Poultry Birds: Manure left … left square kilometre volatilises in Tonga
Tonga: Poultry Birds: Manure left … left square kilometre volatilises was 1.14 kg per square kilometre in 2023. ▲ Rising
Poultry Birds — Manure left on pasture that volatilises (N content) in Tonga, 1961–2023
Source: Statizoid (derived). Measured in kg per square kilometre.
Analysis
Tonga recorded 1.14 kg per square kilometre for poultry birds — manure left on pasture that volatilises (n content) in 2023. 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 left on pasture that volatilises (n content) in Tonga peaked at 1.14 kg per square kilometre in 2023 and was at its lowest, 0.1738 kg per square kilometre, in 1973.
That places Tonga 109th out of 168 countries with data for 2023, putting it 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 volatilises in Tonga, year by year
| Year | kg per square kilometre | Change |
|---|---|---|
| 1961 | 0.1845 kg per square kilometre | — |
| 1962 | 0.207 kg per square kilometre | +12.2% |
| 1963 | 0.225 kg per square kilometre | +8.7% |
| 1964 | 0.2475 kg per square kilometre | +10.0% |
| 1965 | 0.2655 kg per square kilometre | +7.3% |
| 1966 | 0.3062 kg per square kilometre | +15.3% |
| 1967 | 0.407 kg per square kilometre | +32.9% |
| 1968 | 0.4537 kg per square kilometre | +11.5% |
| 1969 | 0.3859 kg per square kilometre | -14.9% |
| 1970 | 0.3 kg per square kilometre | -22.2% |
| 1971 | 0.2535 kg per square kilometre | -15.5% |
| 1972 | 0.1768 kg per square kilometre | -30.2% |
| 1973 | 0.1738 kg per square kilometre | -1.7% |
| 1974 | 0.2204 kg per square kilometre | +26.8% |
| 1975 | 0.4024 kg per square kilometre | +82.6% |
| 1976 | 0.5032 kg per square kilometre | +25.0% |
| 1977 | 0.3842 kg per square kilometre | -23.7% |
| 1978 | 0.5617 kg per square kilometre | +46.2% |
| 1979 | 0.5405 kg per square kilometre | -3.8% |
| 1980 | 0.5224 kg per square kilometre | -3.4% |
| 1981 | 0.6939 kg per square kilometre | +32.8% |
| 1982 | 0.7299 kg per square kilometre | +5.2% |
| 1983 | 0.4708 kg per square kilometre | -35.5% |
| 1984 | 0.4527 kg per square kilometre | -3.8% |
| 1985 | 0.9163 kg per square kilometre | +102.4% |
| 1986 | 0.9614 kg per square kilometre | +4.9% |
| 1987 | 1.03 kg per square kilometre | +6.7% |
| 1988 | 1.14 kg per square kilometre | +11.1% |
| 1989 | 0.9028 kg per square kilometre | -20.8% |
| 1990 | 0.7057 kg per square kilometre | -21.8% |
| 1991 | 0.6954 kg per square kilometre | -1.5% |
| 1992 | 0.727 kg per square kilometre | +4.5% |
| 1993 | 0.7435 kg per square kilometre | +2.3% |
| 1994 | 0.7435 kg per square kilometre | +0.0% |
| 1995 | 0.9045 kg per square kilometre | +21.6% |
| 1996 | 1.01 kg per square kilometre | +12.0% |
| 1997 | 1.01 kg per square kilometre | -0.6% |
| 1998 | 1.01 kg per square kilometre | +0.0% |
| 1999 | 1.01 kg per square kilometre | +0.6% |
| 2000 | 1.01 kg per square kilometre | +0.0% |
| 2001 | 1.01 kg per square kilometre | +0.0% |
| 2002 | 1.01 kg per square kilometre | +0.0% |
| 2003 | 1.01 kg per square kilometre | +0.0% |
| 2004 | 1.01 kg per square kilometre | +0.0% |
| 2005 | 1.01 kg per square kilometre | +0.1% |
| 2006 | 1.01 kg per square kilometre | +0.0% |
| 2007 | 1.12 kg per square kilometre | +10.7% |
| 2008 | 1.11 kg per square kilometre | -1.3% |
| 2009 | 1.1 kg per square kilometre | -0.3% |
| 2010 | 1.11 kg per square kilometre | +0.4% |
| 2011 | 1.09 kg per square kilometre | -1.5% |
| 2012 | 1.1 kg per square kilometre | +1.0% |
| 2013 | 1.11 kg per square kilometre | +0.5% |
| 2014 | 1.09 kg per square kilometre | -1.3% |
