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

30 years are reported by both, from 1994 to 2023.

Where does this data come from?

Statizoid (derived), published as Total trade in low carbon technology products, US dollar (World), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Portugal vs Spain: Total trade in low carbon technology products, US dollar (World), per

Portugal

97,937 units per square kilometre

in 2023

Spain

98,302 units per square kilometre

in 2023

Portugal rank

35th

Spain rank

34th

Total trade in low carbon technology products, US dollar (World), per over time

Portugal
Spain

How they compare

Spain currently reports 98,302 units per square kilometre against 97,937 units per square kilometre in Portugal, a difference of 365 units per square kilometre.

The two have swapped places 5 times across 30 shared years of data; in 1994 it was Portugal ahead.

Portugal ranks 35th and Spain ranks 34th of 180 countries.

Across the 4 decades both report, Portugal averaged higher in 3 and Spain in 1.

Head to head by decade

Decade	Portugal	Spain	Difference	Ahead
1990s	11,491 units per square kilometre	10,539 units per square kilometre	951.5 units per square kilometre	Portugal
2000s	25,223 units per square kilometre	27,611 units per square kilometre	2,388 units per square kilometre	Spain
2010s	46,018 units per square kilometre	39,742 units per square kilometre	6,275 units per square kilometre	Portugal
2020s	80,863 units per square kilometre	77,646 units per square kilometre	3,217 units per square kilometre	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher total trade in low carbon technology products, us dollar (world), per, Portugal or Spain?: Spain, at 98,302 units per square kilometre against 97,937 units per square kilometre in Portugal as of 2023.
What is the difference in total trade in low carbon technology products, us dollar (world), per between Portugal and Spain?: 365 units per square kilometre, with Spain ahead.
How many years of comparable data are there for Portugal and Spain?: 30 years are reported by both, from 1994 to 2023.
How do Portugal and Spain rank globally for total trade in low carbon technology products, us dollar (world), per?: Portugal ranks 35th and Spain ranks 34th of 180 countries.
Where does this data come from?: Statizoid (derived), published as Total trade in low carbon technology products, US dollar (World), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Portugal vs Spain: Total trade in low carbon technology products, US dollar (World), per. Statizoid, drawing on Statizoid (derived). Retrieved 11 September 2026, from https://trade.statizoid.com/compare/total-trade-in-low-carbon-technology-products-us-dollar-world-per-square-kilometre/portugal/spain/

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<a href="https://trade.statizoid.com/compare/total-trade-in-low-carbon-technology-products-us-dollar-world-per-square-kilometre/portugal/spain/">Portugal vs Spain: Total trade in low carbon technology products, US dollar (World), per</a> — Statizoid

About this data

Indicator: Total trade in low carbon technology products, US dollar (World), per square kilometre
Unit: units per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 181 places, 4,494 data points, 1994–2023
Last refreshed: 20 August 2026

Total trade in low carbon technology products, US dollar (World) 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.