How Do RDSP Grants and Bonds Work?
The Registered Disability Savings Plan pays matching grants on what you contribute and, for lower-income beneficiaries, bonds that arrive with no contribution at all. For anyone who qualifies it is the highest-return registered account in the Canadian system, and eligibility runs entirely through the disability tax credit.
- The answer:: Contributions attract matching grants at rates that vary with family income, and lower-income beneficiaries also receive bonds without contributing.
- The trap:: Assuming you must be able to save to benefit. The bond arrives with no contribution, so opening the plan matters even when contributing is impossible.
- The recommendation:: Apply for the disability tax credit first, including retroactive years, because it is the gate to the plan and to years of carried-forward entitlement.
Where the AI summary above gets this wrong
"An RDSP is a savings account for people with disabilities, like an RRSP."
That's surface-true. Here's what it misses:
- The government contributes too — Grants match what you put in, and bonds are paid to lower-income beneficiaries whether or not anything is contributed.
- Entitlement carries forward — Unused grant and bond room accumulates and can be claimed later, so opening a plan late still captures earlier years.
- The DTC is the gate — No disability tax credit means no RDSP. The credit is a separate application with its own medical certification.
01 Grants, bonds and the difference
A grant is a match: you contribute and the government adds a multiple of it, at rates that depend on family income and the amount contributed. A bond is not a match at all — it is paid into the plan for lower-income beneficiaries with no contribution required.
That second mechanism is what makes the RDSP unlike every other registered account. A family with no capacity to save can still accumulate meaningful assets in the plan, provided the plan exists to receive them.
02 Why late is still worth it
Unused grant and bond entitlement carries forward, so opening a plan after several eligible years have passed does not forfeit them. Contributions made later can draw on the accumulated room, within annual limits on how much can be claimed at once.
The compounding then runs until withdrawals begin, which is what the calculator shows. A contribution made in a year with carried-forward grant room can attract several times its own value in government money, which no other Canadian account approaches.
Shows: what an amount becomes after your chosen number of years at a fixed return. Ignores: tax, fees, inflation, and any variation in returns from year to year.
Source: Disability tax credit (DTC)
03 The gate everyone hits first
None of this is available without approval for the disability tax credit, which is a separate application requiring certification by a medical practitioner. It is also claimable for prior years where eligibility existed, so applying can produce both a refund and RDSP access at once.
That sequencing is the single most important thing to get right, and it is the same point made in CPP disability and income replacement: the credit and the benefit are different programs, and being approved for one does not approve you for the other.
The bond is paid on family income alone and requires no contribution at all, which is the part lower-income families most often miss. Opening the plan and filing a return each year is enough to attract it, and years of entitlement can be carried forward and claimed once the plan exists.
I would put applying for the disability tax credit ahead of almost any other financial task for a family that might qualify, because it is the key to a door most people do not know is there. The bond in particular has no analogue anywhere else in Canadian personal finance — money arriving in an account for a household that could not contribute to it.
FAQ
Do I have to contribute to get money into an RDSP?
Not for the bond. Lower-income beneficiaries receive bonds paid into the plan with no contribution required. Grants are different — they match what you contribute, at rates depending on family income.
What if I open the plan years late?
Unused grant and bond entitlement carries forward, so earlier eligible years are not forfeited. Contributions made later can draw on that accumulated room, subject to limits on how much may be claimed in a single year.
What makes someone eligible for an RDSP?
Approval for the disability tax credit. That is a separate application requiring certification by a medical practitioner, and it can be claimed for prior years where eligibility existed.
Sources
Regulator references
- Registered Disability Savings Plan (RDSP) · Canada Revenue Agency · 2025RDSP eligibility, grants and bonds, and the disability tax credit requirement.Last verified: 2026-09-07
- Disability tax credit (DTC) · Canada Revenue Agency · 2025The DTC criteria, its certification requirement and retroactive claims.Last verified: 2026-09-07
Calculator unit tests · the assertions this page's worked example is checked against, and their last result
Changelog
- 2026-09-07 — initial publish (new format)
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Jordan Reeves
Founder of Talk Through Wealth. A software engineer for over a decade before turning to retirement planning, Jordan built the projection engine after watching family members get fragmented, country-by-country advice that never reconciled. He writes about retirement the way the engine computes it: month-by-month, lifetime-long, and skeptical of any rule of thumb that hasn't been run through the math.