Internet titans AirBnB, Uber, Facebook and Google are set to be hit with new taxes as part of a long-awaited Australian-led crackdown on digital companies.

The federal government's digital tax discussion paper, first announced in the May budget but kept under wraps for months, has opened the door to taxing digital assets, used by multinationals to make billions of dollars in profit.

The Coalition, Labor, One Nation, The Greens and key independents are all calling for reform, as concerns mount around the world that digital multinationals are taking taxpayers for a ride.

Prime Minister Scott Morrison and Treasurer Josh Frydenberg. Credit:Dominic Lorrimer

Figures released by the Bureau of Statistics on Tuesday show engagement with the digital economy is soaring. Mobile downloads grew by 41 per cent between 2017-18 and broadband downloads increased by 3.8 billion gigabytes.