MONEYNERDX

Issue 81 · Tax

TFSA vs RRSP: The decision tree nobody teaches

Your marginal tax rate today vs retirement — that's the whole game. Here's the flowchart.

Most Canadians are putting money in the wrong bucket. If your marginal rate is under 30% (think: entry-level, parental leave, grad school), the TFSA almost always wins. Above 40%? RRSP, every time, and reinvest the refund. The FHSA sits between them for first-time buyers with 15-year horizons. Here's the full decision tree with real numbers — including why "max both" is a lazy answer that costs you tens of thousands over 30 years.

Ready to go deeper?

The TFSA Thesis Course — Parts 1–6 now live.

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