SSDI does not end at a specific age, but your case converts from SSDI to Social Security retirement benefits at your full retirement age

Social Security Disability Insurance (SSDI) is not a program that cuts you off on your birthday. Instead, when you reach your full retirement age—which ranges from 66 to 67 depending on your birth year—your case automatically converts. You stop receiving a disability payment and start receiving a retirement payment instead. The dollar amount usually stays the same or increases slightly, and you remain on Social Security.

The conversion is automatic. You do not need to reapply, sign new forms, or contact Social Security to make it happen. Your payment continues without interruption. The only change is the name of the program on your statement and the rules that govern what you can earn without affecting your benefit.

Before full retirement age, SSDI can end for other reasons: if your medical condition improves and you return to substantial work, if you reach age 19 and are no longer a student, or if you die. But age alone does not end SSDI. Conversion to retirement benefits is what happens instead.

Key Takeaways

  • SSDI converts automatically to Social Security retirement benefits when you reach your full retirement age, with no action required on your part.
  • Your full retirement age is 66 or 67 depending on your birth year, not 65 or any other fixed age.
  • The monthly payment amount usually stays the same after conversion, though it may increase slightly due to cost-of-living adjustments.
  • Before full retirement age, SSDI can end if you work above the substantial gainful activity threshold, but age itself is not a reason to stop payments.
  • Family members receiving benefits on your SSDI record also convert to retirement benefits at their own full retirement age or when you convert, whichever comes first.

What Full Retirement Age Means for Your SSDI

Your full retirement age is the age at which Social Security considers you may be able to access for unreduced retirement benefits. It is not the age you can first claim benefits—that is 62—and it is not Medicare age, which is 65. Full retirement age is a separate threshold that matters for SSDI conversion.

The table below shows full retirement age by birth year. If you were born between 1943 and 1954, your full retirement age is 66. If you were born in 1960 or later, it is 67. If you were born between those years, it falls somewhere in between, usually in two-month increments.

Birth YearFull Retirement Age
1943–195466
195566 and 2 months
195666 and 4 months
195766 and 6 months
195866 and 8 months
195966 and 10 months
1960 or later67

You can find your exact full retirement age on your Social Security statement, which arrives by mail or is available online through your my Social Security account. You do not need to calculate it yourself.

How Your Payment Changes at Conversion

When you convert from SSDI to retirement benefits, your monthly payment usually does not change. Social Security is designed so that the amount you receive as a disabled worker is roughly equal to the amount you would receive as a retired worker at full retirement age, assuming the same work history. The conversion is a technical change in the program name, not a financial one.

Your payment may increase slightly if you have continued to work and earn Social Security credits since you began receiving SSDI. Each year you work, your earnings record is updated, and Social Security recalculates your benefit based on your 35 highest-earning years. If recent earnings are higher than older ones, your benefit may go up. This recalculation happens automatically; you do not request it.

After conversion, the earnings limit changes. While you are on SSDI before full retirement age, you can earn up to $23,400 per year (in 2024) without losing benefits. After conversion to retirement benefits, there is no earnings limit at any age. You can work and earn as much as you want without affecting your payment. This is one of the few advantages of reaching full retirement age.

What Happens to Family Members on Your Record

If you have a spouse, ex-spouse, or children receiving benefits based on your SSDI record, they also convert to retirement benefits, but the timing depends on their age and relationship to you.

Your spouse converts when they reach their own full retirement age, or when you convert, whichever comes first. If your spouse is younger and not yet at full retirement age when you convert, they continue on SSDI as a spouse until they reach their full retirement age. Children on your record convert when they turn 19 if they are no longer full-time students, or at 18 if they are not students. Disabled adult children (those disabled before age 22) can remain on your record indefinitely and convert to retirement benefits when you do.

The family maximum—the total amount Social Security will pay to all members of your household based on your record—applies to both SSDI and retirement benefits. It is usually 150 to 180 percent of your primary insurance amount. When you convert, the family maximum does not change, but it is recalculated based on your retirement benefit amount.

