What is the difference in sweet potatoes — area harvested, per unit of gdp between Tonga and Zambia?

0 ha per US$ of GDP, with Zambia ahead.

How many years of comparable data are there for Tonga and Zambia?

50 years are reported by both, from 1975 to 2024.

Where does this data come from?

Statizoid (derived), published as Sweet potatoes — Area harvested, per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Tonga vs Zambia: Sweet potatoes — Area harvested, per unit of GDP

Tonga

0 ha per US$ of GDP

in 2024

Zambia

0 ha per US$ of GDP

in 2024

Tonga rank

21st

Zambia rank

20th

Sweet potatoes — Area harvested, per unit of GDP over time

Tonga
Zambia

How they compare

Zambia currently reports 0 ha per US$ of GDP against 0 ha per US$ of GDP in Tonga, a difference of 0 ha per US$ of GDP.

That makes Zambia's figure about 1.1 times Tonga's.

The two have swapped places 5 times across 50 shared years of data; in 1975 it was Tonga ahead.

Tonga ranks 21st and Zambia ranks 20th of 99 countries.

Across the 6 decades both report, Tonga averaged higher in 2 and Zambia in 4.

Head to head by decade

Decade	Tonga	Zambia	Difference	Ahead
1970s	0 ha per US$ of GDP	0 ha per US$ of GDP	0 ha per US$ of GDP	Tonga
1980s	0 ha per US$ of GDP	0 ha per US$ of GDP	0 ha per US$ of GDP	Tonga
1990s	0 ha per US$ of GDP	0 ha per US$ of GDP	0 ha per US$ of GDP	Zambia
2000s	0 ha per US$ of GDP	0 ha per US$ of GDP	0 ha per US$ of GDP	Zambia
2010s	0 ha per US$ of GDP	0 ha per US$ of GDP	0 ha per US$ of GDP	Zambia
2020s	0 ha per US$ of GDP	0 ha per US$ of GDP	0 ha per US$ of GDP	Zambia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher sweet potatoes — area harvested, per unit of gdp, Tonga or Zambia?: Zambia, at 0 ha per US$ of GDP against 0 ha per US$ of GDP in Tonga as of 2024.
What is the difference in sweet potatoes — area harvested, per unit of gdp between Tonga and Zambia?: 0 ha per US$ of GDP, with Zambia ahead.
How many years of comparable data are there for Tonga and Zambia?: 50 years are reported by both, from 1975 to 2024.
How do Tonga and Zambia rank globally for sweet potatoes — area harvested, per unit of gdp?: Tonga ranks 21st and Zambia ranks 20th of 99 countries.
Where does this data come from?: Statizoid (derived), published as Sweet potatoes — Area harvested, per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Tonga vs Zambia: Sweet potatoes — Area harvested, per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://agriculture.statizoid.com/compare/sweet-potatoes-area-harvested-per-unit-of-gdp/tonga/zambia/

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About this data

Indicator: Sweet potatoes — Area harvested, per unit of GDP
Unit: ha per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 100 places, 5,411 data points, 1961–2024
Last refreshed: 10 October 2026

Sweet potatoes — Area harvested divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.