Roots and Tubers, Total — Area harvested, per square kilometre in Tonga

Tonga: Roots and Tubers, Total — Area harvested, per square kilometre was 3.09 ha per square kilometre in 2023. ◆ Volatile

Latest (2023)
3.09 ha per square kilometre
Change on year
up 0.2%
World rank
16th
of 169 countries
All-time high
13.72 ha per square kilometre
in 1976
All-time low
2.99 ha per square kilometre
in 2011
Years of data
63
1961–2023

Roots and Tubers, Total — Area harvested, per square kilometre in Tonga, 1961–2023

2.557.51012.5196119922023

Source: Statizoid (derived). Measured in ha per square kilometre.

Analysis

Tonga recorded 3.09 ha per square kilometre for roots and tubers, total — area harvested, per square kilometre in 2023.

Compared with earlier readings it is up 0.2% on the previous year and down 0.2% over ten years.

Over the whole period, roots and tubers, total — area harvested, per square kilometre in Tonga peaked at 13.72 ha per square kilometre in 1976 and was at its lowest, 2.99 ha per square kilometre, in 2011.

Tonga ranks 16th of 169 countries on this measure, in the top 10%.

The series is highly variable year to year, so single readings are best treated with caution.

Roots and Tubers, Total — Area harvested, per square kilometre in Tonga, year by year

Annual values for Roots and Tubers, Total — Area harvested, per square kilometre in Tonga, 1961 to 2023.
Year ha per square kilometre Change
1961 11.37 ha per square kilometre
1962 11.74 ha per square kilometre +3.2%
1963 11.86 ha per square kilometre +1.1%
1964 12.11 ha per square kilometre +2.1%
1965 12.15 ha per square kilometre +0.3%
1966 12.22 ha per square kilometre +0.6%
1967 12.29 ha per square kilometre +0.6%
1968 12.36 ha per square kilometre +0.6%
1969 12.5 ha per square kilometre +1.1%
1970 12.43 ha per square kilometre -0.6%
1971 12.72 ha per square kilometre +2.3%
1972 13 ha per square kilometre +2.2%
1973 13.19 ha per square kilometre +1.5%
1974 13.39 ha per square kilometre +1.5%
1975 13.62 ha per square kilometre +1.7%
1976 13.72 ha per square kilometre +0.7%
1977 13.47 ha per square kilometre -1.8%
1978 13.22 ha per square kilometre -1.8%
1979 12.37 ha per square kilometre -6.5%
1980 12.03 ha per square kilometre -2.7%
1981 11.58 ha per square kilometre -3.8%
1982 11.07 ha per square kilometre -4.4%
1983 10.84 ha per square kilometre -2.1%
1984 10.31 ha per square kilometre -4.8%
1985 9.86 ha per square kilometre -4.4%
1986 9.15 ha per square kilometre -7.2%
1987 8.48 ha per square kilometre -7.3%
1988 7.82 ha per square kilometre -7.8%
1989 7.35 ha per square kilometre -6.0%
1990 7.42 ha per square kilometre +0.9%
1991 4.63 ha per square kilometre -37.5%
1992 6.5 ha per square kilometre +40.2%
1993 7.41 ha per square kilometre +14.0%
1994 7.09 ha per square kilometre -4.2%
1995 6.49 ha per square kilometre -8.5%
1996 5.76 ha per square kilometre -11.2%
1997 5.02 ha per square kilometre -12.9%
1998 4.27 ha per square kilometre -14.8%
1999 3.31 ha per square kilometre -22.6%
2000 3.32 ha per square kilometre +0.4%
2001 3.06 ha per square kilometre -7.9%
2002 3.31 ha per square kilometre +8.4%
2003 3.3 ha per square kilometre -0.3%
2004 3.28 ha per square kilometre -0.7%
2005 3.27 ha per square kilometre -0.4%
2006 3.25 ha per square kilometre -0.4%
2007 3.42 ha per square kilometre +5.1%
2008 3.26 ha per square kilometre -4.7%
2009 3.17 ha per square kilometre -2.8%
2010 3.07 ha per square kilometre -2.9%
2011 2.99 ha per square kilometre -2.7%
2012 2.99 ha per square kilometre +0.1%
2013 3.1 ha per square kilometre +3.6%
2014 3.06 ha per square kilometre -1.4%
2015 2.99 ha per square kilometre -2.1%
2016 3.08 ha per square kilometre +3.1%
2017 3.06 ha per square kilometre -0.7%
2018 3.07 ha per square kilometre +0.1%
2019 3.09 ha per square kilometre +0.8%
2020 3.06 ha per square kilometre -1.0%
2021 3.08 ha per square kilometre +0.7%
2022 3.09 ha per square kilometre +0.3%
2023 3.09 ha per square kilometre +0.2%

