Iran vs South Sudan: Freedom of Expression Index
Iran
0.166
in 2025
South Sudan
0.155
in 2025
Iran rank
151st
South Sudan rank
153rd
Freedom of Expression Index over time
- Iran
- South Sudan
How they compare
Iran currently reports 0.166 against 0.155 in South Sudan, a difference of 0.011.
That makes Iran's figure about 1.1 times South Sudan's.
The two have swapped places 14 times across 174 shared years of data; in 1837 it was Iran ahead.
Iran ranks 151st and South Sudan ranks 153rd of 176 countries.
Across the 19 decades both report, Iran averaged higher in 10 and South Sudan in 9.
Head to head by decade
| Decade | Iran | South Sudan | Difference | Ahead |
|---|---|---|---|---|
| 1830s | 0.128 | 0.088 | 0.04 | Iran |
| 1840s | 0.1268 | 0.088 | 0.0388 | Iran |
| 1850s | 0.122 | 0.088 | 0.034 | Iran |
| 1860s | 0.122 | 0.1111 | 0.0109 | Iran |
| 1870s | 0.122 | 0.1499 | 0.0279 | South Sudan |
| 1880s | 0.122 | 0.3468 | 0.2248 | South Sudan |
| 1900s | 0.2067 | 0.307 | 0.1003 | South Sudan |
| 1910s | 0.371 | 0.307 | 0.064 | Iran |
| 1920s | 0.1532 | 0.3145 | 0.1613 | South Sudan |
| 1930s | 0.08 | 0.318 | 0.238 | South Sudan |
| 1940s | 0.354 | 0.3186 | 0.0354 | Iran |
| 1950s | 0.2203 | 0.4128 | 0.1925 | South Sudan |
| 1960s | 0.093 | 0.3932 | 0.3002 | South Sudan |
| 1970s | 0.1041 | 0.1541 | 0.05 | South Sudan |
| 1980s | 0.0716 | 0.3553 | 0.2837 | South Sudan |
| 1990s | 0.1983 | 0.1262 | 0.0721 | Iran |
| 2000s | 0.2868 | 0.1922 | 0.0946 | Iran |
| 2010s | 0.1833 | 0.1819 | 0.0014 | Iran |
| 2020s | 0.1697 | 0.1462 | 0.0235 | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher freedom of expression index, Iran or South Sudan?
- Iran, at 0.166 against 0.155 in South Sudan as of 2025.
- What is the difference in freedom of expression index between Iran and South Sudan?
- 0.011, with Iran ahead.
- How many years of comparable data are there for Iran and South Sudan?
- 174 years are reported by both, from 1837 to 2025.
- How do Iran and South Sudan rank globally for freedom of expression index?
- Iran ranks 151st and South Sudan ranks 153rd of 176 countries.
- Where does this data come from?
- V-Dem (2026) – processed by Our World in Data, published as Freedom of Expression 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 people can discuss political matters at home and in the public sphere, the press, and media are free and can present different political perspectives, and the freedom of academic and cultural expression.