The Sydney Morning Herald | Australia's population projected to hit 42 million by 2066 as Melbourne overtakes Sydney The Sydney Morning Herald Australia's population is projected to hit 42 million by the year 2066, and is likely to reach 30 million around the end of the next decade, according to the latest official estimates. Melbourne is expected to overtake Sydney as Australia's biggest ... Australia's population eyes 50 million by 2066 Overseas migration driving Australia's 2066 population boom, ABS Australian Bureau of Statistics update official population forecasts |