ELI5 summary
Two returns, two sets of brackets
Quebec residents file a federal T1 with the CRA and a TP-1 with Revenu Québec. The 2026 federal brackets are the same as everywhere: 14% to $58,523, 20.5% to $117,045, 26% to $181,440, 29% to $258,482 and 33% above. The 2026 Quebec brackets are:
| Taxable income | Quebec rate |
|---|---|
| Up to $54,345 | 14% |
| $54,345 to $108,680 | 19% |
| $108,680 to $132,245 | 24% |
| Above $132,245 | 25.75% |
Quebec’s basic personal amount is $18,952 for 2026, converted to a credit at 14%. The federal basic personal amount is $16,452 for most incomes.
The abatement
Because Quebec funds programs that the federal government funds elsewhere, the federal government refunds Quebec residents 16.5% of their basic federal tax. Basic federal tax is federal tax after non-refundable credits, so the abatement applies to the net figure. On a return with $10,000 of basic federal tax, the abatement is $1,650.
The abatement also applies to the federal side of every deduction. An RRSP deduction in the 20.5% federal bracket is worth 20.5% × (1 − 0.165) = 17.12% federally for a Quebec resident, compared with the full 20.5% elsewhere. Quebec’s provincial brackets are high enough that the combined result still exceeds most other provinces.
Worked example
$70,000 taxable income, $5,000 RRSP deduction. In Ontario the saving is $1,483 (29.65%). In Quebec the federal saving is $5,000 × 17.12% = $856 and the Quebec saving is $5,000 × 19% = $950, for a total of $1,806 (36.12%). Estimated tax falls from $14,812 to $13,006.
$80,000 gross salary, $8,000 deduction, employment mode. The calculator deducts $927 of enhanced QPP, credits base QPP ($3,768), EI at the Quebec rate ($896), QPIP ($344) and the Canada employment amount, and finds a saving of $2,889 for the Quebec employee against $2,522 for an Ontario employee on the same salary.
Show the math
Quebec federal tax = (federal bracket tax − credits at 14%) × (1 − 0.165). Quebec provincial tax = Quebec bracket tax − 14% × (basic personal amount + other credit amounts). Savings from a deduction D = tax(income) − tax(income − D) computed on both sides. Payroll for Quebec employees uses QPP (5.3% base + 1% first additional + 4% second additional on earnings between $74,600 and $85,000), EI at 1.30% to $68,900, and QPIP at 0.43% to $103,000. Quebec employees also receive the deduction for workers (TP-1 line 201): 6% of work income to a maximum of $1,420, deducted from Quebec taxable income only.
RRSP rules that are identical
The RRSP deduction limit (18% of prior-year earned income to $33,810 for 2026), the 60-day deadline, the age-71 conversion and the Home Buyers’ Plan are federal rules that apply to Quebec residents unchanged. The deduction is claimed on both returns.
Withdrawals differ in mechanics: outside Quebec, financial institutions withhold 10%, 20% or 30% for the CRA. In Quebec they withhold a lower federal rate plus a separate Quebec amount, and both are simply prepayments toward the final tax on the two returns.
TFSA and FHSA: no differences
The TFSA and FHSA are registered under federal law and administered by the CRA for everyone, Quebec included. The $7,000 TFSA limit, the $109,000 lifetime maximum, the $8,000 and $40,000 FHSA limits, the carryforward cap, the four-year first-time buyer test and the 1% monthly excess tax are all the same. The FHSA deduction, like the RRSP deduction, is claimed on both the federal and Quebec returns, so its value follows the same abatement arithmetic as the RRSP examples above.
Moving in or out of Quebec
Province of residence is decided on December 31. Someone who moves from Ontario to Quebec in August files as a Quebec resident for the whole year and gets the abatement on the whole year’s federal tax; someone moving the other way loses it for the whole year. Timing a move around the year-end can change the tax on a large RRSP deduction or withdrawal by several thousand dollars.
Department of Finance: Quebec abatementKey takeaways
- Quebec residents file two returns; the 16.5% abatement lowers federal tax and the federal value of every deduction.
- Quebec’s own brackets (14% to 25.75%) make RRSP deductions worth more than in Ontario at the same income.
- RRSP, TFSA and FHSA limits and rules are federal and unchanged in Quebec.
- Residence on December 31 decides which system applies for the entire year.