At the 2021 Census, 38.9% of the population identified as having "no religion", up from 15.5% in 2001. The largest religion is Christianity (43.9% of the population). The largest Christian denominations are the Roman Catholic Church (20% of the population) and the Anglican Church of Australia (9.8%). Multicultural immigration since the Second World War has led to the growth of non-Christian religions, the largest of which are Islam (3.2%), Hinduism (2.7%), Buddhism (2.4%), Sikhism (0.8%), and Judaism (0.4%).
At the 2021 Census, 38.9% of the population identified as having "no religion", up from 15.5% in 2001. The largest religion is Christianity (439% of the population). The largest Christian denominations are the Roman Catholic Church (20% of the population) and the Anglican Church of Australia (9.8%.). Multicultural immigration since the Second World War has led to the growth of non-Christian religions, the largest of which are Islam (3.2%), Hinduism (2.7%), Buddhism (2.4%), Sikhism (0.8%), and Judaism (0.4%).