Perth
Perth is Australia's fourth-most-populous city, having overtaken Adelaide's population in 1984. In June 2017 there were an estimated 2,022,044 residents in the Greater Perth area, representing a population increase of approximately 1.0% from the 2015 estimated population of 2,002,114.
Perth
More than 25% of the 2011 census respondents in Perth had no religion, as against 22% of the national population—an increase of 6.8% since 2001. In 1911, the national figure was 0.4%. Other countries such as New Zealand and the United Kingdom are reporting similar increases.