How many years of comparable data are there for Mali and Yemen?

63 years are reported by both, from 1961 to 2023.

Where does this data come from?

Statizoid (derived), published as Roots and Tubers, Total — Gross Production Value (constant 2014-2016 thousand US$), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Mali vs Yemen: Roots and Tubers, Total — Gross Production Value (constant 2014-2016)

Mali

0.3585 1000 USD per square kilometre

in 2023

Yemen

0.3795 1000 USD per square kilometre

in 2023

Mali rank

116th

Yemen rank

115th

Roots and Tubers, Total — Gross Production Value (constant 2014-2016) over time

Mali
Yemen

How they compare

Yemen currently reports 0.3795 1000 USD per square kilometre against 0.3585 1000 USD per square kilometre in Mali, a difference of 0.021 1000 USD per square kilometre.

That makes Yemen's figure about 1.1 times Mali's.

The two have swapped places 4 times across 63 shared years of data; in 1961 it was Yemen ahead.

Mali ranks 116th and Yemen ranks 115th of 139 countries.

Across the 7 decades both report, Mali averaged higher in 1 and Yemen in 6.

Head to head by decade

Decade	Mali	Yemen	Difference	Ahead
1960s	0.0208 1000 USD per square kilometre	0.0315 1000 USD per square kilometre	0.0107 1000 USD per square kilometre	Yemen
1970s	0.0154 1000 USD per square kilometre	0.0896 1000 USD per square kilometre	0.0742 1000 USD per square kilometre	Yemen
1980s	0.0088 1000 USD per square kilometre	0.1932 1000 USD per square kilometre	0.1844 1000 USD per square kilometre	Yemen
1990s	0.0436 1000 USD per square kilometre	0.2203 1000 USD per square kilometre	0.1766 1000 USD per square kilometre	Yemen
2000s	0.1336 1000 USD per square kilometre	0.2694 1000 USD per square kilometre	0.1358 1000 USD per square kilometre	Yemen
2010s	0.2948 1000 USD per square kilometre	0.3091 1000 USD per square kilometre	0.0144 1000 USD per square kilometre	Yemen
2020s	0.375 1000 USD per square kilometre	0.3629 1000 USD per square kilometre	0.0121 1000 USD per square kilometre	Mali

Averages of every year both report within each decade.

Frequently asked questions

Which has higher roots and tubers, total — gross production value (constant 2014-2016), Mali or Yemen?: Yemen, at 0.3795 1000 USD per square kilometre against 0.3585 1000 USD per square kilometre in Mali as of 2023.
What is the difference in roots and tubers, total — gross production value (constant 2014-2016) between Mali and Yemen?: 0.021 1000 USD per square kilometre, with Yemen ahead.
How many years of comparable data are there for Mali and Yemen?: 63 years are reported by both, from 1961 to 2023.
How do Mali and Yemen rank globally for roots and tubers, total — gross production value (constant 2014-2016)?: Mali ranks 116th and Yemen ranks 115th of 139 countries.
Where does this data come from?: Statizoid (derived), published as Roots and Tubers, Total — Gross Production Value (constant 2014-2016 thousand US$), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Mali vs Yemen: Roots and Tubers, Total — Gross Production Value (constant 2014-2016). Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://agriculture.statizoid.com/compare/roots-and-tubers-total-gross-production-value-constant-2014-2016-thousand-us-per-square/mali/yemen-rep/

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<a href="https://agriculture.statizoid.com/compare/roots-and-tubers-total-gross-production-value-constant-2014-2016-thousand-us-per-square/mali/yemen-rep/">Mali vs Yemen: Roots and Tubers, Total — Gross Production Value (constant 2014-2016)</a> — Statizoid

About this data

Indicator: Roots and Tubers, Total — Gross Production Value (constant 2014-2016 thousand US$), per square kilometre
Unit: 1000 USD per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 140 places, 7,839 data points, 1961–2023
Last refreshed: 23 September 2026

Roots and Tubers, Total — Gross Production Value (constant 2014-2016 thousand US$) 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.