How many years of comparable data are there for Norway 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.

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

Norway

0.3153 1000 USD per square kilometre

in 2023

Yemen

0.3795 1000 USD per square kilometre

in 2023

Norway rank

118th

Yemen rank

115th

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

Norway
Yemen

How they compare

Yemen currently reports 0.3795 1000 USD per square kilometre against 0.3153 1000 USD per square kilometre in Norway, a difference of 0.0642 1000 USD per square kilometre.

That makes Yemen's figure about 1.2 times Norway's.

The two have swapped places 5 times across 63 shared years of data; in 1961 it was Norway ahead.

Norway ranks 118th and Yemen ranks 115th of 139 countries.

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

Head to head by decade

Decade	Norway	Yemen	Difference	Ahead
1960s	0.9987 1000 USD per square kilometre	0.0315 1000 USD per square kilometre	0.9672 1000 USD per square kilometre	Norway
1970s	0.6443 1000 USD per square kilometre	0.0896 1000 USD per square kilometre	0.5547 1000 USD per square kilometre	Norway
1980s	0.4744 1000 USD per square kilometre	0.1932 1000 USD per square kilometre	0.2813 1000 USD per square kilometre	Norway
1990s	0.4382 1000 USD per square kilometre	0.2203 1000 USD per square kilometre	0.2179 1000 USD per square kilometre	Norway
2000s	0.3677 1000 USD per square kilometre	0.2694 1000 USD per square kilometre	0.0983 1000 USD per square kilometre	Norway
2010s	0.3249 1000 USD per square kilometre	0.3091 1000 USD per square kilometre	0.0158 1000 USD per square kilometre	Norway
2020s	0.357 1000 USD per square kilometre	0.3629 1000 USD per square kilometre	0.0059 1000 USD per square kilometre	Yemen

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), Norway or Yemen?: Yemen, at 0.3795 1000 USD per square kilometre against 0.3153 1000 USD per square kilometre in Norway as of 2023.
What is the difference in roots and tubers, total — gross production value (constant 2014-2016) between Norway and Yemen?: 0.0642 1000 USD per square kilometre, with Yemen ahead.
How many years of comparable data are there for Norway and Yemen?: 63 years are reported by both, from 1961 to 2023.
How do Norway and Yemen rank globally for roots and tubers, total — gross production value (constant 2014-2016)?: Norway ranks 118th 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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Norway 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/norway/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/norway/yemen-rep/">Norway 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.