Portugal vs Tonga: SDR Allocation, SDR, per square kilometre

Portugal
30,358 units per square kilometre
in 2023
Tonga
27,510 units per square kilometre
in 2023
Portugal rank
42nd
Tonga rank
44th

SDR Allocation, SDR, per square kilometre over time

  • Portugal
  • Tonga
010.0k20.0k30.0k196119922023

How they compare

Portugal currently reports 30,358 units per square kilometre against 27,510 units per square kilometre in Tonga, a difference of 2,848 units per square kilometre.

That makes Portugal's figure about 1.1 times Tonga's.

The two have swapped places 3 times across 63 shared years of data; in 1961 it was Tonga ahead.

Portugal ranks 42nd and Tonga ranks 44th of 189 countries.

Across the 7 decades both report, Portugal averaged higher in 5 and Tonga in 1.

Head to head by decade

Decade Portugal Tonga Difference Ahead
1960s 0 units per square kilometre 0 units per square kilometre 0 units per square kilometre —
1970s 19.55 units per square kilometre 0 units per square kilometre 19.55 units per square kilometre Portugal
1980s 563.56 units per square kilometre 0 units per square kilometre 563.56 units per square kilometre Portugal
1990s 582.73 units per square kilometre 0 units per square kilometre 582.73 units per square kilometre Portugal
2000s 1,405 units per square kilometre 914 units per square kilometre 491.06 units per square kilometre Portugal
2010s 8,804 units per square kilometre 9,140 units per square kilometre 335.79 units per square kilometre Tonga
2020s 24,970 units per square kilometre 22,918 units per square kilometre 2,052 units per square kilometre Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher sdr allocation, sdr, per square kilometre, Portugal or Tonga?
Portugal, at 30,358 units per square kilometre against 27,510 units per square kilometre in Tonga as of 2023.
What is the difference in sdr allocation, sdr, per square kilometre between Portugal and Tonga?
2,848 units per square kilometre, with Portugal ahead.
How many years of comparable data are there for Portugal and Tonga?
63 years are reported by both, from 1961 to 2023.
How do Portugal and Tonga rank globally for sdr allocation, sdr, per square kilometre?
Portugal ranks 42nd and Tonga ranks 44th of 189 countries.
Where does this data come from?
Statizoid (derived), published as SDR Allocation, SDR, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Portugal vs Tonga: SDR Allocation, SDR, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 10 October 2026, from https://economy.statizoid.com/compare/sdr-allocation-sdr-per-square-kilometre/portugal/tonga/

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About this data

Indicator
SDR Allocation, SDR, per square kilometre
Unit
units per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
191 places, 10,792 data points, 1961–2023
Last refreshed

SDR Allocation, SDR 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.