You cannot receive both SSI and SSDI payments in the same month, but you may be able to receive one and then switch to the other

Social Security has a rule called concurrent receipt that prevents you from collecting both Supplemental Security Income (SSI) and Social Security Disability Insurance (SSDI) simultaneously. If you are found to be disabled under both programs, Social Security will pay you whichever benefit is higher — but not both. However, your situation may change over time, and you could move from one program to the other as your circumstances shift.

The reason for this rule is that both programs are designed to replace lost income due to disability. SSI is a needs-based program for people with low income and resources, while SSDI is an earned benefit based on your work history. Social Security treats them as alternative paths to the same goal, not as stacked benefits.

Understanding which program you might receive, and what happens if your status changes, matters because the rules for work, medical review, and ongoing payments are different between the two.

Key Takeaways

  • Social Security will pay you the higher of the two benefits if you meet the disability rules for both SSI and SSDI, but never both payments in the same month.
  • You can move from SSI to SSDI if you earn enough work credits, or from SSDI to SSI if your SSDI ends and your income falls below the SSI limit.
  • If you receive SSDI and your benefit is lower than the SSI payment rate in your state, you may receive a small SSI top-up payment called deemed income reduction.
  • Work incentives and medical review rules differ between the two programs, so knowing which one you receive changes what you can earn without losing benefits.
  • You should report any change in your work, income, or living situation to Social Security when ready, because switching between programs can happen automatically.

How Social Security Decides Which Benefit You Receive

When you file for disability, Social Security first determines whether you meet the medical definition of disability — the same standard applies to both SSI and SSDI. If you meet that standard, the program then looks at your work history and your income and resources.

If you have enough work credits (usually 40 credits, with 20 earned in the last 10 years), you are found to have a disability, and you are under full retirement age, you receive SSDI. If you do not have enough work credits but you meet the disability standard and your income and resources are below the SSI limit, you receive SSI instead. If you meet both programs' rules, Social Security pays you the higher amount.

This decision is made at the time you file. You do not choose which program you want — Social Security assigns you based on your work history and financial situation.

When You Might Move from SSI to SSDI

You can transition from SSI to SSDI if you return to work and earn enough work credits while receiving SSI. This is one of the few ways to move between the two programs. For example, if you are on SSI and you work part-time, you may eventually accumulate enough credits to become SSDI-insured. Once you have the required credits, your next medical review or benefit recalculation may shift you to SSDI.

The work incentive called Plan to Achieve Self-Support (PASS) is designed partly to help SSI recipients build work credits toward SSDI. Under PASS, you can set aside income and resources for a specific work goal without losing your SSI payment, which gives you time to earn credits while staying on the program.

You do not have to do anything to trigger this switch — Social Security tracks your work record and will notify you if you become SSDI-insured. However, it is a good idea to report your work to Social Security as you go, so there are no surprises at your next review.

When You Might Move from SSDI to SSI

You can move from SSDI to SSI if your SSDI benefit ends — usually because you reach full retirement age and your disability benefit converts to a retirement benefit, or because a medical review finds you are no longer disabled. If your income and resources then fall below the SSI limit, you may become SSI-may be able to access.

This transition is less common than the reverse, because SSDI does not have a resource limit (you can own a house, a car, and savings without losing SSDI), while SSI does. However, if your SSDI ends and you have little income, SSI may be available to you even if you did not have enough work credits for SSDI originally.

Social Security will not automatically move you to SSI when your SSDI ends. You will need to file a separate SSI process, or contact your local Social Security office to ask whether you should file. This is important: do not assume you are covered once your SSDI stops.

The SSI Top-Up Payment (Deemed Income Reduction)

In rare cases, you may receive both an SSDI payment and a small SSI payment in the same month. This happens when your SSDI benefit is lower than your state's SSI payment rate, and you have no other income. Social Security calls this a deemed income reduction or top-up payment.

This is not a second full benefit — it is a small supplement to bring your total payment closer to the SSI standard. It occurs in only a few states and only when specific conditions are met. If you think this might explore to you, ask your Social Security representative directly, because the rules vary by state and by your individual situation.

Work Rules and Earnings Limits: SSI Versus SSDI

The two programs have different rules for how much you can earn while staying on benefits. SSDI has a Substantial Gainful Activity (SGA) limit — in 2024, that is $1,550 per month for non-blind disabled workers (the amount changes yearly). If you earn more than SGA, your SSDI can be suspended or ended. However, SSDI has a nine-month trial work period where you can earn any amount without losing benefits, and a 36-month extended may be able to access period after that.

SSI has a much lower earnings limit: you can earn about $65 per month without losing any SSI payment, and then SSI reduces by $1 for every $2 you earn above that. SSI also has work incentives like PASS and the Student Earned Income Exclusion, but the basic earnings limit is stricter.

If you move from one program to the other, your work rules change. This is one reason it matters which program you are on — you may be able to work more and keep more of your earnings under SSDI than under SSI.

Medical Reviews and Continuing Disability

Both SSI and SSDI require periodic medical reviews to confirm you are still disabled. However, the frequency and process can differ. SSDI beneficiaries who are expected to improve may have reviews every one to three years, while those unlikely to improve may have reviews every five to seven years. SSI reviews follow a similar pattern but may also include financial reviews to confirm your income and resources still meet the SSI limit.

If a medical review finds you are no longer disabled, your benefit ends. If you are on SSDI and you lose it due to medical improvement, you may then file for SSI if your income and resources may have access to. Conversely, if you are on SSI and lose it for medical reasons, you cannot automatically move to SSDI — you would need to have enough work credits, which you may not have if you were unable to work.

Understanding which program you are on helps you prepare for these reviews. Ask your Social Security representative how often your review is scheduled and what medical evidence you should gather to show your condition has not improved.

Frequently Asked Questions

What happens if I am approved for both SSI and SSDI on the same day?

Social Security will assign you to whichever program pays the higher benefit. You will receive one payment, not both. The program that pays less will be closed, and you will receive a notice explaining which program you are on and why.

Can I appeal if Social Security puts me on SSI when I think I should be on SSDI?

Yes. You can request reconsideration within 60 days of the notice. If you believe you have enough work credits for SSDI, bring your Social Security Statement (which shows your work record) to your local office, or ask them to review your credits. The appeal process is the same for both programs.

If I am on SSDI and I stop working, can I switch to SSI?

Not automatically. SSDI does not end just because you stop working — it ends only if a medical review finds you are no longer disabled, or you reach full retirement age. If either of those things happens and your income is low enough, you could then file for SSI. But stopping work alone does not trigger a switch.

What if my SSDI benefit is very small — can I get SSI too?

Only in the specific case of a deemed income reduction (top-up payment), which is rare and state-dependent. In most cases, no. If your SSDI is very low, you stay on SSDI. If you lose SSDI later, you can then file for SSI if you meet the income and resource limits at that time.

Do I need to tell Social Security if I think I might become SSDI-insured while on SSI?

You should report your work to Social Security as you earn it, because they use that information to track your work credits. You do not have to file a separate request to switch programs — Social Security will handle the transition when you have enough credits. But keeping them informed prevents delays and errors.