How many years of comparable data are there for Poland and Sri Lanka?

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.

Poland vs Sri Lanka: Roots and Tubers, Total — Gross Production Value (constant 2014-2016)

Poland

1.98 1000 USD per square kilometre

in 2023

Sri Lanka

2.28 1000 USD per square kilometre

in 2023

Poland rank

57th

Sri Lanka rank

54th

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

Poland
Sri Lanka

How they compare

Sri Lanka currently reports 2.28 1000 USD per square kilometre against 1.98 1000 USD per square kilometre in Poland, a difference of 0.3 1000 USD per square kilometre.

That makes Sri Lanka's figure about 1.1 times Poland's.

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

Poland ranks 57th and Sri Lanka ranks 54th of 139 countries.

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

Head to head by decade

Decade	Poland	Sri Lanka	Difference	Ahead
1960s	16.08 1000 USD per square kilometre	1.9 1000 USD per square kilometre	14.18 1000 USD per square kilometre	Poland
1970s	16.79 1000 USD per square kilometre	3.35 1000 USD per square kilometre	13.44 1000 USD per square kilometre	Poland
1980s	12.56 1000 USD per square kilometre	3.75 1000 USD per square kilometre	8.81 1000 USD per square kilometre	Poland
1990s	9.47 1000 USD per square kilometre	2.33 1000 USD per square kilometre	7.15 1000 USD per square kilometre	Poland
2000s	4.91 1000 USD per square kilometre	2 1000 USD per square kilometre	2.9 1000 USD per square kilometre	Poland
2010s	2.84 1000 USD per square kilometre	2.39 1000 USD per square kilometre	0.4475 1000 USD per square kilometre	Poland
2020s	2.36 1000 USD per square kilometre	2.27 1000 USD per square kilometre	0.0897 1000 USD per square kilometre	Poland

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), Poland or Sri Lanka?: Sri Lanka, at 2.28 1000 USD per square kilometre against 1.98 1000 USD per square kilometre in Poland as of 2023.
What is the difference in roots and tubers, total — gross production value (constant 2014-2016) between Poland and Sri Lanka?: 0.3 1000 USD per square kilometre, with Sri Lanka ahead.
How many years of comparable data are there for Poland and Sri Lanka?: 63 years are reported by both, from 1961 to 2023.
How do Poland and Sri Lanka rank globally for roots and tubers, total — gross production value (constant 2014-2016)?: Poland ranks 57th and Sri Lanka ranks 54th 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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Poland vs Sri Lanka: 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/poland/sri-lanka/

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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/poland/sri-lanka/">Poland vs Sri Lanka: 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.