A divorce does not always end a person’s claim on a former spouse’s Social Security record. Social Security’s family benefits rules reach back to a marriage that ended years ago, as long as it lasted long enough. For many divorced people, the length of that marriage decides whether a second benefit exists at all.

The rule turns on a single number of years, and the amount depends on a second number that is easy to misread. Both come straight from the agency’s own pages, and both are worth sorting out before anyone files.

The question for anyone whose marriage ended in divorce is simple: was the marriage long enough to claim on the ex-spouse’s record? The answer sits in the marriage dates on a certificate and divorce decree, not in how the marriage ended or who left.

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The 10-year marriage test

Social Security’s family benefits eligibility page says that ex-spouses who were married for at least 10 years, as well as some valid non-marital legal relationships, may be eligible. The wording sets a floor. A marriage of nine years and eleven months sits on the wrong side of it, and a marriage of twenty years clears it easily.

The same page lists the person whose record is being used as someone entitled to retirement or disability benefits. That puts the focus on the former spouse’s own status with Social Security, which the divorced person does not control.

The page also lists age 62 and older as the age marker for spouses. The age is where eligibility starts, not the point at which the full amount is paid, and that difference matters for the next section.

What “up to half” actually measures

The agency’s benefit amount page states the share this way: “You could get up to half of the benefit amount your family member would get at their Full Retirement Age.” Two details sit inside that sentence. The figure is a ceiling, not a promise of half, and it is measured against the ex-spouse’s benefit at full retirement age rather than the amount of the check the ex-spouse actually receives.

That second point trips people up. An ex-spouse who claimed early and takes a reduced check does not shrink the base the divorced spouse’s share is figured from. An ex-spouse who delayed past full retirement age and collects a larger check does not raise it either, because the page ties the share to the benefit at full retirement age.

The same page notes that payments to ex-spouses do not count toward the family maximum. In practice, that is why the arrangement takes nothing from the ex-spouse: the divorced person’s benefit is paid on top of the former spouse’s own and does not reduce it.

Why filing at 62 shrinks the share

Eligibility starts at 62, but the amount page makes clear that timing changes the payment. It says the spousal benefit can be applied for starting at age 62, and that the payment amount is higher the longer a person waits to apply, up to full retirement age. The agency lists full retirement age as somewhere between 66 and 67, depending on the birth year.

Put together, the headline figure of half is the top of the range and is reachable only at full retirement age. A claim filed at 62 draws a smaller percentage of the ex-spouse’s full-retirement-age benefit, and the reduction is permanent. That is the trade at the center of the decision: an earlier start against a lower monthly amount for as long as the benefit is paid.

Anyone weighing the choice can use the ex-spouse’s expected full-retirement-age benefit as the base, take up to half of it, and then expect something less if filing before full retirement age. The agency’s own retirement estimator and local office can supply the exact figures for a specific record.

When a spousal claim can pull in the person’s own benefit

A divorced person who also has a work record of their own faces another rule. Social Security’s program manual on deemed filing says that when someone applies for retirement benefits or for spouse and divorced-spouse benefits, the agency can treat the person as having filed for the other benefit if they qualify for both.

For people born January 2, 1954 or later, the manual says deemed filing applies to both reduced and unreduced benefits at any age, starting in the first month of eligibility for either one. For those born earlier, it applies only to reduced benefits. The manual also says deemed filing does not apply to survivor benefits, which follow different rules.

The practical effect is that a divorced person with a work record generally cannot file for one benefit and leave the other to grow untouched. The claim at 62 may set both benefits in motion at reduced amounts, which makes the age of filing a bigger decision than the ex-spouse’s record alone suggests.

Checking the marriage dates and applying

The first step is documentary: the marriage date and the divorce date show whether the 10-year line was crossed. A person who is unsure of either date can start from the divorce decree, which normally carries both. The agency’s eligibility page is the official starting point for the rules, and the application itself is free through Social Security.

The decision after that is about timing. Eligibility opens at 62, the largest share arrives at full retirement age, and a reduced claim made early cannot be undone later. Anyone near 62 with a marriage that lasted a decade or more has a date worth putting on the calendar.

Was the marriage long enough to claim on an ex’s record, and when should the claim start?

A divorced person who files at 62 without checking the 10-year test, or who files without knowing the share is permanently reduced, can lock in a smaller payment for life. Once an ex-spouse benefit begins, the first checks, any later notices and a change in the payment can all arrive as letters that need a prompt reply.

The Social Security Check Protection Kit lays out when Social Security money arrives, how to lock the payment down, and what to do the day a payment is late, short or wrong. It includes the 2026 payment calendar, the three SSA forms that stop or pause collection (SSA-561, SSA-632, SSA-634) and a first-24-hours plan for a late or missing payment.

Get the Social Security Check Protection Kit and its 2026 payment calendar →

This article was produced with AI assistance and edited for accuracy against the sources linked above.