Despite an agreement with the States to pick up a bigger share of the tab, the National Disability Insurance Scheme will still be one of our fastest-growing expenses when the Treasurer hands down his budget next month.

Now, State Premiers are pushing back on federal efforts to make them pay a greater share of the funding. Bill Shorten, Minister for the NDIS and Government Services says the scheme is making "a positive difference in the lives  of many" and the proposed reforms - which build ecosytems outside of the NDIS - are the right direction.

Guest: Bill Shorten, NDIS and Government Services Minister