Sweet potatoes — Area harvested, per square kilometre in Tonga
Tonga: Sweet potatoes — Area harvested, per square kilometre was 0.9347 ha per square kilometre in 2023. ▼ Falling
Sweet potatoes — Area harvested, per square kilometre in Tonga, 1961–2023
Source: Statizoid (derived). Measured in ha per square kilometre.
Analysis
In 2023, sweet potatoes — area harvested, per square kilometre in Tonga stood at 0.9347 ha per square kilometre.
The figure is up 1.2% on the previous year and up 12.2% over ten years.
Over the whole period, sweet potatoes — area harvested, per square kilometre in Tonga peaked at 1.81 ha per square kilometre in 1972 and was at its lowest, 0.3458 ha per square kilometre, in 1999.
Tonga ranks 8th of 99 countries on this measure, in the top 10%.
The long-run direction has been consistently falling across the 63 years of available data.
Sweet potatoes — Area harvested, per square kilometre in Tonga, year by year
| Year | ha per square kilometre | Change |
|---|---|---|
| 1961 | 1.53 ha per square kilometre | — |
| 1962 | 1.53 ha per square kilometre | +0.0% |
| 1963 | 1.53 ha per square kilometre | +0.0% |
| 1964 | 1.67 ha per square kilometre | +9.1% |
| 1965 | 1.67 ha per square kilometre | +0.0% |
| 1966 | 1.67 ha per square kilometre | +0.0% |
| 1967 | 1.67 ha per square kilometre | +0.0% |
| 1968 | 1.67 ha per square kilometre | +0.0% |
| 1969 | 1.67 ha per square kilometre | +0.0% |
| 1970 | 1.53 ha per square kilometre | -8.3% |
| 1971 | 1.67 ha per square kilometre | +9.1% |
| 1972 | 1.81 ha per square kilometre | +8.3% |
| 1973 | 1.81 ha per square kilometre | +0.0% |
| 1974 | 1.81 ha per square kilometre | +0.0% |
| 1975 | 1.81 ha per square kilometre | +0.0% |
| 1976 | 1.81 ha per square kilometre | +0.0% |
| 1977 | 1.67 ha per square kilometre | -7.7% |
| 1978 | 1.53 ha per square kilometre | -8.3% |
| 1979 | 1.38 ha per square kilometre | -10.0% |
| 1980 | 1.39 ha per square kilometre | +1.0% |
| 1981 | 1.28 ha per square kilometre | -8.0% |
| 1982 | 1.18 ha per square kilometre | -7.6% |
| 1983 | 1.08 ha per square kilometre | -8.2% |
| 1984 | 0.9722 ha per square kilometre | -10.3% |
| 1985 | 0.875 ha per square kilometre | -10.0% |
| 1986 | 0.7778 ha per square kilometre | -11.1% |
| 1987 | 0.6667 ha per square kilometre | -14.3% |
| 1988 | 0.5556 ha per square kilometre | -16.7% |
| 1989 | 0.4583 ha per square kilometre | -17.5% |
| 1990 | 0.375 ha per square kilometre | -18.2% |
| 1991 | 0.3597 ha per square kilometre | -4.1% |
| 1992 | 0.4306 ha per square kilometre | +19.7% |
| 1993 | 0.8958 ha per square kilometre | +108.1% |
| 1994 | 0.6944 ha per square kilometre | -22.5% |
| 1995 | 0.5778 ha per square kilometre | -16.8% |
| 1996 | 0.5972 ha per square kilometre | +3.4% |
| 1997 | 0.625 ha per square kilometre | +4.7% |
| 1998 | 0.6944 ha per square kilometre | +11.1% |
| 1999 | 0.3458 ha per square kilometre | -50.2% |
| 2000 | 0.9 ha per square kilometre | +160.2% |
| 2001 | 0.625 ha per square kilometre | -30.6% |
| 2002 | 0.6944 ha per square kilometre | +11.1% |
| 2003 | 0.7 ha per square kilometre | +0.8% |
| 2004 | 0.7056 ha per square kilometre | +0.8% |
| 2005 | 0.7167 ha per square kilometre | +1.6% |
| 2006 | 0.7639 ha per square kilometre | +6.6% |
| 2007 | 0.8333 ha per square kilometre | +9.1% |
| 2008 | 0.7792 ha per square kilometre | -6.5% |
| 2009 | 0.7944 ha per square kilometre | +2.0% |
| 2010 | 0.8083 ha per square kilometre | +1.7% |
| 2011 | 0.8194 ha per square kilometre | +1.4% |
| 2012 | 0.8333 ha per square kilometre | +1.7% |
| 2013 | 0.8333 ha per square kilometre | +0.0% |
| 2014 | 0.8486 ha per square kilometre | +1.8% |
| 2015 | 0.8694 ha per square kilometre | +2.5% |
| 2016 | 0.8833 ha per square kilometre | +1.6% |
| 2017 | 0.8875 ha per square kilometre | +0.5% |
