Fall in Love With These Income Splitting

Crystal Mirkazemi | WBN News – Vancouver | August 11, 2026

Canada’s progressive tax system means that, as income increases, so does the marginal rate of tax applied to each additional dollar earned. For married and common-law couples whose incomes differ considerably, this can create an important planning opportunity: rather than viewing retirement savings as two completely separate financial pictures, couples can structure their assets and future income sources with the objective of creating greater balance between them and, where permitted under Canadian tax rules, reducing the household’s overall tax burden.

This is where income-splitting strategies can become particularly valuable. The objective is not simply to move income from one person to another, since Canada’s attribution rules place important restrictions on doing so, but rather to intentionally build retirement assets and eligible income streams so that less of the household’s future income becomes concentrated in the hands of the higher-taxed spouse.

Spousal RRSPs: Planning for Tomorrow’s Tax Brackets

A Spousal RRSP is one of the most established strategies available to couples where one spouse earns significantly more than the other.

The higher-income spouse contributes to a Spousal RRSP registered in the lower-income spouse’s name, using the contributor’s own available RRSP contribution room. The contributing spouse generally receives the tax deduction today, which can be particularly valuable while they are earning income in a higher marginal tax bracket, while the account itself belongs to the spouse or common-law partner for whom the Spousal RRSP was established.

The longer-term advantage becomes apparent in retirement. Instead of accumulating the majority of the couple’s registered retirement assets under the higher earner’s name, the Spousal RRSP can help build retirement capital for the lower-income spouse, potentially allowing future withdrawals to be taxed in that spouse’s hands.

In other words, the strategy can allow a couple to obtain a deduction when the contributing spouse is subject to a relatively high tax rate while creating the possibility of withdrawing those assets later through a spouse who may be subject to a lower rate.

However, timing matters.

If withdrawals are made from a Spousal RRSP in the same calendar year in which the contributing spouse made a contribution, or within the following two calendar years, special attribution rules may cause some or all of the withdrawal to be included in the contributing spouse’s taxable income rather than the account holder’s. For this reason, a Spousal RRSP should generally be approached as a long-term retirement and tax-planning strategy rather than simply as a short-term method of transferring income between spouses.

Pension Income Splitting

Retirement itself creates additional opportunities.

Under current Canadian tax rules, couples may elect to allocate up to 50% of certain eligible pension income from one spouse to the other for tax purposes. This does not necessarily mean that the money itself has to physically change hands; rather, the election can change how eligible pension income is reported between the spouses on their tax returns.

This can become particularly useful when one spouse has accumulated substantially more pension or registered retirement income than the other. By allocating eligible pension income between two taxpayers rather than concentrating it under one person, a couple may be able to reduce the amount exposed to higher marginal tax brackets and, depending on their circumstances, improve the overall tax efficiency of their retirement income.

The definition of eligible pension income also changes with age. Before age 65, the types of income that qualify are more limited and generally include certain lifetime pension payments from registered pension plans. Beginning at age 65, additional sources of retirement income, including qualifying RRIF income, can become eligible for pension income splitting.

This is one reason retirement tax planning should begin well before retirement itself: the accounts in which a couple accumulates wealth today can influence the flexibility they have when deciding where their income should come from decades later.

Canada Pension Plan retirement benefits can also form part of the conversation.

Eligible spouses or common-law partners may apply to share a portion of their CPP retirement pensions based on the period during which they lived together. Where one spouse receives substantially more CPP income than the other, pension sharing may help create a more balanced distribution of taxable retirement income.

CPP sharing should not automatically be viewed as beneficial in every situation, however. Its value depends on each spouse’s income, CPP entitlement, tax bracket and broader retirement picture, which means the potential tax savings should be evaluated alongside the couple’s other sources of income rather than in isolation.

The TFSA: Tax-Free Income Can Be Just as Important as Income Splitting

Although a Tax-Free Savings Account is not technically an income-splitting vehicle, it can become one of the most powerful components of a couple’s retirement-income strategy.

A spouse or common-law partner can provide money to the other spouse to contribute to their own TFSA, provided that individual has available TFSA contribution room. Unlike many transfers between spouses for investment purposes, income and gains subsequently earned inside the recipient spouse’s TFSA are not generally attributed back to the spouse who provided the funds.

More importantly, qualified TFSA withdrawals are not included in taxable income.

That distinction becomes increasingly important in retirement because the objective is not necessarily to generate the highest possible taxable income; it is to determine how much after-tax cash flow a household can create from its accumulated assets.

A couple that has intentionally built both spouses’ TFSAs may therefore have considerably more flexibility when deciding whether a particular year’s spending should come from an RRSP or RRIF withdrawal, pension income, a non-registered investment account or tax-free TFSA assets.

Non-Registered Investments and the Importance of Ownership

Couples may have additional planning opportunities when building non-registered investment portfolios, although the source and ownership of the invested capital must be carefully considered because Canadian attribution rules can apply when investment funds are simply transferred between spouses.

One approach may be for the lower-income spouse to invest their own available income into a non-registered portfolio while the higher-income spouse assumes a greater share of eligible household and family expenses. Over time, this may allow more of the investment assets genuinely belonging to the lower-income spouse to generate investment income and capital gains that are taxable in their hands.

This distinction is important. Simply transferring investment capital from a high-income spouse to a lower-income spouse does not necessarily shift the resulting tax liability, and strategies involving loans, gifts or jointly funded investment accounts should be reviewed carefully before implementation.

Good tax planning is not about changing ownership on paper; it is about structuring savings correctly from the beginning.

Retirement Planning Is Ultimately About After-Tax Income

The impact of these strategies can become significant because marginal tax rates between spouses can differ by 10 or 20 percentage points—or sometimes more—depending on their province of residence and respective income levels.

Consider a household in which one spouse has accumulated most of the RRSP assets, pension income and taxable investments while the other spouse enters retirement with relatively little taxable income. Even if the couple has accumulated substantial wealth collectively, the concentration of taxable assets under one spouse may result in a less efficient retirement-income structure.

This is why the question should not simply be, “How much have we saved?”

A more meaningful question is:

“How should we structure what we save today so that we have greater control over how it is taxed tomorrow?”

Spousal RRSPs, pension income splitting, CPP pension sharing, TFSAs and properly structured non-registered investments are not necessarily competing strategies. Depending on a couple’s circumstances, they can complement one another as different components of the same financial plan.

For a higher-income household, the strategy during the accumulation years may involve taking advantage of deductions when tax rates are high, while simultaneously building tax-free and lower-taxed assets for both spouses. As retirement approaches, the focus can then shift toward coordinating withdrawals across RRSPs, RRIFs, pensions, CPP, TFSAs and non-registered investments so that the household can meet its cash-flow needs without unnecessarily concentrating taxable income in one person’s hands.

The goal, therefore, is not simply to accumulate the largest retirement account possible. It is to build a structure that gives you choices.

Because when two people are building their financial future together, the most effective retirement strategy may not be determining who earns more or who saves more—it may be determining where each dollar should be saved today, who should own it, and how it can eventually be withdrawn in the most tax-efficient way for the household as a whole.

Tax rules and individual circumstances vary, and income-splitting and attribution rules can be complex. Strategies involving Spousal RRSPs, pension income, CPP, TFSAs and non-registered investments should be reviewed with qualified tax and financial professionals before implementation.

Article #038

Crystal Mirkazemi | WBN News – Vancouver

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