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

42 years are reported by both, from 1982 to 2023.

Where does this data come from?

Statizoid (derived), published as Changes in inventories (current US$), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Chad vs Portugal: Changes in inventories (current US$), per square kilometre

Chad

476.07 current US$ per square kilometre

in 2023

Portugal

361.39 current US$ per square kilometre

in 2023

Chad rank

96th

Portugal rank

99th

Changes in inventories (current US$), per square kilometre over time

Chad
Portugal

How they compare

Chad currently reports 476.07 current US$ per square kilometre against 361.39 current US$ per square kilometre in Portugal, a difference of 114.68 current US$ per square kilometre.

That makes Chad's figure about 1.3 times Portugal's.

The two have swapped places 13 times across 42 shared years of data; in 1982 it was Portugal ahead.

Chad ranks 96th and Portugal ranks 99th of 183 countries.

Portugal has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Chad	Portugal	Difference	Ahead
1980s	16.94 current US$ per square kilometre	3,044 current US$ per square kilometre	3,027 current US$ per square kilometre	Portugal
1990s	25.93 current US$ per square kilometre	8,859 current US$ per square kilometre	8,833 current US$ per square kilometre	Portugal
2000s	-144.8 current US$ per square kilometre	5,850 current US$ per square kilometre	5,995 current US$ per square kilometre	Portugal
2010s	259.26 current US$ per square kilometre	6,722 current US$ per square kilometre	6,463 current US$ per square kilometre	Portugal
2020s	495.41 current US$ per square kilometre	8,231 current US$ per square kilometre	7,736 current US$ per square kilometre	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher changes in inventories (current us$), per square kilometre, Chad or Portugal?: Chad, at 476.07 current US$ per square kilometre against 361.39 current US$ per square kilometre in Portugal as of 2023.
What is the difference in changes in inventories (current us$), per square kilometre between Chad and Portugal?: 114.68 current US$ per square kilometre, with Chad ahead.
How many years of comparable data are there for Chad and Portugal?: 42 years are reported by both, from 1982 to 2023.
How do Chad and Portugal rank globally for changes in inventories (current us$), per square kilometre?: Chad ranks 96th and Portugal ranks 99th of 183 countries.
Where does this data come from?: Statizoid (derived), published as Changes in inventories (current US$), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Chad vs Portugal: Changes in inventories (current US$), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 06 September 2026, from https://economy.statizoid.com/compare/changes-in-inventories-current-us-per-square-kilometre/chad/portugal/

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<a href="https://economy.statizoid.com/compare/changes-in-inventories-current-us-per-square-kilometre/chad/portugal/">Chad vs Portugal: Changes in inventories (current US$), per square kilometre</a> — Statizoid

About this data

Indicator: Changes in inventories (current US$), per square kilometre
Unit: current US$ per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 183 places, 7,455 data points, 1961–2023
Last refreshed: 06 September 2026

Changes in inventories (current 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.