Single-Income Couples: How to Retire When One Paycheck Has to Do Everything

About 40% of married couples with children are living on a single income right now, according to a recent Morningstar video featuring Christine Benz. That's a near-record low, and it's not because one partner is off living their best life. It's because rising housing costs, student debt, and the general chaos of modern existence have made two-income households feel like a luxury for many families.

So what do you do when one paycheck has to fund two retirements? Benz's answer is refreshingly practical: start by at least capturing the full employer 401(k) match. Free money is free money, and leaving it on the table is the financial equivalent of throwing a $20 bill out your car window on the highway. From there, single-income households should look at a spousal IRA for the non-earning partner. Yes, a non-working spouse can still contribute to an IRA as long as the household has enough earned income. Most people don't know this. Now you do.

The part that really stings is the emergency fund recommendation. Benz suggests single-income households hold a full year of anticipated spending in liquid reserves. Not three months. Not six. Twelve. The logic is airtight: if the one breadwinner loses their job, there's no backup income stream to break the fall. Recommended vehicles include money market funds and CDs held in taxable accounts, so the cash is actually accessible when you need it, not locked behind retirement account walls and early withdrawal penalties.

Here's the uncomfortable truth this video surfaces: the single-income household isn't just a lifestyle choice anymore. It's increasingly a financial constraint dressed up as one. And the gap between what these households need to save and what the system is designed to help them save is genuinely wide. Spousal IRAs are underused, 401(k) matches are left on the table, and emergency funds are wildly undersized relative to actual risk exposure.

If you're in a single-income household, the Morningstar playbook is simple but not easy: fund the match first, fund the spousal IRA second, and build a cash cushion that would make your anxiety actually shut up for once. The market will do what the market does. Your emergency fund is the one asset class that never disappoints.