Religion in Belgium
- No religion (59.0%)
- Catholicism (31.0%)
- Protestantism (1.00%)
- Eastern Orthodoxy (1.00%)
- Other Christians (1.00%)
- Islam (6.00%)
- Other religions (1.00%)
- Catholicism (44.0%)
- Protestantism and other Christians (4.00%)
- Eastern Orthodoxy (1.00%)
- Nonbeliever (26.0%)
- Atheism (15.0%)
- Islam (2.00%)
- Buddhism (1.00%)
- Other religions (7.00%)
Most people in Belgium do not belong to a religion. Christianity is the largest religion, with the Catholic Church representing the largest community. Catholicism has experienced a significant decline since the 1950s when it was the nominal religion of over 80% of the population. Belgium's policy separates the state from the church, and freedom of religion is guaranteed by the country's constitution.
According to the European Social Survey in 2023, people who did not belong to a religion comprised 59% of the Belgian population. The share of Christians was 34%, with Catholicism being the largest denomination at 31% of the population. Protestants and other Christians comprised 2% and Orthodox Christians comprised 1%. Islam is the second largest religion with 6% of the population being Muslim.