga peaked at 1.71 kg per square kilometre in 2023 and was at its lowest, 0.2607 kg per square kilometre, in 1973.
Tonga ranks 109th of 168 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 63 years of available data.
Poultry Birds: Manure left … left square kilometre leaches in Tonga, year by year
| Year | kg per square kilometre | Change |
|---|---|---|
| 1961 | 0.2768 kg per square kilometre | — |
| 1962 | 0.3105 kg per square kilometre | +12.2% |
| 1963 | 0.3375 kg per square kilometre | +8.7% |
| 1964 | 0.3713 kg per square kilometre | +10.0% |
| 1965 | 0.3983 kg per square kilometre | +7.3% |
| 1966 | 0.4592 kg per square kilometre | +15.3% |
| 1967 | 0.6105 kg per square kilometre | +32.9% |
| 1968 | 0.6805 kg per square kilometre | +11.5% |
| 1969 | 0.5788 kg per square kilometre | -14.9% |
| 1970 | 0.45 kg per square kilometre | -22.2% |
| 1971 | 0.3802 kg per square kilometre | -15.5% |
| 1972 | 0.2653 kg per square kilometre | -30.2% |
| 1973 | 0.2607 kg per square kilometre | -1.7% |
| 1974 | 0.3306 kg per square kilometre | +26.8% |
| 1975 | 0.6036 kg per square kilometre | +82.6% |
| 1976 | 0.7548 kg per square kilometre | +25.0% |
| 1977 | 0.5763 kg per square kilometre | -23.7% |
| 1978 | 0.8426 kg per square kilometre | +46.2% |
| 1979 | 0.8108 kg per square kilometre | -3.8% |
| 1980 | 0.7836 kg per square kilometre | -3.4% |
| 1981 | 1.04 kg per square kilometre | +32.8% |
| 1982 | 1.09 kg per square kilometre | +5.2% |
| 1983 | 0.7063 kg per square kilometre | -35.5% |
| 1984 | 0.6791 kg per square kilometre | -3.8% |
| 1985 | 1.37 kg per square kilometre | +102.4% |
| 1986 | 1.44 kg per square kilometre | +4.9% |
| 1987 | 1.54 kg per square kilometre | +6.7% |
| 1988 | 1.71 kg per square kilometre | +11.1% |
| 1989 | 1.35 kg per square kilometre | -20.8% |
| 1990 | 1.06 kg per square kilometre | -21.8% |
| 1991 | 1.04 kg per square kilometre | -1.5% |
| 1992 | 1.09 kg per square kilometre | +4.5% |
| 1993 | 1.12 kg per square kilometre | +2.3% |
| 1994 | 1.12 kg per square kilometre | +0.0% |
| 1995 | 1.36 kg per square kilometre | +21.6% |
| 1996 | 1.52 kg per square kilometre | +12.0% |
| 1997 | 1.51 kg per square kilometre | -0.6% |
| 1998 | 1.51 kg per square kilometre | +0.0% |
| 1999 | 1.52 kg per square kilometre | +0.6% |
| 2000 | 1.52 kg per square kilometre | +0.0% |
| 2001 | 1.52 kg per square kilometre | +0.0% |
| 2002 | 1.52 kg per square kilometre | +0.0% |
| 2003 | 1.52 kg per square kilometre | +0.0% |
| 2004 | 1.52 kg per square kilometre | +0.0% |
| 2005 | 1.52 kg per square kilometre | +0.1% |
| 2006 | 1.52 kg per square kilometre | +0.0% |
| 2007 | 1.68 kg per square kilometre | +10.7% |
| 2008 | 1.66 kg per square kilometre | -1.3% |
| 2009 | 1.66 kg per square kilometre | -0.3% |
| 2010 | 1.66 kg per square kilometre | +0.4% |
| 2011 | 1.64 kg per square kilometre | -1.5% |
| 2012 | 1.65 kg per square kilometre | +1.0% |
| 2013 | 1.66 kg per square kilometre | +0.5% |
| 2014 | 1.64 kg per square kilometre | -1.3% |
| 2015 | 1.65 kg per square kilometre | +0.3% |
| 2016 | 1.67 kg per square kilometre | +1.4% |
| 2017 | 1.68 kg per square kilometre | +0.5% |
| 2018 | 1.69 kg per square kilometre | +0.5% |
| 2019 | 1.7 kg per square kilometre | +0.7% |
| 2020 | 1.71 kg per square kilometre | +0.5% |
| 2021 | 1.71 kg per square kilometre | +0.0% |
| 2022 | 1.71 kg per square kilometre | +0.0% |
| 2023 | 1.71 kg per square kilometre | +0.3% |
