The 2021 census showed that 31.7% of Brisbane's inhabitants were born overseas and 52.2% of inhabitants had at least one parent born overseas.[5] Brisbane has the 26th largest immigrant population among world metropolitan areas. Of inhabitants born outside of Australia, the five most prevalent countries of birth were New Zealand, England, India, Mainland China and the Philippines.[4] Brisbane has the largest New Zealand and Taiwanese-born populations of any city in Australia.[6]
At the 2021 census, 77.3% of inhabitants spoke only English at home,[5] with the next most common languages being Mandarin (2.5%), Vietnamese (1.1%), Punjabi (0.9%), Cantonese (0.9%) and Spanish (0.8%).[5]
The most popular non-Christian religions at the 2021 census were Hindu (2%), Buddhist (1.9%) and Muslim (1.8%).[8] Brisbane's religious landscape also includes small but significant communities of Judaism (1.0%) and Sikhism (0.9%).[9]
^In accordance with the Australian Bureau of Statistics source, England, Scotland, Mainland China and the Special Administrative Regions of Hong Kong and Macau are listed separately
^The Australian Bureau of Statistics has stated that most who nominate "Australian" as their ancestry are part of the Anglo-Celtic group.[7]
^Those who nominated their ancestry as "Australian Aboriginal". Does not include Torres Strait Islanders. This relates to nomination of ancestry and is distinct from persons who identify as Indigenous (Aboriginal or Torres Strait Islander) which is a separate question.
^Indigenous identification is separate to the ancestry question on the Australian Census and persons identifying as Aboriginal or Torres Strait Islander may identify any ancestry.
^Sources: Queensland Treasury (1826-1891), Australian Bureau of Statistics (1901 onwards). Capital cities based on Greater Capital City Statistical Areas (GCCSAs) for 1971 onwards. Populations for previous years are based on earlier boundaries and may be inconsistent with GCCSAs. Pre-1971 may not include the Indigenous population.