Religion & community impact
🇮🇷 Iran, Islamic Rep. — how its religious make-up changed
Demographic shift
Share of the population by faith
0.7% → 1%
Christian · 1945–2020
▲ +0.3%
98.7% → 99%
Muslim · 1945–2020
▲ +0.3%
0.3% → 1%
Jewish · 1945–2020
▲ +0.7%
0% → 1%
Unaffiliated · 1945–2020
▲ +1.0%
0.3% → 4%
Other · 1945–2020
▲ +3.7%
- Christian
- Muslim
- Jewish
- Unaffiliated
- Other
| Year | Christian | Muslim | Jewish | Unaffiliated | Other |
|---|---|---|---|---|---|
| 1945 | 0.7% | 98.7% | 0.3% | 0% | 0.3% |
| 1950 | 0.6% | 95% | 0.2% | 0% | 4.3% |
| 1955 | 0.4% | 98.3% | 0.2% | 0% | 1% |
| 1960 | 0.5% | 96.3% | 0.3% | 0% | 2.8% |
| 1965 | 0.5% | 97.8% | 0.2% | 0% | 1.5% |
| 1970 | 1% | 96.6% | 0% | 0% | 2.4% |
| 1975 | 1% | 98.6% | 0.3% | 0% | 0.1% |
| 1980 | 1.2% | 95.9% | 0.1% | 0% | 2.7% |
| 1985 | 0.7% | 97.7% | 0.1% | 0% | 1.6% |
| 1990 | 0.3% | 97.4% | 0% | 0.1% | 2.1% |
| 1995 | 0.3% | 96.5% | 0% | 0% | 3.1% |
| 2000 | 0.2% | 98.5% | 0% | 0.3% | 1% |
| 2005 | 0.2% | 99% | 0% | 0.3% | 0.5% |
| 2010 | 1% | 99% | 1% | 1% | 4% |
| 2020 | 1% | 99% | 1% | 1% | 4% |
Figures are real national estimates from the Correlates of War World Religion Project. Green up arrows mark a rising share, red down arrows a falling share. The page shows recorded self-identification, not attendance.