You can receive both SSI and Social Security Disability Insurance (SSDI) in limited situations, but the rules are strict and the combination rarely happens

Most people cannot collect both programs at once because SSI is a needs-based program — your income and assets determine whether you receive it — while SSDI is an earned benefit based on your work history. If you receive SSDI, that income usually disqualifies you from SSI. However, a small group of people can receive both: those who became disabled before age 22 and whose parent or spouse is collecting Social Security retirement or disability benefits. This is called Disabled Adult Child (DAC) benefits under SSDI, and it can coexist with SSI under specific circumstances.

The key difference is how much money you have coming in and what counts toward the SSI income limit. SSI allows you to earn or receive a small amount of unearned income each month before your SSI payment reduces. If your SSDI payment plus other income stays below the SSI threshold in your state, you may still receive a partial SSI payment alongside your SSDI. This is uncommon but possible.

Key Takeaways

  • You cannot receive regular SSDI and SSI together because SSDI income exceeds the SSI limit in every state.
  • Disabled Adult Child (DAC) benefits under SSDI may coexist with SSI if your total monthly income falls below your state's SSI threshold.
  • SSI counts most income dollar-for-dollar against your benefit, but allows $65 per month in earned income and $20 per month in unearned income before reducing your payment.
  • If you receive both, your SSI payment shrinks as your SSDI payment increases, so your total benefit does not grow.
  • You must report any change in income or living situation to SSA within 10 days to avoid overpayment.

How SSI income limits work when you receive SSDI

SSI has a federal income limit of $943 per month for an individual and $1,415 for a couple (as of 2024; these amounts adjust yearly). Any income you receive — whether from work, SSDI, pensions, or other sources — counts toward this limit. When your income exceeds the limit, your SSI payment reduces by $1 for every $1 over the threshold.

The Social Security Administration (SSA) does not count the first $20 of any unearned income (like SSDI or a pension) and the first $65 of earned income (from a job) plus half of earnings above $65. This means if you earn $200 per month at a job, SSA counts $67.50 of that income ($200 minus $65, divided by two, plus the $20 exclusion already applied). However, SSDI payments are unearned income, so only the $20 exclusion applies — the rest counts fully.

If your SSDI payment is $800 per month, SSA counts $780 of it ($800 minus the $20 exclusion). In a state where the SSI limit is $943, you would have $163 of room left before hitting the cap. If you also earn $100 per month at a job, SSA counts $50 of that ($100 minus $65, divided by two). You would then be $87 over the limit, and your SSI would reduce by $87 that month. This is why receiving both is rare — most SSDI payments are large enough to eliminate SSI entirely.

Disabled Adult Child benefits and SSI may be able to access

If you became disabled before age 22 and your parent, grandparent, or spouse is collecting Social Security retirement or disability benefits, you may be may have access to to Disabled Adult Child (DAC) benefits. These are SSDI benefits based on someone else's work record, not your own. DAC benefits follow the same income rules as regular SSDI — they count toward the SSI limit.

The difference is that DAC payments tend to be smaller than regular SSDI payments because they are calculated as a percentage of the primary beneficiary's benefit. If your parent's retirement benefit is $1,500 per month, your DAC benefit might be $450 to $600 per month (depending on family composition). A smaller SSDI payment leaves more room under the SSI income cap, making it more likely you could receive both.

You must have been disabled before age 22 to may have access to for DAC. The disability itself does not have to be the same one you had as a child — you only need to have been disabled continuously from before age 22 to now. If you work and your earnings exceed the Substantial Gainful Activity (SGA) level — $1,550 per month in 2024 for non-blind individuals — you lose DAC benefits entirely, regardless of SSI.

What happens to your SSI when your SSDI increases

If you receive both SSI and SSDI, any increase to your SSDI payment reduces your SSI dollar-for-dollar. This means your total monthly benefit does not grow. For example, if you receive $300 in SSI and $700 in SSDI, your total is $1,000. If your SSDI increases by $50 due to a cost-of-living adjustment, your new SSDI is $750 and your SSI drops to $250 — your total remains $1,000.

