Your Retirement Savings Number

Most retirement calculators in Canada hand you a replacement ratio — “you'll need 70% of your final pay” — and a scary number to match. This free, Canadian-specific retirement calculator works the other way: it starts from the disposable income that actually funds your life, then back-solves the savings that deliver the same spending power every year of retirement.

1. Name the disposable income you want in retirement — or derive it from your final pay by stripping out everything that won't follow you there: estimated income tax, CPP and EI premiums, the mortgage, the kids, and the saving itself.
2. Gross that target up through a retirement-specific tax estimate: federal and provincial brackets, the age amount, the pension income credit, and the OAS clawback.
3. Subtract guaranteed income — CPP, OAS, and any DB pension. Whatever's left has to come from your savings.
4. Capitalize that gap into a lump sum using a real (inflation- adjusted) return, with the plan running to age 95 per financial planning best practice. That lump sum is your number.

Why your number lands lower than you'd expect

Big costs disappear at retirement: the paid-off mortgage, the launched kids, CPP and EI premiums, and the saving you no longer need to do. Meanwhile new tax breaks appear — the age amount at 65, the pension income credit, income splitting for couples, and lower brackets than your peak-earning years. Someone who carried a mortgage, raised kids, and saved hard was often living on 40–50% of gross pay all along. That's the lifestyle the savings have to fund — not the salary.

The inflation-protected base: CPP, OAS, and GIS

A big part of a Canadian retirement is funded by income you never had to save for. CPP and OAS are both indexed to the Consumer Price Index — CPP once a year, OAS reviewed quarterly — so their purchasing power holds as prices climb. Both are paid for life and neither runs out. In effect, the government already hands you an inflation-protected annuity; your savings only have to cover the gap above it.

That's why this calculator subtracts guaranteed income first and capitalizes only what's left, and why every figure is in real (after-inflation) dollars: the base is already inflation-proof, so the savings pot only has to fund the real shortfall. The larger your CPP, OAS, and any DB pension, the smaller the pile you need — someone retiring with full CPP and OAS can need far less saved than the rules of thumb imply, because a wide slice of their monthly spending already arrives as an indexed cheque.

For lower-income retirees the Guaranteed Income Supplement widens that base further — a non-taxable, also-indexed top-up to OAS. But GIS is income-tested and claws back as other income rises, so it fades once you draw meaningfully from an RRSP or RRIF. That's why this tool models CPP, OAS, and DB pensions but not GIS: for anyone with a savings target to hit, the withdrawals usually leave little GIS standing.

Assumptions

• Every dollar is in today's dollars. Use a real (after-inflation) return like the Bank of Canada real-return bond yield, not a nominal market expectation.
• Savings are treated as tax-deferred (RRSP-style): deducted from working-year income, fully taxable on withdrawal.
• Couples assume perfect pension income splitting — a best-case tax outcome. CPP, OAS, and DB pensions are treated as level real annuities from the day you retire.
• The plan runs to age 95, per financial planning best practice, with the savings pot fully drawn down by then.

Limitations of this calculator

• Taxes are estimates from a single snapshot at your retirement age, repeated for every year of retirement. Real retirements evolve year by year — credits that start at 65, RRIF minimums at 71, income that shifts as benefits begin.
• No bridge-period modelling. If you retire at 58 but CPP and OAS start at 65, those gap years lean entirely on savings — pair this with the CPP & OAS Timing calculator.
• No GIS, AMT, or niche provincial credits like Quebec's tax shield.
• If much of your saving is TFSA rather than RRSP, your true number is lower than the one shown.
• Returns are a single steady real rate — no market crashes, no sequence-of-returns risk.
• This is a planning estimate, not advice. For a high-stakes decision, build your real plan in our app, where year-by-year taxes, RRIF minimums, and bridge periods are modelled explicitly.