Mineral fertilizers — Cropland potassium per unit area in Tonga
Tonga: Mineral fertilizers — Cropland potassium per unit area was 0.3213 kg/ha in 2023. ◆ Volatile
Mineral fertilizers — Cropland potassium per unit area in Tonga, 1961–2023
Source: Food and Agriculture Organization of the United Nations. Measured in kg/ha.
Analysis
Tonga recorded 0.3213 kg/ha for mineral fertilizers — cropland potassium per unit area in 2023.
Compared with earlier readings it is down 45.4% on the previous year and down 71.2% over ten years.
Over the whole period, mineral fertilizers — cropland potassium per unit area in Tonga peaked at 4.12 kg/ha in 2019 and was at its lowest, 0 kg/ha, in 2002.
That places Tonga 166th out of 186 countries with data for 2023, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Mineral fertilizers — Cropland potassium per unit area in Tonga, year by year
| Year | kg/ha | Change |
|---|---|---|
| 1961 | 0.83 kg/ha | — |
| 1962 | 0.7993 kg/ha | -3.7% |
| 1963 | 0.7993 kg/ha | +0.0% |
| 1964 | 0.7993 kg/ha | +0.0% |
| 1965 | 0.7707 kg/ha | -3.6% |
| 1966 | 0.7441 kg/ha | -3.5% |
| 1967 | 0.7441 kg/ha | +0.0% |
| 1968 | 0.7441 kg/ha | +0.0% |
| 1969 | 0.6961 kg/ha | -6.5% |
| 1970 | 0.7193 kg/ha | +3.3% |
| 1971 | 0.7193 kg/ha | +0.0% |
| 1972 | 0.7193 kg/ha | +0.0% |
| 1973 | 0.7193 kg/ha | +0.0% |
| 1974 | 0.7193 kg/ha | +0.0% |
| 1975 | 0.7193 kg/ha | +0.0% |
| 1976 | 0.7441 kg/ha | +3.4% |
| 1977 | 0.7441 kg/ha | +0.0% |
| 1978 | 0.7441 kg/ha | +0.0% |
| 1979 | 0.7441 kg/ha | +0.0% |
| 1980 | 0.7193 kg/ha | -3.3% |
| 1981 | 0.7193 kg/ha | +0.0% |
| 1982 | 0.7193 kg/ha | +0.0% |
| 1983 | 1.32 kg/ha | +83.0% |
| 1984 | 1.25 kg/ha | -5.3% |
| 1985 | 1.18 kg/ha | -5.6% |
| 1986 | 1.11 kg/ha | -5.9% |
| 1987 | 1.04 kg/ha | -6.3% |
| 1988 | 0.9701 kg/ha | -6.7% |
| 1989 | 0.933 kg/ha | -3.8% |
| 1990 | 0.8612 kg/ha | -7.7% |
| 1991 | 0.7894 kg/ha | -8.3% |
| 1992 | 0.7177 kg/ha | -9.1% |
| 1993 | 0.6459 kg/ha | -10.0% |
| 1994 | 0.5741 kg/ha | -11.1% |
| 1995 | 0.485 kg/ha | -15.5% |
| 1996 | 0.4158 kg/ha | -14.3% |
| 1997 | 0.3721 kg/ha | -10.5% |
| 1998 | 0.2977 kg/ha | -20.0% |
| 1999 | 0.2233 kg/ha | -25.0% |
| 2000 | 0.1546 kg/ha | -30.8% |
| 2001 | 0.0773 kg/ha | -50.0% |
| 2002 | 0 kg/ha | -100.0% |
| 2003 | 0 kg/ha | — |
| 2004 | 0 kg/ha | — |
| 2005 | 0 kg/ha | — |
| 2006 | 0 kg/ha | — |
| 2007 | 0 kg/ha | — |
| 2008 | 0.7685 kg/ha | — |
| 2009 | 1.36 kg/ha | +77.4% |
| 2010 | 2.52 kg/ha | +84.8% |
| 2011 | 1.69 kg/ha | -32.9% |
| 2012 | 1.26 kg/ha | -25.5% |
| 2013 | 1.12 kg/ha | -11.4% |
| 2014 | 1.05 kg/ha | -5.8% |
| 2015 | 1.37 kg/ha | +29.9% |
| 2016 | 1.5 kg/ha | +9.8% |
| 2017 | 2.09 kg/ha | +39.3% |
| 2018 | 1.45 kg/ha | -30.8% |
| 2019 | 4.12 kg/ha | +185.2% |
| 2020 | 2.03 kg/ha | -50.6% |
| 2021 | 1.77 kg/ha | -13.2% |
| 2022 | 0.589 kg/ha | -66.7% |
