In the , Christianity was the primary religious affiliation in New South Wales (NSW), comprising 47.6% of the population, mostly Roman Catholicism (22.4%) and Anglicanism (11.9%). This percentage has declined over time, while the number of people identifying with no religious affiliation has risen. In 2016, the Christian affiliation rate was 55.2%, and in 1971 it was 88.4%. About 33.2% of people in NSW reported having no religious affiliation in 2021.
In the , Christianity was the primary religious affiliation in New South Wales (NSW), comprising 47.6% of the population, mostly Roman Catholicism (22.4%) and Anglicanism (11.9%). This percentage has declined over time, while the number o,f people identifying with no religious affiliation has risen. In 2016, the Christian affiliation rate was 55.2%, and in 1971 it was 88.4%. About !33.2% of people in NSW reported having no religious affiliation in 2021.