Sweet potatoes — Yield in Tonga
Tonga: Sweet potatoes — Yield was 9,901 kg/ha in 2024. ▼ Falling
Sweet potatoes — Yield in Tonga, 1961–2024
Source: Food and Agriculture Organization of the United Nations. Measured in kg/ha.
Analysis
The most recent figure for sweet potatoes — yield in Tonga is 9,901 kg/ha, measured in 2024.
Compared with earlier readings it is up 0.7% on the previous year and down 7.3% over ten years.
Over the whole period, sweet potatoes — yield in Tonga peaked at 12,929 kg/ha in 1979 and was at its lowest, 9,836 kg/ha, in 2023.
That places Tonga 53rd out of 112 countries with data for 2024, putting it in the middle of the range.
The long-run direction has been consistently falling across the 64 years of available data.
Sweet potatoes — Yield in Tonga, year by year
| Year | kg/ha | Change |
|---|---|---|
| 1961 | 12,273 kg/ha | — |
| 1962 | 12,364 kg/ha | +0.7% |
| 1963 | 12,377 kg/ha | +0.1% |
| 1964 | 11,938 kg/ha | -3.5% |
| 1965 | 11,917 kg/ha | -0.2% |
| 1966 | 11,917 kg/ha | +0.0% |
| 1967 | 11,917 kg/ha | +0.0% |
| 1968 | 11,917 kg/ha | +0.0% |
| 1969 | 11,854 kg/ha | -0.5% |
| 1970 | 12,008 kg/ha | +1.3% |
| 1971 | 12,278 kg/ha | +2.2% |
| 1972 | 11,846 kg/ha | -3.5% |
| 1973 | 12,000 kg/ha | +1.3% |
| 1974 | 12,036 kg/ha | +0.3% |
| 1975 | 11,923 kg/ha | -0.9% |
| 1976 | 11,895 kg/ha | -0.2% |
| 1977 | 12,083 kg/ha | +1.6% |
| 1978 | 12,454 kg/ha | +3.1% |
| 1979 | 12,929 kg/ha | +3.8% |
| 1980 | 11,900 kg/ha | -8.0% |
| 1981 | 11,956 kg/ha | +0.5% |
| 1982 | 12,000 kg/ha | +0.4% |
| 1983 | 11,923 kg/ha | -0.6% |
| 1984 | 12,000 kg/ha | +0.6% |
| 1985 | 11,905 kg/ha | -0.8% |
| 1986 | 11,964 kg/ha | +0.5% |
| 1987 | 12,083 kg/ha | +1.0% |
| 1988 | 12,250 kg/ha | +1.4% |
| 1989 | 12,121 kg/ha | -1.1% |
| 1990 | 11,852 kg/ha | -2.2% |
| 1991 | 12,340 kg/ha | +4.1% |
| 1992 | 12,371 kg/ha | +0.3% |
| 1993 | 10,188 kg/ha | -17.6% |
| 1994 | 12,000 kg/ha | +17.8% |
| 1995 | 12,349 kg/ha | +2.9% |
| 1996 | 12,093 kg/ha | -2.1% |
| 1997 | 12,000 kg/ha | -0.8% |
| 1998 | 12,000 kg/ha | +0.0% |
| 1999 | 12,370 kg/ha | +3.1% |
| 2000 | 12,346 kg/ha | -0.2% |
| 2001 | 12,222 kg/ha | -1.0% |
| 2002 | 12,000 kg/ha | -1.8% |
| 2003 | 11,905 kg/ha | -0.8% |
| 2004 | 11,948 kg/ha | +0.4% |
| 2005 | 11,909 kg/ha | -0.3% |
| 2006 | 12,273 kg/ha | +3.1% |
| 2007 | 11,333 kg/ha | -7.7% |
| 2008 | 11,287 kg/ha | -0.4% |
| 2009 | 11,101 kg/ha | -1.7% |
| 2010 | 10,958 kg/ha | -1.3% |
| 2011 | 10,862 kg/ha | -0.9% |
| 2012 | 10,000 kg/ha | -7.9% |
| 2013 | 10,833 kg/ha | +8.3% |
| 2014 | 10,684 kg/ha | -1.4% |
| 2015 | 10,498 kg/ha | -1.7% |
| 2016 | 10,452 kg/ha | -0.4% |
| 2017 | 10,352 kg/ha | -1.0% |
| 2018 | 10,227 kg/ha | -1.2% |
| 2019 | 10,123 kg/ha | -1.0% |
| 2020 | 10,380 kg/ha | +2.5% |
| 2021 | 10,026 kg/ha | -3.4% |
| 2022 | 9,917 kg/ha | -1.1% |
| 2023 | 9,836 kg/ha | -0.8% |
| 2024 | 9,901 kg/ha | +0.7% |
Tonga compared with similar countries
- Tonga's 9,901 kg/ha is above the median for upper middle income countries, which is 9,330 kg/ha, 1.1× the median. (30 countries reporting)
- Tonga's 9,901 kg/ha is above the median for East Asia & Pacific, which is 9,403 kg/ha, 1.1× the median. (16 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 12,053 kg/ha | 11,854 kg/ha | 12,377 kg/ha | 9 |
| 1970s | 12,145 kg/ha | 11,846 kg/ha | 12,929 kg/ha | 10 |
| 1980s | 12,010 kg/ha | 11,900 kg/ha | 12,250 kg/ha | 10 |
| 1990s | 11,956 kg/ha | 10,188 kg/ha | 12,371 kg/ha | 10 |
| 2000s | 11,832 kg/ha | 11,101 kg/ha | 12,346 kg/ha | 10 |
| 2010s | 10,499 kg/ha | 10,000 kg/ha | 10,958 kg/ha | 10 |
| 2020s | 10,012 kg/ha | 9,836 kg/ha | 10,380 kg/ha | 5 |
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 — yield in Tonga?
