Nutrient potash K2O (total) — Use per area of cropland in Tonga
Tonga: Nutrient potash K2O (total) — Use per area of cropland was 0.39 kg/ha in 2024. ◆ Volatile
Nutrient potash K2O (total) — Use per area of cropland in Tonga, 1961–2024
Source: Food and Agriculture Organization of the United Nations. Measured in kg/ha.
Analysis
The most recent figure for nutrient potash k2o (total) — use per area of cropland in Tonga is 0.39 kg/ha, measured in 2024.
Compared with earlier readings it is down 69.8% over ten years.
Over the whole period, nutrient potash k2o (total) — use per area of cropland in Tonga peaked at 4.97 kg/ha in 2019 and was at its lowest, 0 kg/ha, in 1961.
That places Tonga 169th out of 195 countries with data for 2024, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Nutrient potash K2O (total) — Use per area of cropland in Tonga, year by year
| Year | kg/ha | Change |
|---|---|---|
| 1961 | 0 kg/ha | — |
| 1962 | 0 kg/ha | — |
| 1963 | 0 kg/ha | — |
| 1964 | 0 kg/ha | — |
| 1965 | 0 kg/ha | — |
| 1966 | 0 kg/ha | — |
| 1967 | 0 kg/ha | — |
| 1968 | 0 kg/ha | — |
| 1969 | 0 kg/ha | — |
| 1970 | 0 kg/ha | — |
| 1971 | 0 kg/ha | — |
| 1972 | 0 kg/ha | — |
| 1973 | 0 kg/ha | — |
| 1974 | 0 kg/ha | — |
| 1975 | 0 kg/ha | — |
| 1976 | 0 kg/ha | — |
| 1977 | 0 kg/ha | — |
| 1978 | 0 kg/ha | — |
| 1979 | 0 kg/ha | — |
| 1980 | 0 kg/ha | — |
| 1981 | 0 kg/ha | — |
| 1982 | 0.87 kg/ha | — |
| 1983 | 1.59 kg/ha | +82.8% |
| 1984 | 0 kg/ha | -100.0% |
| 1985 | 0 kg/ha | — |
| 1986 | 0 kg/ha | — |
| 1987 | 0 kg/ha | — |
| 1988 | 0 kg/ha | — |
| 1989 | 0 kg/ha | — |
| 1990 | 0 kg/ha | — |
| 1991 | 0 kg/ha | — |
| 1992 | 0 kg/ha | — |
| 1993 | 0 kg/ha | — |
| 1994 | 0 kg/ha | — |
| 1995 | 0 kg/ha | — |
| 1996 | 0 kg/ha | — |
| 1997 | 0 kg/ha | — |
| 1998 | 0 kg/ha | — |
| 1999 | 0 kg/ha | — |
| 2000 | 0 kg/ha | — |
| 2001 | 0 kg/ha | — |
| 2002 | 0 kg/ha | — |
| 2003 | 0 kg/ha | — |
| 2004 | 0 kg/ha | — |
| 2005 | 0 kg/ha | — |
| 2006 | 0 kg/ha | — |
| 2007 | 0 kg/ha | — |
| 2008 | 0.88 kg/ha | — |
| 2009 | 1.59 kg/ha | +80.7% |
| 2010 | 2.87 kg/ha | +80.5% |
| 2011 | 1.93 kg/ha | -32.8% |
| 2012 | 1.47 kg/ha | -23.8% |
| 2013 | 1.29 kg/ha | -12.2% |
| 2014 | 1.29 kg/ha | +0.0% |
| 2015 | 1.75 kg/ha | +35.7% |
| 2016 | 1.8 kg/ha | +2.9% |
| 2017 | 2.54 kg/ha | +41.1% |
| 2018 | 1.75 kg/ha | -31.1% |
| 2019 | 4.97 kg/ha | +184.0% |
| 2020 | 2.44 kg/ha | -50.9% |
| 2021 | 2.11 kg/ha | -13.5% |
| 2022 | 0.71 kg/ha | -66.4% |
| 2023 | 0.39 kg/ha | -45.1% |
| 2024 | 0.39 kg/ha | +0.0% |
Tonga compared with similar countries
- Tonga's 0.39 kg/ha is below the median for upper middle income countries, which is 11.71 kg/ha, 3% of the median. (52 countries reporting)
- Tonga's 0.39 kg/ha is below the median for East Asia & Pacific, which is 8.75 kg/ha, 4% of the median. (24 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0 kg/ha | 0 kg/ha | 0 kg/ha | 9 |
| 1970s | 0 kg/ha | 0 kg/ha | 0 kg/ha | 10 |
| 1980s | 0.246 kg/ha | 0 kg/ha | 1.59 kg/ha | 10 |
| 1990s | 0 kg/ha | 0 kg/ha | 0 kg/ha | 10 |
| 2000s | 0.247 kg/ha | 0 kg/ha | 1.59 kg/ha | 10 |
| 2010s | 2.17 kg/ha | 1.29 kg/ha | 4.97 kg/ha | 10 |
| 2020s | 1.21 kg/ha | 0.39 kg/ha | 2.44 kg/ha | 5 |
Countries ranked near Tonga
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 nutrient potash k2o (total) — use per area of cropland in Tonga?
- Nutrient potash k2o (total) — use per area of cropland in Tonga was 0.39 kg/ha in 2024, according to Food and Agriculture Organization of the United Nations.
- What is the highest nutrient potash k2o (total) — use per area of cropland recorded in Tonga?
- The highest recorded value was 4.97 kg/ha in 2019.
- What is the lowest nutrient potash k2o (total) — use per area of cropland recorded in Tonga?
- The lowest recorded value was 0 kg/ha in 1961.
- How does Tonga rank for nutrient potash k2o (total) — use per area of cropland?
- Tonga ranks 169th out of 195 countries with data for 2024.
- Is nutrient potash k2o (total) — use per area of cropland rising or falling in Tonga?
- Over the last ten years it is down 69.8%. The long-run trend across the full record is volatile.
- Where does this Tonga data come from?
- The figures come from Food and Agriculture Organization of the United Nations, published as part of Nutrient potash K2O (total) — Use per area of cropland. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 64 observations, free to reuse under CC BY-NC-SA 3.0 IGO (FAO).
About this data
The Fertilizers by Nutrient dataset contains information on the totals in nutrients for Production, Trade and Agriculture Use of inorganic (chemical or mineral) fertilizers. The data are provided for the three primary plant nutrients: nitrogen (N), phosphorus (expressed as P2O5) and potassium (expressed as K2O). Both straight and compound fertilizers are included. Methodological details can be found at: https://files-faostat.fao.org/production/RFN/RFN_EN_README.pdf