Which has higher centralization of political power index, Haiti or Iran?

Iran, at 0.834 against 0.809 in Haiti as of 2025.

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

126 years are reported by both, from 1900 to 2025.

Where does this data come from?

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

Haiti vs Iran: Centralization of Political Power Index

Haiti

0.809

in 2025

Iran

0.834

in 2025

Haiti rank

32nd

Iran rank

29th

Centralization of Political Power Index over time

Haiti
Iran

How they compare

Iran currently reports 0.834 against 0.809 in Haiti, a difference of 0.025.

The two have swapped places 14 times across 126 shared years of data; in 1900 it was Iran ahead.

Haiti ranks 32nd and Iran ranks 29th of 173 countries.

Across the 13 decades both report, Haiti averaged higher in 6 and Iran in 7.

Head to head by decade

Decade	Haiti	Iran	Difference	Ahead
1900s	0.8968	0.9336	0.0368	Iran
1910s	0.9082	0.9156	0.0074	Iran
1920s	0.9361	0.8996	0.0365	Haiti
1930s	0.887	0.8984	0.0114	Iran
1940s	0.8752	0.8225	0.0527	Haiti
1950s	0.9106	0.7851	0.1255	Haiti
1960s	0.96	0.8048	0.1552	Haiti
1970s	0.9547	0.7911	0.1636	Haiti
1980s	0.923	0.768	0.155	Haiti
1990s	0.7159	0.7835	0.0676	Iran
2000s	0.6366	0.7731	0.1365	Iran
2010s	0.6904	0.7628	0.0724	Iran
2020s	0.7593	0.8177	0.0583	Iran

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Haiti or Iran?: Iran, at 0.834 against 0.809 in Haiti as of 2025.
What is the difference in centralization of political power index between Haiti and Iran?: 0.025, with Iran ahead.
How many years of comparable data are there for Haiti and Iran?: 126 years are reported by both, from 1900 to 2025.
How do Haiti and Iran rank globally for centralization of political power index?: Haiti ranks 32nd and Iran ranks 29th of 173 countries.
Where does this data come from?: V-Dem (2026) – processed by Our World in Data, published as Centralization of Political Power Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Centralization of Political Power Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 176 places, 29,802 data points, 1789–2025
Last refreshed: 07 August 2026

Central estimate of the extent to which the executive is unconstrained by the legislature, judiciary, electoral management body, and other oversight.