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 metropolitan region
The Perth metropolitan region is grouped with the Peel region in some urban planning documents including the Western Australian Planning Commission's "Directions 2031 and Beyond" and the "Perth and Peel@3.5million" suite of documents. Together, the Perth and Peel regions stretch from Two Rocks in the north to Bouvard in the south and are currently home to more than two million people.