How much is the Disability Tax Credit?
There is no single cheque amount. The DTC is a non refundable credit: a federal amount, indexed to inflation each year, multiplied by the federal credit rate, plus a provincial or territorial amount on top. Its value to you depends on how much tax you owe, and unused amounts can usually transfer to a spouse or supporting family member.
It is the first question almost everyone asks, and the one with the least satisfying short answer. How much is the Disability Tax Credit worth? Anyone who gives you one flat dollar figure is skipping the parts that decide your number. Here is how the value is actually built, why it differs between two neighbours with the same approval, and why the credit amount itself is only half the reason approval matters.
A credit, not a payment: what non refundable means
The DTC reduces income tax owing. It does not arrive as a stand alone payment, and it cannot reduce your tax below zero. That is what non refundable means in practice. A person with strong earnings and a full tax bill uses the whole credit. A person with little income may use only part of it in a given year, because there is less tax to reduce.
This surprises families who expected a cheque, and it is the first reason the honest answer to “how much” is “it depends”. It is also why the transfer rules, covered below, matter so much. An unused credit is rarely a wasted credit inside a family.
How the number is built
The calculation has layers. There is a federal disability amount, which the government indexes to inflation, so it edges up over time. That amount is multiplied by the federal credit rate to produce the federal tax reduction. Then your province or territory adds its own disability amount and rate, which is why the same approval is worth more in one province than another. Children can also attract a supplement amount in recognition of the extra costs families carry.
I am deliberately not printing a single headline figure here, because the indexed amounts change, the provincial layer differs, and your tax owing caps what you can use. What I can promise is the shape: meaningful money every year you have tax to reduce, repeated across every year of approval, including approved past years up to 10 years back. Families are often most surprised by that retroactive piece, where several adjusted years land at once.
When the person cannot use it: transfers
If the person with the disability does not have enough tax owing to use the credit, the unused amount can generally be transferred to a supporting person: a spouse or common law partner, a parent, or another supporting family member who qualifies. For children, this is the normal pattern. The child owes no tax, the parent claims the transferred amount, and the family still receives the value.
I devoted a full guide to the spousal side of this, transferring the DTC to a spouse, and another comparing the credit with its close cousin, the Canada caregiver credit, which families often confuse with it. The transfer rules are where kitchen table planning earns its keep, because claiming the credit on the wrong return can leave real money unused.
Why the amount is only half the story
Here is the part I most want families to hear. Even in a year when the credit itself is worth a modest amount to you, the approval behind it is doing heavier work. DTC approval is the required gate for the RDSP, where grants and bonds can reach $90,000 over a lifetime, and for the Canada Disability Benefit for working age adults. Measured across a lifetime, the doors the approval opens are usually worth far more than the credit line on any single tax return.
So yes, ask how much the credit is worth, and use the free DTC eligibility checker if you are still deciding whether to apply. But ask the second question too: what does approval unlock for the next thirty years? That is where the DTC quietly becomes one of the most valuable approvals in Canadian family finance.
Common questions
Is the Disability Tax Credit a monthly payment?
No. It is a non refundable tax credit that reduces income tax owing when you file. It is separate from monthly benefits like the Canada Disability Benefit and the child disability benefit, which have their own payments.
Why do you not quote one exact dollar figure?
Because the federal amount is indexed yearly, provinces add different amounts, and the credit can only reduce tax you actually owe. A single figure would be wrong for most readers. Your value depends on your province, your income, and your years of approval.
Can a parent claim a child’s Disability Tax Credit?
Generally yes. A child’s unused credit can transfer to a supporting parent or caregiver, and children can also attract a supplement amount. This transfer is how most families with young children receive the credit’s value.
Can the DTC create a refund for past years?
Approval can be applied to past tax years, generally up to 10 years back, and the CRA can adjust those returns. If tax was paid in those years, the adjustments can produce refunds for the family.
This guide sits inside the Disability Tax Credit pillar guide, where the credit and everything it unlocks come together.
Sources: Disability Tax Credit, Canada Revenue Agency.
See where you stand: the free DTC eligibility checker takes about a minute and shows whether you, or someone you care for, may qualify for the Disability Tax Credit. No signup, and no pressure.
A quick note: this post is educational, not financial advice. For guidance on your own situation, book a free conversation. You don't have to figure this out alone. I'm here to help you through every step.