Statizoid

Political opposition in Iran

Iran: Political opposition was 1 in 2025. ◆ Volatile

Latest (2025)
1
Change on year
unchanged
World rank
1st
of 197 countries
All-time high
1
in 1906
All-time low
0
in 1789
Years of data
237
1789–2025

Political opposition in Iran, 1789–2025

00.20.40.60.81178919072025

Source: Lexical Index (2026) – processed by Our World in Data.

Analysis

Iran recorded 1 for political opposition in 2025. That is the highest value across all 237 years on record.

Compared with earlier readings it is unchanged over ten years.

Over the whole period, political opposition in Iran peaked at 1 in 1906 and was at its lowest, 0, in 1789.

That places Iran 1st out of 197 countries with data for 2025, putting it in the top 10%.

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

Averages by decade

DecadeAverage LowestHighest Years
1780s 0 0 0 1
1790s 0 0 0 10
1800s 0 0 0 10
1810s 0 0 0 10
1820s 0 0 0 10
1830s 0 0 0 10
1840s 0 0 0 10
1850s 0 0 0 10
1860s 0 0 0 10
1870s 0 0 0 10
1880s 0 0 0 10
1890s 0 0 0 10
1900s 0.2 0 1 10
1910s 0.2 0 1 10
1920s 0.7 0 1 10
1930s 0 0 0 10
1940s 0.7 0 1 10
1950s 0.8 0 1 10
1960s 0.4 0 1 10
1970s 0.5 0 1 10
1980s 1 1 1 10
1990s 1 1 1 10
2000s 1 1 1 10
2010s 1 1 1 10
2020s 1 1 1 6

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See the full ranking of 198 places →

More reference data data for Iran

All data for Iran →

Frequently asked questions

What is political opposition in Iran?
Political opposition in Iran was 1 in 2025, according to Lexical Index (2026) – processed by Our World in Data.
What is the highest political opposition recorded in Iran?
The highest recorded value was 1 in 1906.
What is the lowest political opposition recorded in Iran?
The lowest recorded value was 0 in 1789.
How does Iran rank for political opposition?
Iran ranks 1st out of 197 countries with data for 2025.
Is political opposition rising or falling in Iran?
Over the last ten years it is unchanged. The long-run trend across the full record is volatile.
Where does this Iran data come from?
The figures come from Lexical Index (2026) – processed by Our World in Data, published as part of Political opposition. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 237 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Political opposition
Source
Lexical Index (2026) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
198 places, 32,485 data points, 1789–2025
Last refreshed

Indicates whether more than one party or non-party candidate are able to compete in elections for the legislature.