Tonga compared with similar countries
- Tonga's 1.71 kg per square kilometre is below the median for upper middle income countries, which is 9.65 kg per square kilometre, 18% of the median. (50 countries reporting)
- Tonga's 1.71 kg per square kilometre is above the median for East Asia & Pacific, which is 1.71 kg per square kilometre, 1.0× the median. (23 countries reporting)
Biggest year-on-year movements
Years where Poultry Birds: Manure left … left square kilometre leaches 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 |
|---|---|---|---|
| 1985 | +102.4% | 0.6791 kg per square kilometre | 1.37 kg per square kilometre |
| 1975 | +82.6% | 0.3306 kg per square kilometre | 0.6036 kg per square kilometre |
| 1978 | +46.2% | 0.5763 kg per square kilometre | 0.8426 kg per square kilometre |
| 1983 | -35.5% | 1.09 kg per square kilometre | 0.7063 kg per square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.4471 kg per square kilometre | 0.2768 kg per square kilometre | 0.6805 kg per square kilometre | 9 |
| 1970s | 0.5275 kg per square kilometre | 0.2607 kg per square kilometre | 0.8426 kg per square kilometre | 10 |
| 1980s | 1.17 kg per square kilometre | 0.6791 kg per square kilometre | 1.71 kg per square kilometre | 10 |
| 1990s | 1.28 kg per square kilometre | 1.04 kg per square kilometre | 1.52 kg per square kilometre | 10 |
| 2000s | 1.56 kg per square kilometre | 1.52 kg per square kilometre | 1.68 kg per square kilometre | 10 |
| 2010s | 1.66 kg per square kilometre | 1.64 kg per square kilometre | 1.7 kg per square kilometre | 10 |
| 2020s | 1.71 kg per square kilometre | 1.71 kg per square kilometre | 1.71 kg per square kilometre | 4 |
Countries ranked near Tonga
- 106 Suriname 1.92 kg per square kilometre compare
- 107 Lesotho 1.75 kg per square kilometre compare
- 108 Italy 1.73 kg per square kilometre compare
- 110 Portugal 1.64 kg per square kilometre compare
- 111 Niger 1.58 kg per square kilometre compare
- 112 Equatorial Guinea 1.54 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 poultry birds — manure left on pasture that leaches (n content), per in Tonga?
- Poultry birds — manure left on pasture that leaches (n content), per in Tonga was 1.71 kg per square kilometre in 2023, according to Statizoid (derived).
- What is the highest poultry birds — manure left on pasture that leaches (n content), per recorded in Tonga?
- The highest recorded value was 1.71 kg per square kilometre in 2023.
- What is the lowest poultry birds — manure left on pasture that leaches (n content), per recorded in Tonga?
- The lowest recorded value was 0.2607 kg per square kilometre in 1973.
- How does Tonga rank for poultry birds — manure left on pasture that leaches (n content), per?
- Tonga ranks 109th out of 168 countries with data for 2023.
- Is poultry birds — manure left on pasture that leaches (n content), per 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 left on pasture that leaches (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
Poultry Birds — Manure left on pasture that leaches (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 left on pasture that leaches (N content) ÷ Land area (sq. km)
Computed from
- Poultry Birds — Manure left on pasture that leaches 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
Poultry Birds — Manure left on pasture that leaches (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.