Sweet potatoes — Production, per square kilometre in Japan
Japan: Sweet potatoes — Production, per square kilometre was 1.96 t per square kilometre in 2023. ◆ Volatile
Sweet potatoes — Production, per square kilometre in Japan, 1961–2023
Source: Statizoid (derived). Measured in t per square kilometre.
Analysis
The most recent figure for sweet potatoes — production, per square kilometre in Japan is 1.96 t per square kilometre, measured in 2023.
That represents a change of up 0.7% on the previous year and down 24.1% over ten years.
Over the whole period, sweet potatoes — production, per square kilometre in Japan peaked at 18.36 t per square kilometre in 1963 and was at its lowest, 1.84 t per square kilometre, in 2021.
Japan ranks 21st of 99 countries on this measure, in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Sweet potatoes — Production, per square kilometre in Japan, year by year
| Year | t per square kilometre | Change |
|---|---|---|
| 1961 | 17.7 t per square kilometre | — |
| 1962 | 17.26 t per square kilometre | -2.5% |
| 1963 | 18.36 t per square kilometre | +6.4% |
| 1964 | 16.19 t per square kilometre | -11.8% |
| 1965 | 13.7 t per square kilometre | -15.3% |
| 1966 | 13.49 t per square kilometre | -1.6% |
| 1967 | 11.27 t per square kilometre | -16.4% |
| 1968 | 10.12 t per square kilometre | -10.1% |
| 1969 | 8.09 t per square kilometre | -20.1% |
| 1970 | 7.28 t per square kilometre | -10.1% |
| 1971 | 5.81 t per square kilometre | -20.1% |
| 1972 | 5.62 t per square kilometre | -3.3% |
| 1973 | 4.4 t per square kilometre | -21.7% |
| 1974 | 3.91 t per square kilometre | -11.0% |
| 1975 | 3.87 t per square kilometre | -1.2% |
| 1976 | 3.49 t per square kilometre | -9.8% |
| 1977 | 3.91 t per square kilometre | +11.9% |
| 1978 | 3.74 t per square kilometre | -4.2% |
| 1979 | 3.71 t per square kilometre | -0.8% |
| 1980 | 3.6 t per square kilometre | -3.1% |
| 1981 | 3.98 t per square kilometre | +10.7% |
| 1982 | 3.78 t per square kilometre | -5.0% |
| 1983 | 3.77 t per square kilometre | -0.4% |
| 1984 | 3.84 t per square kilometre | +1.9% |
| 1985 | 4.19 t per square kilometre | +9.1% |
| 1986 | 4.13 t per square kilometre | -1.3% |
| 1987 | 3.9 t per square kilometre | -5.5% |
| 1988 | 3.64 t per square kilometre | -6.8% |
| 1989 | 3.92 t per square kilometre | +7.9% |
| 1990 | 3.85 t per square kilometre | -2.0% |
| 1991 | 3.3 t per square kilometre | -14.1% |
| 1992 | 3.55 t per square kilometre | +7.5% |
| 1993 | 2.83 t per square kilometre | -20.2% |
| 1994 | 3.47 t per square kilometre | +22.4% |
| 1995 | 3.24 t per square kilometre | -6.6% |
| 1996 | 3.04 t per square kilometre | -6.1% |
| 1997 | 3.1 t per square kilometre | +1.9% |
| 1998 | 3.12 t per square kilometre | +0.8% |
| 1999 | 2.77 t per square kilometre | -11.5% |
| 2000 | 2.94 t per square kilometre | +6.5% |
| 2001 | 2.92 t per square kilometre | -1.0% |
| 2002 | 2.83 t per square kilometre | -3.1% |
| 2003 | 2.58 t per square kilometre | -8.6% |
| 2004 | 2.77 t per square kilometre | +7.2% |
| 2005 | 2.89 t per square kilometre | +4.4% |
| 2006 | 2.71 t per square kilometre | -6.1% |
| 2007 | 2.66 t per square kilometre | -2.1% |
| 2008 | 2.77 t per square kilometre | +4.4% |
| 2009 | 2.81 t per square kilometre | +1.5% |
| 2010 | 2.37 t per square kilometre | -15.8% |
| 2011 | 2.43 t per square kilometre | +2.6% |
| 2012 | 2.4 t per square kilometre | -1.1% |
| 2013 | 2.59 t per square kilometre | +7.6% |
| 2014 | 2.43 t per square kilometre | -5.9% |
| 2015 | 2.23 t per square kilometre | -8.2% |
| 2016 | 2.36 t per square kilometre | +5.7% |