| 2023 | 0.3213 kg/ha | -45.4% |
Tonga compared with similar countries
- Tonga's 0.3213 kg/ha is below the median for upper middle income countries, which is 10.14 kg/ha, 3% of the median. (51 countries reporting)
- Tonga's 0.3213 kg/ha is below the median for East Asia & Pacific, which is 9 kg/ha, 4% of the median. (23 countries reporting)
Biggest year-on-year movements
Years where Mineral fertilizers — Cropland potassium per unit area 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 |
|---|---|---|---|
| 2019 | +185.2% | 1.45 kg/ha | 4.12 kg/ha |
| 2002 | -100.0% | 0.0773 kg/ha | 0 kg/ha |
| 2010 | +84.8% | 1.36 kg/ha | 2.52 kg/ha |
| 1983 | +83.0% | 0.7193 kg/ha | 1.32 kg/ha |
| 2009 | +77.4% | 0.7685 kg/ha | 1.36 kg/ha |
| 2022 | -66.7% | 1.77 kg/ha | 0.589 kg/ha |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.7697 kg/ha | 0.6961 kg/ha | 0.83 kg/ha | 9 |
| 1970s | 0.7292 kg/ha | 0.7193 kg/ha | 0.7441 kg/ha | 10 |
| 1980s | 0.9951 kg/ha | 0.7193 kg/ha | 1.32 kg/ha | 10 |
| 1990s | 0.5382 kg/ha | 0.2233 kg/ha | 0.8612 kg/ha | 10 |
| 2000s | 0.2364 kg/ha | 0 kg/ha | 1.36 kg/ha | 10 |
| 2010s | 1.82 kg/ha | 1.05 kg/ha | 4.12 kg/ha | 10 |
| 2020s | 1.18 kg/ha | 0.3213 kg/ha | 2.03 kg/ha | 4 |
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 mineral fertilizers — cropland potassium per unit area in Tonga?
- Mineral fertilizers — cropland potassium per unit area in Tonga was 0.3213 kg/ha in 2023, according to Food and Agriculture Organization of the United Nations.
- What is the highest mineral fertilizers — cropland potassium per unit area recorded in Tonga?
- The highest recorded value was 4.12 kg/ha in 2019.
- What is the lowest mineral fertilizers — cropland potassium per unit area recorded in Tonga?
- The lowest recorded value was 0 kg/ha in 2002.
- How does Tonga rank for mineral fertilizers — cropland potassium per unit area?
- Tonga ranks 166th out of 186 countries with data for 2023.
- Is mineral fertilizers — cropland potassium per unit area rising or falling in Tonga?
- Over the last ten years it is down 71.2%. 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 Mineral fertilizers — Cropland potassium per unit area. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 63 observations, free to reuse under CC BY-NC-SA 3.0 IGO (FAO).
About this data
The Cropland Nutrient balance domain contains information on the flows of nitrogen, phosphorus, and potassium from mineral fertilizer, manure applied, atmospheric deposition, crop removal, and biological fixation over cropland and per unit area of cropland. The flows are aggregated to total inputs and total outputs, from which the overall nutrient balance and nutrient use efficiency on cropland are calculated. Statistics are disseminated in units of tonnes and in kg/ha, as appropriate. Nutrient use efficiency is expressed as a fraction (%).