The government is on track to rein in the growth of the runaway National Disability Insurance Scheme to 8 per cent a year earlier than expected, but the cost of the scheme will continue to rise as a proportion of GDP, and could still outstrip the age pension within a decade.

The latest Annual Financial Sustainability Report, produced by the NDIS actuary, says that a range of reforms implemented by the Albanese government will see the current growth rate of 12 per cent fall to 8 per cent next financial year, earlier than the July 1, 2026, target date set by national cabinet late last year.