Averages by decade

DecadeAverage LowestHighest Years
1960s 12.07 ha per square kilometre 11.37 ha per square kilometre 12.5 ha per square kilometre 9
1970s 13.11 ha per square kilometre 12.37 ha per square kilometre 13.72 ha per square kilometre 10
1980s 9.85 ha per square kilometre 7.35 ha per square kilometre 12.03 ha per square kilometre 10
1990s 5.79 ha per square kilometre 3.31 ha per square kilometre 7.42 ha per square kilometre 10
2000s 3.26 ha per square kilometre 3.06 ha per square kilometre 3.42 ha per square kilometre 10
2010s 3.05 ha per square kilometre 2.99 ha per square kilometre 3.1 ha per square kilometre 10
2020s 3.08 ha per square kilometre 3.06 ha per square kilometre 3.09 ha per square kilometre 4

Countries ranked near Tonga

  1. 13 Cambodia 3.39 ha per square kilometre compare
  2. 14 Sierra Leone 3.23 ha per square kilometre compare
  3. 15 Belgium 3.14 ha per square kilometre compare
  4. 17 Thailand 2.97 ha per square kilometre compare
  5. 18 Sao Tome and Principe 2.91 ha per square kilometre compare
  6. 19 Lebanon 2.71 ha per square kilometre compare

See the full ranking of 170 places →

More agriculture & rural data for Tonga

All data for Tonga →

Frequently asked questions

What is roots and tubers, total — area harvested, per square kilometre in Tonga?
Roots and tubers, total — area harvested, per square kilometre in Tonga was 3.09 ha per square kilometre in 2023, according to Statizoid (derived).
What is the highest roots and tubers, total — area harvested, per square kilometre recorded in Tonga?
The highest recorded value was 13.72 ha per square kilometre in 1976.
What is the lowest roots and tubers, total — area harvested, per square kilometre recorded in Tonga?
The lowest recorded value was 2.99 ha per square kilometre in 2011.
How does Tonga rank for roots and tubers, total — area harvested, per square kilometre?
Tonga ranks 16th out of 169 countries with data for 2023.
Is roots and tubers, total — area harvested, per square kilometre rising or falling in Tonga?
Over the last ten years it is down 0.2%. The long-run trend across the full record is volatile.
Where does this Tonga data come from?
The figures come from Statizoid (derived), published as part of Roots and Tubers, Total — Area harvested, per square kilometre. Statizoid updates them automatically from the source API.

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Roots and Tubers, Total — Area harvested, per square kilometre in Tonga. Statizoid, drawing on Statizoid (derived). Retrieved 05 September 2026, from https://agriculture.statizoid.com/stat/roots-and-tubers-total-area-harvested-per-square-kilometre/tonga/

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How this figure is calculated

Roots and Tubers, Total — 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.

Roots and Tubers, Total — Area harvested ÷ Land area (sq. km)

Computed from

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

Indicator
Roots and Tubers, Total — Area harvested, per square kilometre
Unit
ha per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
170 places, 9,705 data points, 1961–2023
Last refreshed

Roots and Tubers, Total — 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.