How many years of comparable data are there for Ghana and Nigeria?

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.

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

Ghana

48.22 1000 USD per square kilometre

in 2023

Nigeria

41.2 1000 USD per square kilometre

in 2023

Ghana rank

2nd

Nigeria rank

5th

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

Ghana
Nigeria

How they compare

Ghana currently reports 48.22 1000 USD per square kilometre against 41.2 1000 USD per square kilometre in Nigeria, a difference of 7.02 1000 USD per square kilometre.

That makes Ghana's figure about 1.2 times Nigeria's.

The two have swapped places 16 times across 63 shared years of data; in 1961 it was Ghana ahead.

Ghana ranks 2nd and Nigeria ranks 5th of 139 countries.

Across the 7 decades both report, Ghana averaged higher in 4 and Nigeria in 3.

Head to head by decade

Decade	Ghana	Nigeria	Difference	Ahead
1960s	5.3 1000 USD per square kilometre	4.41 1000 USD per square kilometre	0.8922 1000 USD per square kilometre	Ghana
1970s	5.21 1000 USD per square kilometre	5.23 1000 USD per square kilometre	0.017 1000 USD per square kilometre	Nigeria
1980s	5.95 1000 USD per square kilometre	4.79 1000 USD per square kilometre	1.16 1000 USD per square kilometre	Ghana
1990s	13.11 1000 USD per square kilometre	14.95 1000 USD per square kilometre	1.85 1000 USD per square kilometre	Nigeria
2000s	21.01 1000 USD per square kilometre	21.46 1000 USD per square kilometre	0.442 1000 USD per square kilometre	Nigeria
2010s	32.73 1000 USD per square kilometre	30.52 1000 USD per square kilometre	2.21 1000 USD per square kilometre	Ghana
2020s	46.2 1000 USD per square kilometre	39.55 1000 USD per square kilometre	6.65 1000 USD per square kilometre	Ghana

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), Ghana or Nigeria?: Ghana, at 48.22 1000 USD per square kilometre against 41.2 1000 USD per square kilometre in Nigeria as of 2023.
What is the difference in roots and tubers, total — gross production value (constant 2014-2016) between Ghana and Nigeria?: 7.02 1000 USD per square kilometre, with Ghana ahead.
How many years of comparable data are there for Ghana and Nigeria?: 63 years are reported by both, from 1961 to 2023.
How do Ghana and Nigeria rank globally for roots and tubers, total — gross production value (constant 2014-2016)?: Ghana ranks 2nd and Nigeria ranks 5th 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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Ghana vs Nigeria: 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/ghana/nigeria/

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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/ghana/nigeria/">Ghana vs Nigeria: 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.