How many years of comparable data are there for Iran and Saudi Arabia?

237 years are reported by both, from 1789 to 2025.

Where does this data come from?

V-Dem (2026) – processed by Our World in Data, published as Participatory Political Institutions Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran vs Saudi Arabia: Participatory Political Institutions Index

Iran

0.101

in 2025

Saudi Arabia

0.101

in 2025

Iran rank

169th

Saudi Arabia rank

169th

Participatory Political Institutions Index over time

Iran
Saudi Arabia

How they compare

Iran currently reports 0.101 against 0.101 in Saudi Arabia, a difference of 0.

The two have swapped places 13 times across 237 shared years of data; in 1789 it was Iran ahead.

Iran ranks 169th and Saudi Arabia ranks 169th of 176 countries.

Across the 25 decades both report, Iran averaged higher in 15 and Saudi Arabia in 10.

Head to head by decade

Decade	Iran	Saudi Arabia	Difference	Ahead
1780s	0.022	0.018	0.004	Iran
1790s	0.022	0.018	0.004	Iran
1800s	0.022	0.018	0.004	Iran
1810s	0.022	0.0232	0.0012	Saudi Arabia
1820s	0.022	0.0311	0.0091	Saudi Arabia
1830s	0.022	0.032	0.01	Saudi Arabia
1840s	0.0218	0.032	0.0102	Saudi Arabia
1850s	0.021	0.032	0.011	Saudi Arabia
1860s	0.021	0.032	0.011	Saudi Arabia
1870s	0.021	0.032	0.011	Saudi Arabia
1880s	0.021	0.032	0.011	Saudi Arabia
1890s	0.0264	0.032	0.0056	Saudi Arabia
1900s	0.0386	0.032	0.0066	Iran
1910s	0.056	0.032	0.024	Iran
1920s	0.0716	0.032	0.0396	Iran
1930s	0.051	0.032	0.019	Iran
1940s	0.1006	0.032	0.0686	Iran
1950s	0.1348	0.0372	0.0976	Iran
1960s	0.122	0.039	0.083	Iran
1970s	0.1417	0.0395	0.1022	Iran
1980s	0.1175	0.0546	0.0629	Iran
1990s	0.1581	0.0737	0.0844	Iran
2000s	0.1172	0.088	0.0292	Iran
2010s	0.0984	0.0959	0.0025	Iran
2020s	0.0897	0.0952	0.0055	Saudi Arabia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher participatory political institutions index, Iran or Saudi Arabia?: Iran, at 0.101 against 0.101 in Saudi Arabia as of 2025.
What is the difference in participatory political institutions index between Iran and Saudi Arabia?: 0, with Iran ahead.
How many years of comparable data are there for Iran and Saudi Arabia?: 237 years are reported by both, from 1789 to 2025.
How do Iran and Saudi Arabia rank globally for participatory political institutions index?: Iran ranks 169th and Saudi Arabia ranks 169th of 176 countries.
Where does this data come from?: V-Dem (2026) – processed by Our World in Data, published as Participatory Political Institutions Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs Saudi Arabia: Participatory Political Institutions Index. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 09 November 2026, from https://reference.statizoid.com/compare/participatory-political-institutions-index/iran-islamic-rep/saudi-arabia/

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About this data

Indicator: Participatory Political Institutions Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 176 places, 29,844 data points, 1789–2025
Last refreshed: 30 October 2026

Central estimate of the extent to which citizens can engage in regional and local government, civil society organizations, and direct democracy.