Australia must fundamentally recast its federation - in particular, taxation responsibilities - to manage the burgeoning 35 million population expected by 2050.

Only by giving states and territories more power to raise revenue to service the future mega-cities of Sydney and Melbourne, whose populations are anticipated to hit seven million by mid-century, can the nation maintain its high standard of living, warns population expert Glenn Withers.

http://www.theaustralian.com.a...frg6n6-1225814011012