| 2018 | 0.9083 ha per square kilometre | +2.3% |
| 2019 | 0.9208 ha per square kilometre | +1.4% |
| 2020 | 0.9056 ha per square kilometre | -1.7% |
| 2021 | 0.9361 ha per square kilometre | +3.4% |
| 2022 | 0.9236 ha per square kilometre | -1.3% |
| 2023 | 0.9347 ha per square kilometre | +1.2% |
Biggest year-on-year movements
Years where Sweet potatoes — Area harvested, per square kilometre 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 |
|---|---|---|---|
| 2000 | +160.2% | 0.3458 ha per square kilometre | 0.9 ha per square kilometre |
| 1993 | +108.1% | 0.4306 ha per square kilometre | 0.8958 ha per square kilometre |
| 1999 | -50.2% | 0.6944 ha per square kilometre | 0.3458 ha per square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 1.62 ha per square kilometre | 1.53 ha per square kilometre | 1.67 ha per square kilometre | 9 |
| 1970s | 1.68 ha per square kilometre | 1.38 ha per square kilometre | 1.81 ha per square kilometre | 10 |
| 1980s | 0.9236 ha per square kilometre | 0.4583 ha per square kilometre | 1.39 ha per square kilometre | 10 |
| 1990s | 0.5596 ha per square kilometre | 0.3458 ha per square kilometre | 0.8958 ha per square kilometre | 10 |
| 2000s | 0.7512 ha per square kilometre | 0.625 ha per square kilometre | 0.9 ha per square kilometre | 10 |
| 2010s | 0.8612 ha per square kilometre | 0.8083 ha per square kilometre | 0.9208 ha per square kilometre | 10 |
| 2020s | 0.925 ha per square kilometre | 0.9056 ha per square kilometre | 0.9361 ha per square kilometre | 4 |
Countries ranked near Tonga
More agriculture & rural data for Tonga
- Agriculture, forestry, and fishing, value added (current US$), annual 7.27 % change on previous year (2024)
- Agriculture, forestry, and fishing, value added (current US$), per 0.1857 current US$ per US$ of GDP (2024)
- Agriculture, forestry, and fishing, value added (current US$), per 1,154 current US$ per person (2024)
- Rural population, annual growth rate -0.4224 % change on previous year (2025)
- Rural population, per unit of GDP 0.0001 units per US$ of GDP (2025)
- Rural population, per capita 0.7884 units per person (2025)
- Share of GDP from agriculture 18.6% (2024)
- Agriculture as a share of GDP vs. GDP per capita 18.6% (2024)
- Agricultural raw materials exports 0.6% (2023)
- Agricultural raw materials imports 1.7% (2023)
Frequently asked questions
- What is sweet potatoes — area harvested, per square kilometre in Tonga?
- Sweet potatoes — area harvested, per square kilometre in Tonga was 0.9347 ha per square kilometre in 2023, according to Statizoid (derived).
- What is the highest sweet potatoes — area harvested, per square kilometre recorded in Tonga?
- The highest recorded value was 1.81 ha per square kilometre in 1972.
- What is the lowest sweet potatoes — area harvested, per square kilometre recorded in Tonga?
- The lowest recorded value was 0.3458 ha per square kilometre in 1999.
- How does Tonga rank for sweet potatoes — area harvested, per square kilometre?
- Tonga ranks 8th out of 99 countries with data for 2023.
- Is sweet potatoes — area harvested, per square kilometre rising or falling in Tonga?
- Over the last ten years it is up 12.2%. The long-run trend across the full record is falling.
- Where does this Tonga data come from?
- The figures come from Statizoid (derived), published as part of Sweet potatoes — Area harvested, 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
Sweet potatoes — Area harvested 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.
Sweet potatoes — Area harvested ÷ Land area (sq. km)
Computed from
- Sweet potatoes — Area harvested 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
Sweet potatoes — Area harvested 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.