| 2015 | 1.1 kg per square kilometre | +0.3% |
| 2016 | 1.11 kg per square kilometre | +1.4% |
| 2017 | 1.12 kg per square kilometre | +0.5% |
| 2018 | 1.12 kg per square kilometre | +0.5% |
| 2019 | 1.13 kg per square kilometre | +0.7% |
| 2020 | 1.14 kg per square kilometre | +0.5% |
| 2021 | 1.14 kg per square kilometre | +0.0% |
| 2022 | 1.14 kg per square kilometre | +0.0% |
| 2023 | 1.14 kg per square kilometre | +0.3% |
Tonga compared with similar countries
- Tonga's 1.14 kg per square kilometre is below the median for upper middle income countries, which is 6.43 kg per square kilometre, 18% of the median. (50 countries reporting)
- Tonga's 1.14 kg per square kilometre is above the median for East Asia & Pacific, which is 1.14 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 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 |
|---|---|---|---|
| 1985 | +102.4% | 0.4527 kg per square kilometre | 0.9163 kg per square kilometre |
| 1975 | +82.6% | 0.2204 kg per square kilometre | 0.4024 kg per square kilometre |
| 1978 | +46.2% | 0.3842 kg per square kilometre | 0.5617 kg per square kilometre |
| 1983 | -35.5% | 0.7299 kg per square kilometre | 0.4708 kg per square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.298 kg per square kilometre | 0.1845 kg per square kilometre | 0.4537 kg per square kilometre | 9 |
| 1970s | 0.3517 kg per square kilometre | 0.1738 kg per square kilometre | 0.5617 kg per square kilometre | 10 |
| 1980s | 0.7817 kg per square kilometre | 0.4527 kg per square kilometre | 1.14 kg per square kilometre | 10 |
| 1990s | 0.8559 kg per square kilometre | 0.6954 kg per square kilometre | 1.01 kg per square kilometre | 10 |
| 2000s | 1.04 kg per square kilometre | 1.01 kg per square kilometre | 1.12 kg per square kilometre | 10 |
| 2010s | 1.11 kg per square kilometre | 1.09 kg per square kilometre | 1.13 kg per square kilometre | 10 |
| 2020s | 1.14 kg per square kilometre | 1.14 kg per square kilometre | 1.14 kg per square kilometre | 4 |
Countries ranked near Tonga
- 106 Suriname 1.28 kg per square kilometre compare
- 107 Lesotho 1.17 kg per square kilometre compare
- 108 Italy 1.16 kg per square kilometre compare
- 110 Portugal 1.09 kg per square kilometre compare
- 111 Niger 1.06 kg per square kilometre compare
- 112 Equatorial Guinea 1.03 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 volatilises (n content) in Tonga?
- Poultry birds — manure left on pasture that volatilises (n content) in Tonga was 1.14 kg per square kilometre in 2023, according to Statizoid (derived).
- What is the highest poultry birds — manure left on pasture that volatilises (n content) recorded in Tonga?
- The highest recorded value was 1.14 kg per square kilometre in 2023.
- What is the lowest poultry birds — manure left on pasture that volatilises (n content) recorded in Tonga?
- The lowest recorded value was 0.1738 kg per square kilometre in 1973.
- How does Tonga rank for poultry birds — manure left on pasture that volatilises (n content)?
- Tonga ranks 109th out of 168 countries with data for 2023.
- Is poultry birds — manure left on pasture 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 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
Poultry Birds — 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.
Poultry Birds — Manure left on pasture that volatilises (N content) ÷ Land area (sq. km)
Computed from
- Poultry Birds — 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
Poultry Birds — 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.