Guinea-Bissau vs Iran: Centralization of Political Power Index
Guinea-Bissau
0.843
in 2025
Iran
0.834
in 2025
Guinea-Bissau rank
27th
Iran rank
29th
Centralization of Political Power Index over time
- Guinea-Bissau
- Iran
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 173 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 centralization of political power index, Guinea-Bissau or Iran?
- Guinea-Bissau, at 0.843 against 0.834 in Iran as of 2025.
- What is the difference in centralization of political power 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 centralization of political power index?
- Guinea-Bissau ranks 27th 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
Central estimate of the extent to which the executive is unconstrained by the legislature, judiciary, electoral management body, and other oversight.