Cassava yields in Tonga
Tonga: Cassava yields was 15.32 tonnes per hectare in 2024. ▲ Rising
Latest (2024)
15.32 tonnes per hectare
Change on year
up 0.0%
World rank
32nd
of 101 countries
All-time high
19.76 tonnes per hectare
in 1991
All-time low
5.02 tonnes per hectare
in 1961
Years of data
64
1961–2024
Cassava yields in Tonga, 1961–2024
Source: Food and Agriculture Organization of the United Nations (2025) – with major processing by Our World in Data. Measured in tonnes per hectare.
Analysis
Tonga recorded 15.32 tonnes per hectare for cassava yields in 2024.
Compared with earlier readings it is down 0.4% over ten years.
Over the whole period, cassava yields in Tonga peaked at 19.76 tonnes per hectare in 1991 and was at its lowest, 5.02 tonnes per hectare, in 1961.
That places Tonga 32nd out of 101 countries with data for 2024, putting it in the middle of the range.
The long-run direction has been consistently rising across the 64 years of available data.
Cassava yields in Tonga, year by year
| Year | tonnes per hectare | Change |
|---|---|---|
| 1961 | 5.02 tonnes per hectare | — |
| 1962 | 9.38 tonnes per hectare | +86.7% |
| 1963 | 10.76 tonnes per hectare | +14.8% |
| 1964 | 10.5 tonnes per hectare | -2.4% |
| 1965 | 10.28 tonnes per hectare | -2.1% |
| 1966 | 10.17 tonnes per hectare | -1.1% |
| 1967 | 10 tonnes per hectare | -1.6% |
| 1968 | 9.89 tonnes per hectare | -1.1% |
| 1969 | 9.44 tonnes per hectare | -4.5% |
| 1970 | 9.3 tonnes per hectare | -1.6% |
| 1971 | 9.04 tonnes per hectare | -2.7% |
| 1972 | 7.89 tonnes per hectare | -12.7% |
| 1973 | 7.69 tonnes per hectare | -2.6% |
| 1974 | 7.5 tonnes per hectare | -2.5% |
| 1975 | 7.32 tonnes per hectare | -2.4% |
| 1976 | 7.21 tonnes per hectare | -1.4% |
| 1977 | 7 tonnes per hectare | -2.9% |
| 1978 | 6.55 tonnes per hectare | -6.4% |
| 1979 | 6.43 tonnes per hectare | -1.9% |
| 1980 | 6.26 tonnes per hectare | -2.6% |
| 1981 | 6.36 tonnes per hectare | +1.6% |
| 1982 | 6.36 tonnes per hectare | +0.0% |
| 1983 | 6.79 tonnes per hectare | +6.7% |
| 1984 | 6.67 tonnes per hectare | -1.8% |
| 1985 | 6.3 tonnes per hectare | -5.5% |
| 1986 | 7.61 tonnes per hectare | +20.8% |
| 1987 | 9.09 tonnes per hectare | +19.5% |
| 1988 | 10.95 tonnes per hectare | +20.5% |
| 1989 | 11.9 tonnes per hectare | +8.7% |
| 1990 | 10.8 tonnes per hectare | -9.2% |
| 1991 | 19.76 tonnes per hectare | +82.9% |
| 1992 | 16.46 tonnes per hectare | -16.7% |
| 1993 | 17.3 tonnes per hectare | +5.1% |
| 1994 | 12.9 tonnes per hectare | -25.4% |
| 1995 | 12.96 tonnes per hectare | +0.5% |
| 1996 | 13.04 tonnes per hectare | +0.6% |
| 1997 | 13.16 tonnes per hectare | +0.9% |
| 1998 | 13.33 tonnes per hectare | +1.3% |
| 1999 | 13.17 tonnes per hectare | -1.2% |
| 2000 | 12.96 tonnes per hectare | -1.6% |
| 2001 | 12.86 tonnes per hectare | -0.8% |
| 2002 | 12.68 tonnes per hectare | -1.3% |
| 2003 | 12.8 tonnes per hectare | +0.9% |
| 2004 | 12.76 tonnes per hectare | -0.3% |
| 2005 | 12.76 tonnes per hectare | -0.1% |
| 2006 | 12.67 tonnes per hectare | -0.7% |
| 2007 | 12.6 tonnes per hectare | -0.5% |
| 2008 | 13.2 tonnes per hectare | +4.8% |
| 2009 | 13.59 tonnes per hectare | +2.9% |
