Which has higher centralization of political power index, Iraq or Oman?

Oman, at 0.568 against 0.567 in Iraq as of 2025.

How many years of comparable data are there for Iraq and Oman?

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.

Iraq vs Oman: Centralization of Political Power Index

Iraq

0.567

in 2025

Oman

0.568

in 2025

Iraq rank

64th

Oman rank

63rd

Centralization of Political Power Index over time

Iraq
Oman

How they compare

Oman currently reports 0.568 against 0.567 in Iraq, a difference of 0.001.

The two have swapped places 4 times across 126 shared years of data; in 1900 it was Oman ahead.

Iraq ranks 64th and Oman ranks 63rd of 176 countries.

Across the 13 decades both report, Iraq averaged higher in 1 and Oman in 12.

Head to head by decade

Decade	Iraq	Oman	Difference	Ahead
1900s	0.8123	0.946	0.1337	Oman
1910s	0.6752	0.937	0.2618	Oman
1920s	0.4496	0.937	0.4874	Oman
1930s	0.3736	0.929	0.5554	Oman
1940s	0.4222	0.9205	0.4983	Oman
1950s	0.4664	0.924	0.4576	Oman
1960s	0.7868	0.932	0.1452	Oman
1970s	0.7759	0.8765	0.1006	Oman
1980s	0.7185	0.829	0.1105	Oman
1990s	0.75	0.7654	0.0154	Oman
2000s	0.5923	0.6356	0.0433	Oman
2010s	0.5137	0.5948	0.0811	Oman
2020s	0.5903	0.5895	0.0008	Iraq

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Iraq or Oman?: Oman, at 0.568 against 0.567 in Iraq as of 2025.
What is the difference in centralization of political power index between Iraq and Oman?: 0.001, with Oman ahead.
How many years of comparable data are there for Iraq and Oman?: 126 years are reported by both, from 1900 to 2025.
How do Iraq and Oman rank globally for centralization of political power index?: Iraq ranks 64th and Oman ranks 63rd of 176 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.

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Iraq vs Oman: Centralization of Political Power Index. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/compare/political-centralization-index/iraq/oman/

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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: 18 September 2026

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