Portugal vs Spain: GNI, PPP (constant 2021 international $), per square kilometre

Portugal
4.74 million constant 2021 international $ per square kilometre
in 2023
Spain
4.56 million constant 2021 international $ per square kilometre
in 2023
Portugal rank
36th
Spain rank
37th

GNI, PPP (constant 2021 international $), per square kilometre over time

  • Portugal
  • Spain
01.0M2.0M3.0M4.0M5.0M199020062023

How they compare

Portugal currently reports 4.74 million constant 2021 international $ per square kilometre against 4.56 million constant 2021 international $ per square kilometre in Spain, a difference of 177,010 constant 2021 international $ per square kilometre.

The two have swapped places 6 times across 29 shared years of data; in 1995 it was Portugal ahead.

Portugal ranks 36th and Spain ranks 37th of 156 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 3.35 million constant 2021 international $ per square kilometre 2.79 million constant 2021 international $ per square kilometre 558,882 constant 2021 international $ per square kilometre Portugal
2000s 3.90 million constant 2021 international $ per square kilometre 3.69 million constant 2021 international $ per square kilometre 216,964 constant 2021 international $ per square kilometre Portugal
2010s 4.02 million constant 2021 international $ per square kilometre 4.03 million constant 2021 international $ per square kilometre 11,121 constant 2021 international $ per square kilometre Spain
2020s 4.42 million constant 2021 international $ per square kilometre 4.28 million constant 2021 international $ per square kilometre 137,365 constant 2021 international $ per square kilometre Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher gni, ppp (constant 2021 international $), per square kilometre, Portugal or Spain?
Portugal, at 4.74 million constant 2021 international $ per square kilometre against 4.56 million constant 2021 international $ per square kilometre in Spain as of 2023.
What is the difference in gni, ppp (constant 2021 international $), per square kilometre between Portugal and Spain?
177,010 constant 2021 international $ per square kilometre, with Portugal ahead.
How many years of comparable data are there for Portugal and Spain?
29 years are reported by both, from 1995 to 2023.
How do Portugal and Spain rank globally for gni, ppp (constant 2021 international $), per square kilometre?
Portugal ranks 36th and Spain ranks 37th of 156 countries.
Where does this data come from?
Statizoid (derived), published as GNI, PPP (constant 2021 international $), 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: GNI, PPP (constant 2021 international $), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://economy.statizoid.com/compare/gni-ppp-constant-2021-international-per-square-kilometre/portugal/spain/

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About this data

Indicator
GNI, PPP (constant 2021 international $), per square kilometre
Unit
constant 2021 international $ per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
181 places, 4,996 data points, 1990–2023
Last refreshed

GNI, PPP (constant 2021 international $) 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.