| 2010 | 13.99 tonnes per hectare | +2.9% |
| 2011 | 14.42 tonnes per hectare | +3.0% |
| 2012 | 15 tonnes per hectare | +4.0% |
| 2013 | 15.38 tonnes per hectare | +2.6% |
| 2014 | 15.39 tonnes per hectare | +0.0% |
| 2015 | 15.05 tonnes per hectare | -2.2% |
| 2016 | 15.29 tonnes per hectare | +1.6% |
| 2017 | 15.24 tonnes per hectare | -0.3% |
| 2018 | 15.38 tonnes per hectare | +0.9% |
| 2019 | 15.3 tonnes per hectare | -0.5% |
| 2020 | 15.32 tonnes per hectare | +0.1% |
| 2021 | 15.33 tonnes per hectare | +0.1% |
| 2022 | 15.32 tonnes per hectare | -0.1% |
| 2023 | 15.32 tonnes per hectare | +0.0% |
| 2024 | 15.32 tonnes per hectare | +0.0% |
Tonga compared with similar countries
- Tonga's 15.32 tonnes per hectare is above the median for upper middle income countries, which is 12.27 tonnes per hectare, 1.2× the median. (34 countries reporting)
- Tonga's 15.32 tonnes per hectare is below the median for East Asia & Pacific, which is 16.28 tonnes per hectare, 94% of the median. (20 countries reporting)
Biggest year-on-year movements
Years where Cassava yields 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 |
|---|---|---|---|
| 1962 | +86.7% | 5.02 tonnes per hectare | 9.38 tonnes per hectare |
| 1991 | +82.9% | 10.8 tonnes per hectare | 19.76 tonnes per hectare |
| 1994 | -25.4% | 17.3 tonnes per hectare | 12.9 tonnes per hectare |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 9.49 tonnes per hectare | 5.02 tonnes per hectare | 10.76 tonnes per hectare | 9 |
| 1970s | 7.59 tonnes per hectare | 6.43 tonnes per hectare | 9.3 tonnes per hectare | 10 |
| 1980s | 7.83 tonnes per hectare | 6.26 tonnes per hectare | 11.9 tonnes per hectare | 10 |
| 1990s | 14.29 tonnes per hectare | 10.8 tonnes per hectare | 19.76 tonnes per hectare | 10 |
| 2000s | 12.89 tonnes per hectare | 12.6 tonnes per hectare | 13.59 tonnes per hectare | 10 |
| 2010s | 15.04 tonnes per hectare | 13.99 tonnes per hectare | 15.39 tonnes per hectare | 10 |
| 2020s | 15.32 tonnes per hectare | 15.32 tonnes per hectare | 15.33 tonnes per hectare | 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 cassava yields in Tonga?
- Cassava yields in Tonga was 15.32 tonnes per hectare in 2024, according to Food and Agriculture Organization of the United Nations (2025) – with major processing by Our World in Data.
- What is the highest cassava yields recorded in Tonga?
- The highest recorded value was 19.76 tonnes per hectare in 1991.
- What is the lowest cassava yields recorded in Tonga?
- The lowest recorded value was 5.02 tonnes per hectare in 1961.
- How does Tonga rank for cassava yields?
- Tonga ranks 32nd out of 101 countries with data for 2024.
- Is cassava yields rising or falling in Tonga?
- Over the last ten years it is down 0.4%. The long-run trend across the full record is rising.
- Where does this Tonga data come from?
- The figures come from Food and Agriculture Organization of the United Nations (2025) – with major processing by Our World in Data, published as part of Cassava yields. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 64 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Yield is the amount produced per unit of land used, measured in tonnes per hectare.