| 2017 | 2.21 t per square kilometre | -6.2% |
| 2018 | 2.19 t per square kilometre | -1.3% |
| 2019 | 2.05 t per square kilometre | -6.0% |
| 2020 | 1.89 t per square kilometre | -8.2% |
| 2021 | 1.84 t per square kilometre | -2.3% |
| 2022 | 1.95 t per square kilometre | +5.8% |
| 2023 | 1.96 t per square kilometre | +0.7% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 14.02 t per square kilometre | 8.09 t per square kilometre | 18.36 t per square kilometre | 9 |
| 1970s | 4.57 t per square kilometre | 3.49 t per square kilometre | 7.28 t per square kilometre | 10 |
| 1980s | 3.87 t per square kilometre | 3.6 t per square kilometre | 4.19 t per square kilometre | 10 |
| 1990s | 3.23 t per square kilometre | 2.77 t per square kilometre | 3.85 t per square kilometre | 10 |
| 2000s | 2.79 t per square kilometre | 2.58 t per square kilometre | 2.94 t per square kilometre | 10 |
| 2010s | 2.33 t per square kilometre | 2.05 t per square kilometre | 2.59 t per square kilometre | 10 |
| 2020s | 1.91 t per square kilometre | 1.84 t per square kilometre | 1.96 t per square kilometre | 4 |
Countries ranked near Japan
- 18 Cuba 2.23 t per square kilometre compare
- 19 Saint Vincent and the Grenadines 2.14 t per square kilometre compare
- 20 Grenada 2.09 t per square kilometre compare
- 22 Philippines 1.76 t per square kilometre compare
- 23 Papua New Guinea 1.62 t per square kilometre compare
- 24 Angola 1.6 t per square kilometre compare
More agriculture & rural data for Japan
- Agriculture, forestry, and fishing, value added (current US$), annual 10.95 % change on previous year (2024)
- Agriculture, forestry, and fishing, value added (current US$), per 0.0096 current US$ per US$ of GDP (2024)
- Agriculture, forestry, and fishing, value added (current US$), per 323.87 current US$ per person (2024)
- Rural population, annual growth rate -1.89 % change on previous year (2025)
- Rural population, per unit of GDP 0 units per US$ of GDP (2025)
- Rural population, per capita 0.077 units per person (2025)
- Share of GDP from agriculture 1.0% (2024)
- Agriculture as a share of GDP vs. GDP per capita 1.0% (2024)
- Agricultural raw materials exports 0.5% (2025)
- Agricultural raw materials imports 1.6% (2025)
Frequently asked questions
- What is sweet potatoes — production, per square kilometre in Japan?
- Sweet potatoes — production, per square kilometre in Japan was 1.96 t per square kilometre in 2023, according to Statizoid (derived).
- What is the highest sweet potatoes — production, per square kilometre recorded in Japan?
- The highest recorded value was 18.36 t per square kilometre in 1963.
- What is the lowest sweet potatoes — production, per square kilometre recorded in Japan?
- The lowest recorded value was 1.84 t per square kilometre in 2021.
- How does Japan rank for sweet potatoes — production, per square kilometre?
- Japan ranks 21st out of 99 countries with data for 2023.
- Is sweet potatoes — production, per square kilometre rising or falling in Japan?
- Over the last ten years it is down 24.1%. The long-run trend across the full record is volatile.
- Where does this Japan data come from?
- The figures come from Statizoid (derived), published as part of Sweet potatoes — Production, 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 — Production 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 — Production ÷ Land area (sq. km)
Computed from
- Sweet potatoes — Production 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 — Production 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.