I want to be clear about what this post is and isn't.
It's not commentary on fraud in the scheme, waste in budget allocation, or how providers should be better regulated. Those are genuinely important conversations and ones I have strong views on. I'll address them separately in a future post.
This post is about the economic return side of the NDIS that almost never appears in the same breath as the cost figure. That gap in the analysis matters, because the budget conversation is only half-told without it.
When you look at what the NDIS generates in jobs, tax revenue, business creation, property investment, banking and payments activity, and freed-up workforce participation, the picture is significantly richer than the expenditure line alone suggests.
A Sector That Rivals Australia's Biggest Industries
At its current scale, the NDIS directly funds over 269,000 registered providers supporting nearly 740,000 participants. The sector employs roughly 325,000 people across more than 20 distinct occupations: disability support workers, occupational therapists, builders, plan managers, technology developers, recruitment firms and more.
That is a workforce larger than the entire Australian mining sector.
And the sector is still short of where it needs to be. The NDIS Review's workforce paper estimated an additional 128,000 workers are required to fully meet participant needs. That's not only a problem statement. It also represents 128,000 more jobs that need to be created, trained for, and filled by Australians.
The Multiplier Effect: Every Dollar Does More Than One Job
Research by Per Capita, in collaboration with National Disability Services, calculated the total economic benefit of the NDIS at over $50 billion per year. That figure includes close to $30 billion in direct spending plus an additional $20 billion-plus in economic activity generated across the broader economy.
The Australian Federation of Disability Organisations puts the economic multiplier at between 2.25 and 3 times every dollar spent. A $41 billion investment, on those figures, generates somewhere between $92 billion and $123 billion in total economic activity.
A few reasons why the NDIS multiplier sits where it does, and why it runs higher than comparable programs like Medicare:
The money stays in Australia. NDIS dollars flow almost entirely into Australian wages and domestic supply chains. Transport, housing modification, assistive technology, allied health, community participation. The supply chain is overwhelmingly local.
It activates previously invisible labour. Before the NDIS, a significant number of family members, predominantly women, were providing unpaid care with no economic footprint. The NDIS converts that into paid, taxable economic activity and simultaneously frees those carers to re-enter the workforce. That is a double economic entry that most government programs simply don't produce.
It's recurring, not episodic. A single NDIS plan generates dozens of transactions every week across multiple providers and industries. The economic flow is continuous rather than one-off.
What This Means for the Tax Base
With 325,000-plus sector workers earning wages, the NDIS generates an estimated $3 to $5 billion in PAYG income tax annually, flowing directly back to the federal government. Employer superannuation contributions at 11.5% across that workforce add roughly $2 to $3 billion per year into Australia's retirement savings base.
State governments collect substantial payroll tax from large providers across NSW, VIC, QLD and beyond. For-profit providers pay company income tax. SDA (Specialist Disability Accommodation) property investors generate stamp duty, land tax, capital gains tax and construction-phase GST. Plan management firms, support coordination businesses and allied health practices all employ people, pay income tax and contribute to super.
Most direct NDIS supports are GST-free by design, which is appropriate for participants. But the business-to-business ecosystem surrounding the sector covers software, compliance, recruitment, legal, accounting, fleet management and construction, all of which are fully taxable. Every dollar that flows through those channels generates a 10% GST return.
Conservatively, the sector returns $8 to $12 billion in direct taxes annually across federal and state jurisdictions from a $41 billion investment, before the multiplier effects are counted.
The Banking, Payments and Finance Layer
This one rarely gets airtime, and it should.
The NDIS is Australia's second largest payment processing system behind Medicare, completing between 300,000 and 500,000 payments every single day. That volume of financial transactions generates meaningful revenue across the banking, payments and fintech sectors through merchant fees, transaction processing fees, account management and float income.
The plan management industry sits on top of that. Plan managers handle financial transactions on behalf of participants, processing invoices, reconciling budgets and managing provider payments. This is an entire financial intermediary layer that didn't exist before the NDIS. These businesses bank with Australian institutions, use Australian payment rails and pay Australian company tax on their earnings.
Then there is the financing of SDA development. New specialist disability accommodation is increasingly funded through structured property finance, including construction loans, investment mortgages and institutional capital structures. Australian banks and non-bank lenders are actively building products for this market. The interest income, arrangement fees and ongoing loan management revenue flowing through those facilities is a growing and durable financial services revenue stream that exists entirely because the NDIS exists.
