Spousal RRSP for Income Splitting

A spousal RRSP lets a high-income earner contribute to a lower-income spouse's RRSP. The high-income person gets the tax deduction; the lower-income spouse owns and withdraws from the account. Withdrawals are taxed at the spouse's (lower) rate. Example: high earner (50% tax bracket) contributes $10,000 to spousal RRSP, deducts it (saves $5,000 tax). Spouse withdraws at 30% rate, pays only $3,000 tax. Tax savings: $2,000. Spousal RRSPs are most powerful when spouses have significant income differences (20%+ marginal rate gap).

Pension Income Splitting at 65

At age 65+, Canadians can split eligible pension income with their spouse. This is automatic on tax return—you elect how much to split. Example: receive $40,000 DB pension, split 50% ($20,000 each spouse) if both are 65+. If one spouse is under 65, splitting is limited. Pension income splitting can save $3,000–$10,000/year in taxes for couples with unequal pensions. Always use pension splitting if available—it's a free tax benefit.

TFSA Spousal Gifting (No Attribution)

Unlike RRSPs, TFSA gifts have no attribution rules. A high-income spouse can gift money to a lower-income spouse's TFSA. Growth in that TFSA is taxed to the lower-income spouse (or not taxed if inside TFSA). Example: gift $50,000 to spouse's TFSA, it grows to $75,000 in 5 years. All $25,000 growth is tax-free (TFSA) and attributed to spouse (taxed at 0% vs. 40%+ if earned by high earner). This is powerful income splitting with zero attribution risk.

Attribution Rules and When They Apply

Attribution rules apply to non-registered income gifts to spouse (income/capital gains revert to giver) and to children under 18 (investment income reverts to parent; capital gains vary). Spousal RRSP and TFSA avoid attribution through specific rules. To avoid attribution on non-registered gifts to spouse: lend at CRA prescribed rate (currently 2%) in writing, with formal repayment terms. Prescribed-rate loans are complex but powerful for income splitting with lower attribution risk.

Planning Income Splitting as Couples Age

Spousal RRSP contributions are most valuable in pre-retirement years (widest income gap). At retirement (65+), pension splitting becomes the main tool. TFSA gifting works at any age and is the most powerful income-splitting tool (no attribution, no limits, permanent). A comprehensive strategy: maximize spousal RRSP until 65, use pension splitting at 65+, and use TFSA gifting throughout. Coordinate with a tax advisor—these tools can save $50,000–$200,000+ over retirement.