What is the highest deliberative political institutions index recorded in Portugal?

The highest recorded value was 0.962 in 2018.

What is the lowest deliberative political institutions index recorded in Portugal?

The lowest recorded value was 0.029 in 1934.

How does Portugal rank for deliberative political institutions index?

Portugal ranks 37th out of 175 countries with data for 2025.

Is deliberative political institutions index rising or falling in Portugal?

Over the last ten years it is down 9.0%. The long-run trend across the full record is volatile.

Where does this Portugal data come from?

The figures come from V-Dem (2026) – processed by Our World in Data, published as part of Deliberative Political Institutions Index. Statizoid updates them automatically from the source API.

Deliberative Political Institutions Index in Portugal

Name: Deliberative Political Institutions Index in Portugal
Creator: V-Dem (2026) – processed by Our World in Data
License: CC BY 4.0 (Our World in Data)

Portugal: Deliberative Political Institutions Index was 0.837 in 2025. ◆ Volatile

Latest (2025)

0.837

Change on year

down 5.2%

World rank

37th

of 175 countries

All-time high

0.962

in 2018

All-time low

0.029

in 1934

Years of data

126

1900–2025

Deliberative Political Institutions Index in Portugal, 1900–2025

Source: V-Dem (2026) – processed by Our World in Data.

Analysis

In 2025, deliberative political institutions index in Portugal stood at 0.837.

Compared with earlier readings it is down 5.2% on the previous year and down 9.0% over ten years.

Over the whole period, deliberative political institutions index in Portugal peaked at 0.962 in 2018 and was at its lowest, 0.029, in 1934.

That places Portugal 37th out of 175 countries with data for 2025, putting it in the top quarter.

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

Averages by decade

Decade	Average	Lowest	Highest	Years
1900s	0.129	0.129	0.129	10
1910s	0.2796	0.182	0.3	10
1920s	0.2077	0.065	0.3	10
1930s	0.0396	0.029	0.065	10
1940s	0.0559	0.046	0.057	10
1950s	0.057	0.057	0.057	10
1960s	0.0644	0.057	0.084	10
1970s	0.5111	0.084	0.847	10
1980s	0.8452	0.826	0.874	10
1990s	0.8627	0.851	0.874	10
2000s	0.904	0.871	0.926	10
2010s	0.9359	0.92	0.962	10
2020s	0.8833	0.837	0.917	6

Countries ranked near Portugal

34 Lithuania 0.842 compare
35 Libya 0.84 compare
36 Estonia 0.838 compare
38 Malawi 0.836 compare
39 Spain 0.833 compare
40 Mongolia 0.827 compare

See the full ranking of 175 places →

More reference data data for Portugal

Spring temperature anomalies 0.5537 °C (2026)
Summer temperature anomalies 2.05 °C (2026)
Temperature anomalies by month 0.3824 °C (2026)
Universal right to vote in practice 2 (2025)
Autumn temperature anomalies -0.3904 °C (2025)
Winter temperature anomalies 0.0004 °C (2025)
Consumer price index 132.05 2010 = 100 (2025)
Universal right to vote 2 (2025)
Competitive elections 1 (2025)
Men's universal right to vote 1 (2025)

All data for Portugal →

Frequently asked questions

What is deliberative political institutions index in Portugal?: Deliberative political institutions index in Portugal was 0.837 in 2025, according to V-Dem (2026) – processed by Our World in Data.
What is the highest deliberative political institutions index recorded in Portugal?: The highest recorded value was 0.962 in 2018.
What is the lowest deliberative political institutions index recorded in Portugal?: The lowest recorded value was 0.029 in 1934.
How does Portugal rank for deliberative political institutions index?: Portugal ranks 37th out of 175 countries with data for 2025.
Is deliberative political institutions index rising or falling in Portugal?: Over the last ten years it is down 9.0%. The long-run trend across the full record is volatile.
Where does this Portugal data come from?: The figures come from V-Dem (2026) – processed by Our World in Data, published as part of Deliberative Political Institutions Index. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 126 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator: Deliberative Political Institutions Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 175 places, 20,802 data points, 1900–2025
Last refreshed: 07 August 2026

Central estimate of the extent to which political elites justify their positions, justify them with the common good, acknowledge counterarguments, consult elites in policy changes, and society deliberates policy changes.