Add to this the private equity and institutional investment activity in the broader disability services sector, the insurance products providers carry, the trade finance used by assistive technology suppliers, and the business banking relationships that 269,000 registered providers collectively hold. The financial services contribution is material and almost entirely absent from the public conversation.
The Property Story
The NDIS has quietly created an entirely new asset class in Australian property: Specialist Disability Accommodation.
SDA dwellings have grown to over 10,700 enrolled nationally, up more than 2,100 from the prior year, with robust and high physical support categories seeing 60% and 45% growth respectively. This is a construction story, an investment story and a tax story in one.
New SDA builds generate GST on construction, payroll tax for building firms, income tax for tradespeople, stamp duty on transactions and ongoing land tax and council rates. The yield structure, backed by long-term government-funded tenancies, is attracting both institutional and retail capital into a market that simply didn't exist a decade ago.
Comparing Notes with Medicare
It's worth briefly contextualising the NDIS against Medicare, because the difference in their economic profiles is instructive.
Medicare involves $270 billion in total health spending, with the government contributing around $106 billion annually. It employs over 2.1 million Australians. Healthcare and Social Assistance is the single largest employing industry in the country at 16.2% of the workforce.
Medicare's economic multiplier sits lower though, at roughly 1.5 to 2.5 times versus the NDIS's 2.25 to 3 times. Medicare has higher import leakage through pharmaceuticals and medical devices. Its spending is more episodic — one consultation, one procedure — rather than the sustained and recurring multi-industry flow that NDIS plans generate continuously. And Medicare doesn't produce the carer workforce liberation effect at the same scale.
Neither program is better or worse for this comparison. They serve entirely different purposes. The point is that the NDIS's economic architecture is distinctive and it produces returns that are proportionally significant relative to its cost.
What This Adds to the Reform Conversation
The scheme does need to be sustainable, evidence-based and well-governed. The reform agenda addresses real issues, and getting better value from every dollar spent is the right goal.
What this economic lens adds is a fuller accounting. Research suggests every $1 billion of reduced NDIS investment leads to a loss of around 10,200 jobs and a 0.1% drop in the employment rate. The downstream revenue consequences of those job losses, across PAYG, superannuation, GST and banking activity, are part of the complete fiscal picture.
Reform modelled against the complete ledger produces better outcomes than reform modelled against one line item.
The Bottom Line
The NDIS budget conversation is important and it should stay rigorous. Sustainability, waste, fraud, allocation: all of it deserves serious attention, and I'll write about some of those dimensions separately.
But the economic return the scheme generates in tax revenue, employment, business activity, property development and financial services is part of the same conversation. A $41 billion investment that generates $92 to $123 billion in economic activity, returns $8 to $12 billion in direct tax annually, and processes half a million financial transactions a day is not simply a line item on the expenditure side of a national budget.
There is also a structural characteristic of the NDIS worth naming plainly, because it sets it apart from most industries of comparable size including government-funded ones.
The NDIS does not export. It does not offshore its labour. It does not import its core product. There are no manufacturing operations in cheaper markets, no service delivery centres in lower-cost jurisdictions, no supply chains that terminate overseas. Consider the industries that share a similar scale of government investment or economic footprint: defence procurement, pharmaceuticals through the PBS, infrastructure construction, even parts of the aged care sector. In each of those you will find meaningful proportions of spend leaving the country through imported equipment, offshore manufacturing, or foreign-owned contractors repatriating profits.
The NDIS, by its very nature, cannot do any of that. The service is delivered by an Australian, to an Australian, in an Australian community, using Australian businesses. Every dollar that enters the system circulates domestically before it goes anywhere else.
For an economy that runs a persistent current account deficit and regularly watches significant public investment leak offshore, the NDIS represents something genuinely unusual: a large-scale government program with near-total domestic economic retention.
There is a great deal more to the story than the headline number.
Brent Gentles is Managing Director of Kevria, a registered NDIS provider based in NSW & QLD. Kevria delivers Positive Behaviour Support, Support Coordination, In-Home Support, Supported Independent Living, Enhancing Capabilities & other allied services.