You do not necessarily lose access to Social Security based on a former spouse's work when a marriage ends. The question is whether you meet the federal eligibility rules, and whether that record would produce a benefit beyond your own.
Benefits based on a living former spouse are different from survivor benefits. Begin with the right category. A rule you have heard about a widow or widower may not apply when your ex-spouse is alive.
Establish whether the marriage and timing qualify
For the usual divorced-spouse retirement claim, you must be unmarried, at least 62 and have been married to your former spouse for at least 10 years. The former spouse must be entitled to retirement or disability benefits, or meet the separate conditions that allow a claim before they file.
If your ex has not filed, you may still qualify once you have been divorced for at least two continuous years, provided both of you are at least 62 and your ex is eligible for retirement benefits. That exception does not remove the other eligibility requirements.
Imagine two otherwise eligible people whose former spouses are old enough to claim but have chosen to wait. One divorce became final three years ago; the other became final six months ago. Their timing can produce different answers even if both marriages lasted well over a decade. If the former spouse is already entitled to benefits, the two-year rule for an unfiled claim is not the same obstacle.
Compare the benefit, rather than adding two full checks
A divorced-spouse benefit can be up to half the former spouse's full retirement age benefit. Starting before your own full retirement age generally reduces it. You do not receive your full retirement benefit plus a second full divorced-spouse benefit. SSA pays your own benefit first and, where applicable, an additional amount based on the other record.
For a simplified full retirement age example, assume your own benefit is $1,000 and the applicable divorced-spouse amount is $1,500. The combined amount would be $1,500, not $2,500. Early claiming can make the calculation more complicated, so those figures should not be carried over to an age-62 decision.
The former spouse's remarriage does not by itself disqualify you. Your divorced-spouse benefit also does not reduce their payment or the payment to their current spouse. Your own remarriage, however, can affect eligibility and needs a fresh review.
Bring the dates to SSA before choosing a start month
A practical first conversation includes your marriage and divorce dates, your current marital status, both ages and whether you already receive benefits. Your own earnings record belongs in that conversation too. You can start with the family benefit eligibility information on the Social Security Administration website and ask SSA to assess your circumstances.
If your former spouse has died, ask about surviving divorced-spouse benefits specifically. Their age and remarriage rules differ from the living-ex-spouse rules described here. Our explanation of Social Security survivor benefits covers the separate claiming decision.
Once you have the eligible amount and possible start dates, place them in your retirement budget. That turns an uncertain assumption about an ex-spouse's record into an income figure you can actually plan around.