Is there a case for revisiting the idea of new cities for Australia in the light of recent population projections and resurgent debate about the implications of a big Australia? By big we’re talking in the order of another 12 million people by mid-century. That’s said to be equivalent to adding a Canberra every year for the next 30 years. But, on business-as-usual projections, three-quarters of that growth will be accommodated in our four biggest cities: Sydney, Melbourne, Brisbane and Perth. According to the Australian Bureau of Statistics, this could mean a Sydney of almost 9 million people and Melbourne of almost 10 million by just after 2050.
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