Apr 18, 2026
It started as a small realization that quickly turned into a bigger concern.
Consider this scenario: after sitting down to review their finances one afternoon, Tom, 79, notices something that doesn't quite add up. His wife Karen, 78, is receiving about $1,050 a month in Social Security based on her own work history. Tom, who earned significantly more over his career, brings in roughly $2,800 per month.
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The math seems straightforward. If spousal benefits can be worth up to half of his benefit, Karen might be entitled to closer to $1,400 each month.
That leaves them wondering whether they made a costly mistake, and whether anything can be done about it now.
A common (and costly) misunderstanding
Tom and Karen's situation is far from unusual. Like many couples, they approached retirement with a focus on getting income flowing as soon as possible, rather than optimizing every detail of their Social Security strategy. Karen claimed benefits at 62 after stepping away from a career made up largely of part-time and lower-paying roles, while Tom continued working for several more years before claiming at 65.
At the time, the decision felt practical. They had about $650,000 saved across retirement accounts and wanted to preserve those savings while supplementing their income with Social Security. What they didn't fully understand was how their choices would interact as a couple, particularly when it came to spousal benefits.
Now, years later, the difference is hard to ignore. If Karen were eligible for a higher benefit based on Tom's earnings record, their household income could increase by a few hundred dollars each month. That may not sound dramatic, but in retirement, every little bit helps against rising costs, especially for health care.
The problem is that Social Security decisions are rarely as simple as they seem.
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How spousal benefits actually work
Spousal benefits are designed to provide additional income to a lower-earning spouse, but the rules surrounding them can be complex. In general, a spouse may be eligible to receive up to 50% of the higher earner's full retirement benefit, but that maximum is only available under specific conditions (1).
One of the most important requirements is that the higher-earning spouse must already be receiving Social Security (2).
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Social Security does not automatically search for and implement the most optimal claiming strategy for you. However, when you file and are eligible for both your own and spousal benefits, current rules generally treat you as filing for all benefits you're entitled to, and the administration automatically adds any excess spousal benefit on top of your own, rather than requiring a completely separate spousal application (3). That didn't happen for Karen because she was not eligible for spousal benefits when she first applied — Tom wasn't claiming Social Security yet.
Timing also plays a critical role. Because Karen claimed benefits at 62 — well before her full retirement age — her monthly payment was permanently reduced. That reduction doesn't just apply to her own benefit. Because her personal benefit is permanently smaller, the combined amount she eventually receives as a spouse is likely less than half of her husband's full benefit. So Karen is not missing out on the full $350 — the difference between her benefit and half of her husband's — because she retired a bit early.
Whether spousal benefits are the better option depends on several factors, including each spouse's earnings history, their claiming age, and their overall financial situation. For couples with a significant income gap, spousal benefits can provide a meaningful boost. But claiming too early can limit that advantage.
Can you fix this after the fact?
The good news for couples like Tom and Karen is that their situation may not be set in stone. Even after claiming their own benefit, a spouse can apply for spousal benefits later if it would result in a higher monthly payment. Social Security will generally pay whichever amount is greater, meaning Karen may still be eligible for an increase if her spousal benefit exceeds what she currently receives.
But there are limits. Because Karen claimed early, she will not receive the full 50% of Tom's benefit. The reduction associated with early claiming is permanent (4), so any adjustment would likely come in the form of a partial increase rather than a full jump to that maximum level. In practical terms, that means she could receive a "top-up" that raises her benefit, but not all the way to the theoretical ceiling (5).
Another key point is that Social Security won't automatically reach out to add a spousal benefit later; if Karen never followed up after Tom began receiving his benefit, she may have been leaving money on the table. To address that, the next step would be to contact the Social Security Administration, review both records, and formally apply for spousal benefits if she qualifies (6).
Article Sources
We rely only on vetted sources and credible third-party reporting. For details, see our ethics and guidelines.
National Council on Aging (1); NYSUT Member Benefits (2); U.S. Social Security Administration (3),(6); AARP (4); Sound Retirement Planning (5)
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Chris Clark is a Kansas City–based freelance contributor for Moneywise, where he writes about the real financial choices facing everyday Americans—from saving for retirement to navigating housing and debt.
