Interactive Tool

Retirement portfolio sensitivity calculator

How much do you actually need to retire? See how different growth rates and withdrawal rates change the size of the portfolio you need to build.

Last reviewed July 8, 2026
$
What you want to spend per year in retirement, before tax, in today's purchasing power.
$
Reduces the amount your portfolio needs to cover. Set to 0 if none expected.
7.0%
The matrix below shows your selection highlighted, with +/- 2% in each direction.
4.0%
The classic "4% rule" is a common starting point. Lower is more conservative.
2.5%
Bank of Canada targets 2%. Adjust higher if you expect above-average inflation.

1.Estimates only. This calculator provides rough projections based on the assumptions you enter. Actual investment returns vary, and past performance does not predict future results. This is not financial advice.

2.Taxes. All figures are shown before tax. Your actual after-tax income depends on the account type (RRSP, TFSA, non-registered) and your marginal tax rate in retirement.

3.Safe withdrawal rate. The "4% rule" originates from the Trinity Study and assumes a 30-year retirement with a balanced portfolio. Sequence-of-returns risk, asset allocation, and retirement length all affect sustainability.

4.Inflation. The portfolio target is shown in future (nominal) dollars. The "today's dollars" figures use the entered inflation rate to show equivalent purchasing power.

5.CPP/OAS. Enter today's dollar amounts. The calculator inflates them to retirement-year dollars automatically. Maximum CPP at 65 in 2026 is approximately $17,300/yr, and maximum OAS is approximately $8,800/yr.