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 South, Ontario
According to the 2011 census, the Township of Perth South had a population of 3,993 people, a 3.4% decrease from the 2006 population of 4,132. Another slight reduction occurred in the subsequent years; the population in 2016 was 3,810.