 4% of the population, or 186,482 people, identified as Indigenous Australians (Aboriginal Australians and Torres Strait Islanders) in 2016.At the 2016 census, 81.2% of inhabitants spoke only English at home, with the next most common languages being Mandarin (1.5%), Vietnamese (0.6%), Cantonese (0.5%), Spanish (0.4%) and Italian (0.4%).At the 2016 census, the most commonly cited religious affiliations were 'No religion' (29.2%), Catholicism (21.7%) and Anglicanism (15.3%).