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A spousal benefit lets someone claim Social Security based on their husband or wife’s earnings record instead of (or in combination with) their own – but the rules are narrower than most people assume, and claiming it early costs more than people expect.

The 50% Ceiling

The maximum spousal benefit is 50% of the worker’s Primary Insurance Amount (PIA) – their benefit at full retirement age (FRA), not their higher age-70 amount. Claiming a spousal benefit early permanently reduces it below that 50% ceiling; waiting past FRA does not increase it further, since spousal benefits don’t earn delayed retirement credits the way a worker’s own benefit does.

The Deemed Filing Rule: You Get the Higher One, Not Both

Social Security pays whichever is higher – your own retirement benefit or the spousal benefit – not both stacked together. If your own PIA is $1,400/month and the spousal benefit works out to $1,800/month, you receive $1,800 total, not $3,200. This is called deemed filing, and it applies to nearly everyone born after January 1, 1954.

Early Claiming Math

Claiming a spousal benefit before your own FRA reduces it by 25/36 of 1% per month for the first 36 months early, then 5/12 of 1% per month beyond that. Claimed at exactly 3 years before FRA, that works out to a 25% reduction from the full 50% spousal amount – meaning a spousal benefit that would have been $1,800/month at FRA drops to roughly $1,350/month.

The Working Spouse Has to Claim First

You generally can’t collect a spousal benefit until the higher earner has actually filed for their own retirement benefit. This is the reverse of the old “file and suspend” strategy that let one spouse trigger the other’s spousal benefit without drawing their own – Congress closed that loophole in 2015, and it no longer exists for anyone reaching FRA now.

Divorced Spouses Play by a Different Rule

A divorced spouse can claim a spousal benefit on an ex’s record without waiting for the ex to file, as long as the marriage lasted at least 10 years, the divorced spouse is currently unmarried, both people are at least 62, and (if the divorce was within the last two years) the ex is already eligible for their own benefit. Multiple ex-spouses can each independently claim on the same worker’s record without reducing each other’s benefit or the worker’s own.

The Bottom Line

A spousal benefit tops out at exactly half of the higher earner’s FRA benefit, doesn’t grow past FRA, and can’t be combined with your own benefit – so the real decision is when to claim it, not whether waiting past FRA helps, because for the spousal portion specifically, it doesn’t. For how the higher earner’s own claiming age changes everything else in the household’s total benefit, see our Social Security claiming strategy guide.

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