Guinea-Bissau vs Iran: Political centralization index

Guinea-Bissau
0.843
in 2025
Iran
0.834
in 2025
Guinea-Bissau rank
27th
Iran rank
29th

Political centralization index over time

  • Guinea-Bissau
  • Iran
00.20.40.60.81190019622025

How they compare

Guinea-Bissau currently reports 0.843 against 0.834 in Iran, a difference of 0.009.

The two have swapped places 7 times across 126 shared years of data; in 1900 it was Iran ahead.

Guinea-Bissau ranks 27th and Iran ranks 29th of 176 countries.

Across the 13 decades both report, Guinea-Bissau averaged higher in 7 and Iran in 6.

Head to head by decade

Decade Guinea-Bissau Iran Difference Ahead
1900s 0.905 0.9336 0.0286 Iran
1910s 0.905 0.9156 0.0106 Iran
1920s 0.9119 0.8996 0.0123 Guinea-Bissau
1930s 0.92 0.8984 0.0216 Guinea-Bissau
1940s 0.92 0.8225 0.0975 Guinea-Bissau
1950s 0.92 0.7851 0.1349 Guinea-Bissau
1960s 0.92 0.8048 0.1152 Guinea-Bissau
1970s 0.8528 0.7911 0.0617 Guinea-Bissau
1980s 0.8809 0.768 0.1129 Guinea-Bissau
1990s 0.6851 0.7835 0.0984 Iran
2000s 0.5153 0.7731 0.2578 Iran
2010s 0.4824 0.7628 0.2804 Iran
2020s 0.5723 0.8177 0.2453 Iran

Averages of every year both report within each decade.

Frequently asked questions

Which has higher political centralization index, Guinea-Bissau or Iran?
Guinea-Bissau, at 0.843 against 0.834 in Iran as of 2025.
What is the difference in political centralization index between Guinea-Bissau and Iran?
0.009, with Guinea-Bissau ahead.
How many years of comparable data are there for Guinea-Bissau and Iran?
126 years are reported by both, from 1900 to 2025.
How do Guinea-Bissau and Iran rank globally for political centralization index?
Guinea-Bissau ranks 27th and Iran ranks 29th of 176 countries.
Where does this data come from?
Our World in Data, published as Political centralization index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Guinea-Bissau vs Iran: Political centralization index. Statizoid, drawing on Our World in Data. Retrieved 15 November 2026, from https://reference.statizoid.com/compare/political-centralization-index/guinea-bissau/iran-islamic-rep/

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About this data

Indicator
Political centralization index
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
176 places, 29,802 data points, 1789–2025
Last refreshed