How many years of comparable data are there for Portugal and Seychelles?

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.

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

Portugal

0.9852 1000 USD per square kilometre

in 2023

Seychelles

0.9717 1000 USD per square kilometre

in 2023

Portugal rank

82nd

Seychelles rank

83rd

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

Portugal
Seychelles

How they compare

Portugal currently reports 0.9852 1000 USD per square kilometre against 0.9717 1000 USD per square kilometre in Seychelles, a difference of 0.0135 1000 USD per square kilometre.

Across all 63 years both countries report, Portugal has been ahead every year.

Portugal ranks 82nd and Seychelles ranks 83rd of 139 countries.

Portugal has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade	Portugal	Seychelles	Difference	Ahead
1960s	4.07 1000 USD per square kilometre	1.86 1000 USD per square kilometre	2.21 1000 USD per square kilometre	Portugal
1970s	4.37 1000 USD per square kilometre	1.29 1000 USD per square kilometre	3.08 1000 USD per square kilometre	Portugal
1980s	4.28 1000 USD per square kilometre	0.6043 1000 USD per square kilometre	3.68 1000 USD per square kilometre	Portugal
1990s	4.09 1000 USD per square kilometre	0.6898 1000 USD per square kilometre	3.4 1000 USD per square kilometre	Portugal
2000s	2.32 1000 USD per square kilometre	0.7793 1000 USD per square kilometre	1.54 1000 USD per square kilometre	Portugal
2010s	1.62 1000 USD per square kilometre	0.9096 1000 USD per square kilometre	0.7088 1000 USD per square kilometre	Portugal
2020s	1.11 1000 USD per square kilometre	0.9712 1000 USD per square kilometre	0.1409 1000 USD per square kilometre	Portugal

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), Portugal or Seychelles?: Portugal, at 0.9852 1000 USD per square kilometre against 0.9717 1000 USD per square kilometre in Seychelles as of 2023.
What is the difference in roots and tubers, total — gross production value (constant 2014-2016) between Portugal and Seychelles?: 0.0135 1000 USD per square kilometre, with Portugal ahead.
How many years of comparable data are there for Portugal and Seychelles?: 63 years are reported by both, from 1961 to 2023.
How do Portugal and Seychelles rank globally for roots and tubers, total — gross production value (constant 2014-2016)?: Portugal ranks 82nd and Seychelles ranks 83rd 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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Portugal vs Seychelles: 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/portugal/seychelles/

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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/portugal/seychelles/">Portugal vs Seychelles: 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.