Key takeaways:
- A spousal IRA lets a married couple filing jointly fund an IRA for a non-working spouse using the working spouse’s earned income — up to $7,500 each in 2026, or $8,600 if age 50 or older.
- Couples earning over $252,000 cannot contribute to a Roth IRA directly, but the Backdoor Roth IRA — a nondeductible traditional IRA contribution followed by a Roth conversion — has no income limit.
- The IRS pro-rata rule applies per spouse, so a stay-at-home spouse with no existing pretax IRAs often has the cleanest Backdoor Roth conversion.
Short answer: If you earn too much to contribute to a Roth IRA directly, you and your spouse can each make a nondeductible traditional IRA contribution and convert it to a Roth. This is called a Backdoor Roth IRA. When combined with the spousal IRA rule, a married couple filing jointly can move up to $15,000 into Roth accounts in 2026 — even if only one spouse works and the household earns $400,000 or more.
What Is a Spousal IRA?
A spousal IRA is not a separate type of account. It’s a contribution rule under Section 219(c) of the Internal Revenue Code that lets a married couple filing jointly fund an IRA for a spouse with little or no earned income.
Normally, IRA contributions require earned income — wages, salary, or self-employment income. Investment income, rental income, Social Security, and pensions do not count. The spousal IRA rule lets the working spouse’s earned income satisfy the contribution requirement for the non-working spouse.
Each spouse still owns a separate IRA. You cannot share one account.
2026 IRA Contribution Limits
- Under age 50: $7,500 per spouse
- Age 50 or older: $8,600 per spouse (includes catch-up contribution)
- Contribution deadline for 2026: April 15, 2027
The Problem: Roth IRA Income Limits
Roth IRA contributions phase out at higher incomes. For 2026:
- Married filing jointly: Contributions phase out between $242,000 and $252,000 of modified AGI. Above $252,000, you cannot contribute directly to a Roth IRA.
- Single or head of household: Phaseout between $153,000 and $168,000.
If your household earns $400,000 jointly, you are well over the limit. Direct Roth contributions are not allowed for either spouse.
The Solution: The Backdoor Roth IRA
The Backdoor Roth IRA is a two-step process that bypasses the income limit:
- Contribute to a traditional IRA. Make a nondeductible contribution of up to $7,500 (or $8,600 if 50+). There is no income limit on traditional IRA contributions.
- Convert to a Roth IRA. Roth conversions have no income limit. You can convert the traditional IRA balance to a Roth IRA shortly after the contribution.
Report both steps on IRS Form 8606 to track your basis and avoid double taxation.
Example: A Couple Earning $400,000
Imagine a married couple filing jointly. One spouse earns $400,000. The other does not work.
- Step 1: The working spouse’s income qualifies both spouses to contribute under the spousal IRA rule.
- Step 2: Each spouse contributes $7,500 to a traditional IRA (nondeductible).
- Step 3: Each spouse converts the $7,500 to a Roth IRA.
- Result: $15,000 moves into Roth accounts for 2026, despite being over the Roth income limit.
The Pro-Rata Rule: The Most Important Catch
The Backdoor Roth works cleanly only if the converting spouse has no other pretax IRA balances. The IRS pro-rata rule treats all of one spouse’s traditional, SEP, and SIMPLE IRAs as a single pool. If pretax money exists in any of them, part of the conversion becomes taxable.
Key point: The pro-rata rule is applied per spouse, not per couple. One spouse’s old rollover IRA does not affect the other spouse’s Backdoor Roth.
This is why a stay-at-home spouse with no prior IRAs often has the cleanest Backdoor Roth — there are no pretax balances to trigger pro-rata tax.
Benefits of a Spousal Backdoor Roth
- Doubles annual Roth funding capacity for a single-income household
- Builds retirement savings in the non-working spouse’s name
- Tax-free growth and qualified distributions in retirement
- Each spouse owns a separate account for beneficiary planning
Frequently Asked Questions
Can a non-working spouse contribute to an IRA? Yes, if filing jointly with a working spouse whose earned income covers the contribution.
Is there an income limit on the Backdoor Roth? No. Traditional IRA contributions and Roth conversions have no income limits.
Does the Backdoor Roth work if I have an old 401(k) rollover IRA? The pro-rata rule will make part of your conversion taxable. Some people roll the pretax balance back into a current employer 401(k) first to clear the IRA.
Can both spouses do a Backdoor Roth in the same year? Yes. Each spouse’s contribution and conversion is calculated separately.
When is the deadline? Contributions for 2026 must be made by April 15, 2027. Conversions are tracked by calendar year.
The Bottom Line
A spousal Backdoor Roth IRA lets high-income couples sidestep the Roth income limit and build $15,000 or more per year in tax-free retirement savings. The strategy is most effective when the converting spouse has no existing pretax IRA balances. Because the pro-rata rule can create unexpected tax bills, work with a financial advisor or CPA before executing a Backdoor Roth.
