Irreligion in Italy
- Christianity (83.3%)
- No religion (12.4%)
- Islam (3.7%)
- Buddhism (0.2%)
- Hinduism (0.1%)
- Other religions (0.3%)
Irreligion in Italy includes all citizens of Italy that are atheist, agnostic, or otherwise irreligious. Approximately 12% of Italians are irreligious, and no affiliation is the second most common religious demographic in Italy after Christianity. Freedom of religion in Italy was guaranteed by the Constitution of Italy following its enactment in 1948. Until then, the Catholic Church was the official state church of Italy. The latest data in 2020 conducted a large study financed by the Italian Catholic Bishops Conference, it concluded that 30% of the population was atheist, being around 18 million people. Moreover, in 2023, regular Church and mass attendance had dropped to 18.8%, which represented 11.28 million Italians, while other research in 2024 showed only 15.8% are regular church goers.