The 10-year marriage threshold for divorced Social Security benefits creates a permanent financial cliff that many near the cutoff overlook. A divorce finalized one month short can cost a lower-earning spouse roughly $700 a month for life.
The 10-Year Clock and How It Runs
Social Security measures the marriage from the wedding date to the day the divorce becomes legally final. Years spent living together before the wedding do not count toward the 10-year requirement. A separation that began long before the decree does not stop the clock if the divorce is not yet final. The agency published guidance on divorced spouse benefits on October 27.
There is no partial credit for a near miss. A marriage lasting 9 years and 11 months generally disqualifies a divorced spouse from claiming spousal or survivor benefits on the ex-spouse’s record.
Spousal Benefits: The 50% Rule
Divorced spousal benefits are worth up to 50% of the worker’s primary insurance amount — the benefit they would receive at full retirement age. Social Security pays the claimant’s own retirement benefit first, then adds a top-up to reach that 50% threshold if the spousal amount is higher. The agency does not stack two full benefits.
Qualifying spouses of retired workers collect an average of $986.68 per month in spousal benefits. As of September 2026, the average spousal benefit was $987 per month.
Survivor Benefits: The 100% Rule
Divorced survivor benefits can reach up to 100% of the deceased worker’s benefit if the marriage lasted at least 10 years. Ex-spouses may qualify for survivor benefits at age 60, or 50 if disabled, provided they meet the 10-year marriage requirement. Payments start at 71.5% of the deceased worker’s benefit and increase gradually, reaching up to 100% at the survivor’s full retirement age.
By the Numbers: The Lifetime Cost of Missing the Cutoff
The bottom line: a hypothetical woman divorcing at 9 years 11 months could lose $700 monthly, dropping from roughly $1,500 to roughly $800. Assume the higher earner’s primary insurance amount is $3,000. The spousal benefit would be $1,500. If the lower earner’s own benefit is $800, Social Security pays that $800 first and adds a $700 divorced-spouse top-up to reach the $1,500 spousal amount.
That top-up is worth $8,400 a year, or $84,000 over 10 years before cost-of-living raises. The 2027 COLA of 3.6% will add roughly $75 to the average retirement benefit and $35 to the average spousal benefit. Those adjustments compound over a retirement that can span decades.
Investors will note that around 44% of the retired-age population relies on Social Security for 100% of their income.
Remarriage and Other Common Misconceptions
Remarrying generally ends eligibility for benefits on a former spouse’s record. The ex-spouse’s claim does not reduce the worker’s benefit or a current spouse’s benefit by a single dollar, and the worker is not notified when an ex-spouse files.
The figure that matters is the legal divorce date. A couple who split up in year seven can still clear the bar if the divorce is not final until after the tenth anniversary.
Sources
- She Thinks One Month Won't Matter When She Divorces After 9 Years and 11 Months. That Decision Could Cost Her $700 a Month in Social Security for Life
- Social Security (United States)
- Social Security divorced-spouse benefits can't be blocked by an ex — and he won't even be notified
- Here's How Much the 3.6% 2027 Social Security COLA Will Add to the Average Retirement and Spousal Benefits | The Motley Fool
- Social Security Benefits: What the 50% Rule Means for Married Couples – AOL
- Confirmed by the SSA | When a worker dies, these relatives can collect up to 100% of their Social Security benefit
Photo: Eliza Diamond / Unsplash (Unsplash License)
