Sydney, Australia's most expensive market, requires an aspiring home buyer to command a $295,000 salary - which would put them among the top 1.5 per cent of income earners.

And these maps comparing house prices in 2011 and 2016 in Sydney and Melbourne versus Brisbane and Perth, released by CoreLogic, make a valid point about this two-speed Australian housing market ...

From July 2022, the cap will be raised to $900K from $800K in Sydney and regional centres in NSW, $800K from $700K in Melbourne and Victorian regional centres, $750K from $600K in the rest of NSW ...

Two maps compare Sydney and Melbourne's mobility during week six of lockdown. The darker the shade, the lesser the movement. Picture: DSpark.

Data has shown a wide disparity in unemployment rates across parts of Sydney and Melbourne which is hidden in more broadscale unemployment figures. Read Today's Paper Tributes & Notices.

He said a train could run from Sydney to Melbourne in just under two hours. "And even if it had to make all eight stops, it could complete the trip within two hours and 45 minutes," Mr Cleary said.