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

126 years are reported by both, from 1900 to 2025.

Where does this data come from?

Statizoid (derived), published as Key features of liberal democracy, gaps filled. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iceland vs Portugal: Key features of liberal democracy, gaps filled

Iceland

0.72

in 2025

Portugal

0.717

in 2025

Iceland rank

25th

Portugal rank

26th

Key features of liberal democracy, gaps filled over time

Iceland
Portugal

How they compare

Iceland currently reports 0.72 against 0.717 in Portugal, a difference of 0.003.

The two have swapped places 2 times across 126 shared years of data; in 1900 it was Iceland ahead.

Iceland ranks 25th and Portugal ranks 26th of 176 countries.

Across the 13 decades both report, Iceland averaged higher in 8 and Portugal in 5.

Head to head by decade

Decade	Iceland	Portugal	Difference	Ahead
1900s	0.4157	0.1394	0.2763	Iceland
1910s	0.5491	0.1698	0.3793	Iceland
1920s	0.6642	0.1381	0.5261	Iceland
1930s	0.6604	0.0733	0.5871	Iceland
1940s	0.6733	0.072	0.6013	Iceland
1950s	0.698	0.073	0.625	Iceland
1960s	0.7079	0.0742	0.6337	Iceland
1970s	0.7194	0.3273	0.3921	Iceland
1980s	0.7506	0.7992	0.0486	Portugal
1990s	0.7787	0.8096	0.0309	Portugal
2000s	0.7843	0.8282	0.0439	Portugal
2010s	0.7845	0.8331	0.0486	Portugal
2020s	0.7498	0.767	0.0172	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher key features of liberal democracy, gaps filled, Iceland or Portugal?: Iceland, at 0.72 against 0.717 in Portugal as of 2025.
What is the difference in key features of liberal democracy, gaps filled between Iceland and Portugal?: 0.003, with Iceland ahead.
How many years of comparable data are there for Iceland and Portugal?: 126 years are reported by both, from 1900 to 2025.
How do Iceland and Portugal rank globally for key features of liberal democracy, gaps filled?: Iceland ranks 25th and Portugal ranks 26th of 176 countries.
Where does this data come from?: Statizoid (derived), published as Key features of liberal democracy, gaps filled. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iceland vs Portugal: Key features of liberal democracy, gaps filled. Statizoid, drawing on Statizoid (derived). Retrieved 29 August 2026, from https://social-development.statizoid.com/compare/key-features-of-liberal-democracy-gaps-filled/iceland/portugal/

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About this data

Indicator: Key features of liberal democracy, gaps filled
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 176 places, 28,729 data points, 1789–2025
Last refreshed: 21 August 2026

Key features of liberal democracy with 58 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.