Portugal vs Spain: Political centralization index
Portugal
0.06
in 2025
Spain
0.05
in 2025
Portugal rank
152nd
Spain rank
155th
Political centralization index over time
- Portugal
- Spain
How they compare
Portugal currently reports 0.06 against 0.05 in Spain, a difference of 0.01.
That makes Portugal's figure about 1.2 times Spain's.
The two have swapped places 10 times across 200 shared years of data; in 1820 it was Portugal ahead.
Portugal ranks 152nd and Spain ranks 155th of 176 countries.
Across the 21 decades both report, Portugal averaged higher in 15 and Spain in 6.
Head to head by decade
| Decade | Portugal | Spain | Difference | Ahead |
|---|---|---|---|---|
| 1820s | 0.489 | 0.4989 | 0.0099 | Spain |
| 1830s | 0.6936 | 0.4637 | 0.2299 | Portugal |
| 1840s | 0.7041 | 0.449 | 0.2551 | Portugal |
| 1850s | 0.6362 | 0.449 | 0.1872 | Portugal |
| 1860s | 0.565 | 0.4444 | 0.1206 | Portugal |
| 1870s | 0.565 | 0.403 | 0.162 | Portugal |
| 1880s | 0.565 | 0.403 | 0.162 | Portugal |
| 1890s | 0.565 | 0.403 | 0.162 | Portugal |
| 1900s | 0.5694 | 0.403 | 0.1664 | Portugal |
| 1910s | 0.5534 | 0.403 | 0.1504 | Portugal |
| 1920s | 0.6273 | 0.5471 | 0.0802 | Portugal |
| 1930s | 0.7762 | 0.4383 | 0.3379 | Portugal |
| 1940s | 0.7604 | 0.7775 | 0.0171 | Spain |
| 1950s | 0.7608 | 0.765 | 0.0042 | Spain |
| 1960s | 0.761 | 0.765 | 0.004 | Spain |
| 1970s | 0.4112 | 0.5818 | 0.1706 | Spain |
| 1980s | 0.0531 | 0.031 | 0.0221 | Portugal |
| 1990s | 0.042 | 0.0317 | 0.0103 | Portugal |
| 2000s | 0.0373 | 0.031 | 0.0063 | Portugal |
| 2010s | 0.0327 | 0.0483 | 0.0156 | Spain |
| 2020s | 0.0542 | 0.0438 | 0.0103 | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher political centralization index, Portugal or Spain?
- Portugal, at 0.06 against 0.05 in Spain as of 2025.
- What is the difference in political centralization index between Portugal and Spain?
- 0.01, with Portugal ahead.
- How many years of comparable data are there for Portugal and Spain?
- 200 years are reported by both, from 1820 to 2025.
- How do Portugal and Spain rank globally for political centralization index?
- Portugal ranks 152nd and Spain ranks 155th 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.