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.
Conurbation
The Perth Metropolitan Region, City of Mandurah and Pinjarra comprise a continuous urban area in Western Australia more than 130 km (80 miles) long, on a north-south axiswhich is sometimes known as "Greater Perth"and has a population of more than 2.05 million (2015). Introduction of the Mandurah railway line in 2007 made it possible for commuters to travel the 70 km (43.5 mi) from Mandurah station to Perth station in 48 minutes.