What is deliberative political institutions index in Iran?

Deliberative political institutions index in Iran was 0.284 in 2025, according to V-Dem (2026) – processed by Our World in Data.

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

The highest recorded value was 0.783 in 1997.

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

The lowest recorded value was 0.023 in 1933.

How does Iran rank for deliberative political institutions index?

Iran ranks 143rd out of 175 countries with data for 2025.

Is deliberative political institutions index rising or falling in Iran?

Over the last ten years it is down 48.9%. The long-run trend across the full record is volatile.

Where does this Iran 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 Iran

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

Iran: Deliberative Political Institutions Index was 0.284 in 2025. ◆ Volatile

Latest (2025)

0.284

Change on year

down 13.4%

World rank

143rd

of 175 countries

All-time high

0.783

in 1997

All-time low

0.023

in 1933

Years of data

126

1900–2025

Deliberative Political Institutions Index in Iran, 1900–2025

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

Analysis

Iran recorded 0.284 for deliberative political institutions index in 2025.

Compared with earlier readings it is down 13.4% on the previous year and down 48.9% over ten years.

Over the whole period, deliberative political institutions index in Iran peaked at 0.783 in 1997 and was at its lowest, 0.023, in 1933.

That places Iran 143rd out of 175 countries with data for 2025, putting it in the bottom 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	0.106	0.051	0.192	10
1910s	0.205	0.205	0.205	10
1920s	0.0708	0.029	0.205	10
1930s	0.0248	0.023	0.029	10
1940s	0.312	0.023	0.68	10
1950s	0.3018	0.076	0.68	10
1960s	0.0622	0.052	0.093	10
1970s	0.1113	0.052	0.645	10
1980s	0.5438	0.522	0.605	10
1990s	0.66	0.602	0.783	10
2000s	0.691	0.587	0.783	10
2010s	0.5376	0.439	0.597	10
2020s	0.317	0.264	0.381	6

Countries ranked near Iran

140 Central African Republic 0.289 compare
140 United Arab Emirates 0.289 compare
142 Cuba 0.286 compare
143 Saudi Arabia 0.284 compare
145 Comoros 0.275 compare
146 Bolivia 0.273 compare

See the full ranking of 175 places →

More reference data data for Iran

Spring temperature anomalies 0.0713 °C (2026)
Summer temperature anomalies 1.08 °C (2026)
Temperature anomalies by month 0.2419 °C (2026)
Universal right to vote in practice 0 (2025)
Autumn temperature anomalies 1.27 °C (2025)
Winter temperature anomalies 1.14 °C (2025)
Consumer price index 4,030 2010 = 100 (2025)
Universal right to vote 2 (2025)
Competitive elections 0 (2025)
Men's universal right to vote 1 (2025)

All data for Iran →

Frequently asked questions

What is deliberative political institutions index in Iran?: Deliberative political institutions index in Iran was 0.284 in 2025, according to V-Dem (2026) – processed by Our World in Data.
What is the highest deliberative political institutions index recorded in Iran?: The highest recorded value was 0.783 in 1997.
What is the lowest deliberative political institutions index recorded in Iran?: The lowest recorded value was 0.023 in 1933.
How does Iran rank for deliberative political institutions index?: Iran ranks 143rd out of 175 countries with data for 2025.
Is deliberative political institutions index rising or falling in Iran?: Over the last ten years it is down 48.9%. The long-run trend across the full record is volatile.
Where does this Iran 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.