When SSDI Ends Before Full Retirement Age

SSDI can end before you reach full retirement age for reasons other than age. The most common is substantial gainful activity (SGA). In 2024, if you earn more than $2,590 per month (or $4,368 if you are blind), Social Security considers you to be working at a substantial level. If you sustain that level of earnings for nine months, your SSDI case closes. You have a nine-month trial work period where you can test your ability to work without losing benefits, but after that, earnings above the SGA threshold end your case.

SSDI also ends if your medical condition improves and you no longer meet the definition of disability. Social Security conducts periodic reviews—called continuing disability reviews (CDRs)—to check whether your condition has improved. The frequency depends on your diagnosis and age. If the review finds that your condition has medically improved and you can work, your benefits stop. You have the right to appeal any medical decision.

If you are a student, SSDI ends when you turn 19, even if you are still in high school. There is no exception for students with disabilities. If you are 19 or older and a full-time student, you are not on SSDI; you may be on a parent's or grandparent's record as a dependent child, which also ends at 19.

Medicare and Medicaid After SSDI Conversion

Your Medicare coverage does not change when you convert from SSDI to retirement benefits. You became may be able to access for Medicare after receiving SSDI for 24 months (the waiting period). Once you have Medicare, you keep it regardless of whether you are on SSDI or retirement benefits. Your Medicare Part A (hospital insurance) and Part B (medical insurance) continue without interruption.

Medicaid is different and depends on your state. Some states tie Medicaid to SSDI status, meaning you lose Medicaid when you convert to retirement benefits. Other states use a separate income and asset test for Medicaid that does not change when you convert. A few states have special protections that let you keep Medicaid even after conversion. You should contact your state Medicaid office before you reach full retirement age to understand what will happen in your case. Do not assume you will lose Medicaid; the rules vary widely.

Planning Ahead for Your Conversion

You do not need to do anything to make your SSDI conversion happen—it is automatic. However, there are a few things worth planning for in advance.

First, understand your full retirement age now. If you are within a few years of conversion, knowing the exact month and year helps you plan for changes in your earnings limit and any Medicaid implications. You can find this information on your Social Security statement or by creating a my Social Security account online.

Second, if you are working or thinking about working, understand the earnings limit before conversion and the lack of an earnings limit after. Some people increase their work hours or take on additional work after conversion because there is no longer a penalty for earning above a threshold. Others plan to retire at full retirement age because they no longer need to worry about the SGA limit.

Third, if you receive Medicaid, contact your state Medicaid office to ask what happens when you convert. Do not wait until after conversion to find out. Some states require you to report the conversion, and some have a process to keep you on Medicaid even though you are no longer on SSDI.

Frequently Asked Questions

Can I stay on SSDI past my full retirement age?

No. Your case converts automatically at full retirement age. You cannot choose to remain on SSDI. The conversion is not optional, but the payment amount and your coverage usually remain the same, so there is no financial reason to want to stay on SSDI.

What if I am still working when I reach full retirement age?

Your conversion happens regardless of whether you are working. Once you reach full retirement age, the earnings limit no longer applies, so you can work and earn as much as you want without affecting your benefit. This is actually one of the benefits of reaching full retirement age.

Will my payment go down when I convert?

Typically no. Your payment is designed to be roughly the same whether you receive it as SSDI or as a retirement benefit. It may increase slightly if you have continued to work and earn credits, but it should not decrease due to conversion alone.

What happens to my children's benefits when I convert?

Children on your record convert to retirement benefits based on your record when they reach their own full retirement age, or when they turn 19 if they are not students, whichever comes first. Disabled adult children can stay on your record indefinitely and convert when you do.

Do I lose Medicare when I convert from SSDI to retirement?

No. Once you have Medicare, you keep it for life, regardless of whether you are on SSDI or retirement benefits. Your coverage does not change at conversion. Medicaid rules vary by state, so check with your state Medicaid office separately.