This can feel unfair, but it reflects SSI's purpose: to bring your total income up to a minimum level, not to stack multiple benefits on top of each other. The SSA calls this the "deemed income" rule. Your SSDI is deemed (counted as) income available to you, so SSI adjusts downward to keep your total at or below the limit.

The one exception is if your SSDI payment increases because you return to work and earn above the SGA level. In that case, you lose SSDI entirely, and SSI becomes your only benefit. This is rare and usually not a path people choose.

Reporting changes to avoid overpayment

If you receive both SSI and SSDI, you must report changes in income, living situation, or household composition to SSA within 10 days. This includes starting or stopping a job, a change in hours or pay, moving in with someone else, marriage, or a change in how many people live in your home. SSI is sensitive to these changes because they affect your income and sometimes your living expenses.

If you do not report a change and SSA discovers it later, you may owe back an overpayment — money SSA paid you that you were not may have access to to. Overpayments can be large and SSA will deduct them from your future benefits or pursue other collection methods. The easiest way to avoid this is to call your local SSA office or log into your My Social Security account online whenever something changes.

SSDI changes are also reportable, though SSDI has fewer reporting requirements than SSI. If you return to work, your earnings must be reported. If you receive DAC benefits and your parent or spouse dies, you must report that as well, because it may affect your benefit amount or may be able to access.

State SSI supplements and how they affect the total

Some states add their own money to the federal SSI payment, called a state supplement. California, New York, and several others offer supplements that raise the total SSI payment above the federal limit. If you live in a state with a supplement and receive both SSI and SSDI, the supplement also reduces when your SSDI increases.

For example, California's state supplement adds money to SSI, bringing the total higher than the federal amount. If you receive both SSI and SSDI in California, your combined federal and state SSI payment will still adjust downward as your SSDI goes up. The state supplement does not change the underlying rule — it just means you have more room under a higher income cap.

If you move to a different state, your SSI payment may change because state supplements vary widely. Some states have no supplement at all. This is another reason to report changes to SSA promptly — a move to a new state affects your benefit calculation.

Work incentives and how they interact with both benefits

If you work while receiving both SSI and SSDI, you have access to work incentives that reduce how much income counts against your benefits. The most common is the Student Earned Income Exclusion (for students under 22) and the Plan to Achieve Self-Support (PASS), which lets you set aside income and resources for a work goal without losing benefits.

Under PASS, you can exclude money you are saving toward a specific goal — like starting a business, getting training, or buying equipment — from your income and resource counts. This can help you keep both SSI and SSDI while building toward financial independence. However, PASS requires a written plan approved by SSA and careful record-keeping.

Another option is Impairment Related Work Expenses (IRWE), which excludes costs you pay to work — like medical equipment, transportation, or attendant care — from your income count. If you use IRWE, more of your earnings stay below the SGA level, and you keep your SSDI longer. These work incentives are complex, and it is worth asking SSA about them if you are working or planning to work.

Frequently Asked Questions

Can I receive regular SSDI and SSI at the same time?

No. Regular SSDI payments are almost always large enough to disqualify you from SSI. Only Disabled Adult Child (DAC) benefits — SSDI based on a parent or spouse's work record — can coexist with SSI, and only if your total income stays below your state's SSI limit.

What if I become disabled after age 22 but my parent is on Social Security?

You cannot receive DAC benefits if you became disabled after age 22. DAC requires disability before age 22. If you became disabled later, you would need to have your own work history to receive regular SSDI, or you would need to meet SSI's needs-based requirements without SSDI.

If my SSDI increases, does my SSI increase too?

No. Your SSI decreases by the same amount your SSDI increases, so your total benefit stays the same. SSI is designed to bring your income to a minimum level, not to stack on top of other benefits.

What counts as income for SSI when I receive SSDI?

SSDI counts as unearned income. SSA excludes the first $20 of unearned income, then counts the rest dollar-for-dollar. If you also work, SSA excludes the first $65 of earned income and counts half of earnings above that. All other income — pensions, gifts, rental income — counts fully after the $20 exclusion.

Do I have to report my SSDI to SSI?

SSA already knows about your SSDI because it is all one agency. However, if your SSDI amount changes, you should report it to make sure your SSI adjusts correctly. If you return to work and your earnings affect your SSDI, you must report that immediately to both programs.