- Sweet potatoes — yield in Tonga was 9,901 kg/ha in 2024, according to Food and Agriculture Organization of the United Nations.
- What is the highest sweet potatoes — yield recorded in Tonga?
- The highest recorded value was 12,929 kg/ha in 1979.
- What is the lowest sweet potatoes — yield recorded in Tonga?
- The lowest recorded value was 9,836 kg/ha in 2023.
- How does Tonga rank for sweet potatoes — yield?
- Tonga ranks 53rd out of 112 countries with data for 2024.
- Is sweet potatoes — yield rising or falling in Tonga?
- Over the last ten years it is down 7.3%. The long-run trend across the full record is falling.
- Where does this Tonga data come from?
- The figures come from Food and Agriculture Organization of the United Nations, published as part of Sweet potatoes — Yield. 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
Crop and livestock statistics are recorded for 278 products, covering the following categories: 1) CROPS PRIMARY: Cereals, Citrus Fruit, Fibre Crops, Fruit, Oil Crops, Oil Crops and Cakes in Oil Equivalent, Pulses, Roots and Tubers, Sugar Crops, Treenuts and Vegetables. Data are expressed in terms of area harvested, production quantity and yield. Cereals: Area and production data on cereals relate to crops harvested for dry grain only. Cereal crops harvested for hay or harvested green for food, feed or silage or used for grazing are therefore excluded. 2) CROPS PROCESSED: Beer of barley; Cotton lint; Cottonseed; Margarine, short; Molasses; Oil, coconut (copra); Oil, cottonseed; Oil, groundnut; Oil, linseed; Oil, maize; Oil, olive, virgin; Oil, palm; Oil, palm kernel; Oil, rapeseed; Oil, safflower; Oil, sesame; Oil, soybean; Oil, sunflower; Palm kernels; Sugar Raw Centrifugal; Wine. 3) LIVE ANIMALS: Animals live n.e.s.; Asses; Beehives; Buffaloes; Camelids, other; Camels; Cattle; Chickens; Ducks; Geese and guinea fowls; Goats; Horses; Mules; Pigeons, other birds; Pigs; Rabbits and hares; Rodents, other; Sheep; Turkeys. 4) LIVESTOCK PRIMARY: Beeswax; Eggs (various types); Hides buffalo, fresh; Hides, cattle, fresh; Honey, natural; Meat (ass, bird nes, buffalo, camel, cattle, chicken, duck, game, goat, goose and guinea fowl, horse, mule, Meat nes, meat other camelids, Meat other rodents, pig, rabbit, sheep, turkey); Milk (buffalo, camel, cow, goat, sheep); Offals, nes; Silk-worm cocoons, reelable; Skins (goat, sheep); Snails, not sea; Wool, greasy. 5) LIVESTOCK PROCESSED: Butter (of milk from sheep, goat, buffalo, cow); Cheese (of milk from goat, buffalo, sheep, cow milk); Cheese of skimmed cow milk; Cream fresh; Ghee (cow and buffalo milk); Lard; Milk (dry buttermilk, skimmed condensed, skimmed cow, skimmed dried, skimmed evaporated, whole condensed, whole dried, whole evaporated); Silk raw; Tallow; Whey (condensed and dry); Yoghurt.