South Sudan vs Yemen: Political centralization index
South Sudan
0.847
in 2025
Yemen
0.848
in 2025
South Sudan rank
26th
Yemen rank
25th
Political centralization index over time
- South Sudan
- Yemen
How they compare
Yemen currently reports 0.848 against 0.847 in South Sudan, a difference of 0.001.
The two have swapped places 6 times across 113 shared years of data; in 1821 it was Yemen ahead.
South Sudan ranks 26th and Yemen ranks 25th of 173 countries.
Across the 13 decades both report, South Sudan averaged higher in 4 and Yemen in 9.
Head to head by decade
| Decade | South Sudan | Yemen | Difference | Ahead |
|---|---|---|---|---|
| 1820s | 0.8539 | 0.941 | 0.0871 | Yemen |
| 1830s | 0.862 | 0.941 | 0.079 | Yemen |
| 1840s | 0.8156 | 0.941 | 0.1254 | Yemen |
| 1850s | 0.713 | 0.9266 | 0.2136 | Yemen |
| 1860s | 0.6557 | 0.9086 | 0.2529 | Yemen |
| 1870s | 0.541 | 0.8351 | 0.2941 | Yemen |
| 1880s | 0.342 | 0.857 | 0.515 | Yemen |
| 1900s | 0.755 | 0.8123 | 0.0573 | Yemen |
| 1910s | 0.755 | 0.6673 | 0.0877 | South Sudan |
| 1990s | 0.9654 | 0.6336 | 0.3319 | South Sudan |
| 2000s | 0.9141 | 0.6655 | 0.2486 | South Sudan |
| 2010s | 0.8513 | 0.7771 | 0.0742 | South Sudan |
| 2020s | 0.8293 | 0.8528 | 0.0235 | Yemen |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher political centralization index, South Sudan or Yemen?
- Yemen, at 0.848 against 0.847 in South Sudan as of 2025.
- What is the difference in political centralization index between South Sudan and Yemen?
- 0.001, with Yemen ahead.
- How many years of comparable data are there for South Sudan and Yemen?
- 113 years are reported by both, from 1821 to 2025.
- How do South Sudan and Yemen rank globally for political centralization index?
- South Sudan ranks 26th and Yemen ranks 25th of 173 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.