Key features of liberal democracy, gaps filled in Portugal

Portugal: Key features of liberal democracy, gaps filled was 0.717 in 2025. ◆ Volatile

Latest (2025)
0.717
Change on year
down 4.9%
World rank
26th
of 176 countries
All-time high
0.849
in 2018
All-time low
0.051
in 1833
Years of data
193
1833–2025

Key features of liberal democracy, gaps filled in Portugal, 1833–2025

00.20.40.60.8183319292025

Source: Statizoid (derived).

Analysis

In 2025, key features of liberal democracy, gaps filled in Portugal stood at 0.717.

That represents a change of down 4.9% on the previous year and down 13.5% over ten years.

Over the whole period, key features of liberal democracy, gaps filled in Portugal peaked at 0.849 in 2018 and was at its lowest, 0.051, in 1833.

Portugal ranks 26th of 176 countries on this measure, in the top quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

DecadeAverage LowestHighest Years
1830s 0.0861 0.051 0.103 7
1840s 0.095 0.084 0.101 10
1850s 0.1321 0.109 0.14 10
1860s 0.1433 0.143 0.144 10
1870s 0.1443 0.142 0.147 10
1880s 0.1473 0.147 0.148 10
1890s 0.145 0.143 0.147 10
1900s 0.1394 0.135 0.141 10
1910s 0.1698 0.138 0.188 10
1920s 0.1381 0.066 0.186 10
1930s 0.0733 0.071 0.079 10
1940s 0.072 0.072 0.072 10
1950s 0.073 0.073 0.073 10
1960s 0.0742 0.072 0.078 10
1970s 0.3273 0.082 0.687 10
1980s 0.7992 0.776 0.816 10
1990s 0.8096 0.803 0.816 10
2000s 0.8282 0.813 0.839 10
2010s 0.8331 0.82 0.849 10
2020s 0.767 0.717 0.81 6

Countries ranked near Portugal

  1. 23 Canada 0.736 compare
  2. 24 Japan 0.734 compare
  3. 25 Iceland 0.72 compare
  4. 27 Lithuania 0.712 compare
  5. 28 Brazil 0.704 compare
  6. 28 Taïwan 0.704 compare

See the full ranking of 176 places →

More social development data for Portugal

All data for Portugal →

Frequently asked questions

What is key features of liberal democracy, gaps filled in Portugal?
Key features of liberal democracy, gaps filled in Portugal was 0.717 in 2025, according to Statizoid (derived).
What is the highest key features of liberal democracy, gaps filled recorded in Portugal?
The highest recorded value was 0.849 in 2018.
What is the lowest key features of liberal democracy, gaps filled recorded in Portugal?
The lowest recorded value was 0.051 in 1833.
How does Portugal rank for key features of liberal democracy, gaps filled?
Portugal ranks 26th out of 176 countries with data for 2025.
Is key features of liberal democracy, gaps filled rising or falling in Portugal?
Over the last ten years it is down 13.5%. The long-run trend across the full record is volatile.
Where does this Portugal data come from?
The figures come from Statizoid (derived), published as part of Key features of liberal democracy, gaps filled. Statizoid updates them automatically from the source API.

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CSV · JSON — 193 observations, free to reuse under Derived by Statizoid from the sources named on the page.

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Key features of liberal democracy, gaps filled in Portugal. Statizoid, drawing on Statizoid (derived). Retrieved 21 August 2026, from https://social-development.statizoid.com/stat/key-features-of-liberal-democracy-gaps-filled/portugal/

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How this figure is calculated

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.

Computed from

Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.

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

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.