Social Security Disability Insurance is a federal program that pays monthly benefits to people who cannot work because of a disability

Social Security Disability Insurance (SSDI) is run by the Social Security Administration. It pays you a monthly amount if you have a medical condition that prevents you from working, and that condition is expected to last at least 12 months or result in death. You do not have to be poor to receive SSDI — it is based on your work history, not your income.

SSDI is different from Supplemental Security Income (SSI), which is a separate program for people with disabilities who have little or no work history. Many people confuse the two because they are both run by Social Security, but they have different rules about who qualifies and how much you receive.

To get SSDI, you must have worked and paid Social Security taxes for a certain number of years. The exact number depends on your age when you become disabled. If you worked long enough, Social Security will review your medical records to decide whether your condition meets their definition of disability.

Key Takeaways

  • SSDI pays monthly benefits based on your work history, not your current income or savings.
  • Your condition must prevent you from working and be expected to last at least 12 months or result in death.
  • You must have worked and paid Social Security taxes for a certain number of years to be found disabled under SSDI rules.
  • The Social Security Administration makes the decision about whether you meet their medical criteria, but a lawyer can help you present your case.
  • Most people are denied on their first request, and many go through multiple rounds of review before a decision is made.

How much money you receive each month

Your SSDI payment is based on your Primary Insurance Amount (PIA), which is calculated from your lifetime earnings record. The higher your average earnings were during your working years, the higher your monthly payment. Social Security uses a formula that looks at your 35 highest-earning years.

The exact dollar amount varies widely from person to person. In 2024, the average SSDI payment is around $1,550 per month, but this is only an average — some people receive less, some receive more. Your actual payment depends entirely on what you earned.

Once you start receiving SSDI, your payment amount stays the same unless Social Security adjusts it for cost-of-living increases, which happen once a year. If you return to work and earn above a certain amount (called the Substantial Gainful Activity level), Social Security may reduce or stop your benefits.

What counts as a disability under SSDI rules

Social Security has a specific definition of disability that is stricter than most people expect. Your condition must prevent you from doing any kind of work that exists in the national economy, not just your old job. This is a high bar — having a medical condition is not enough by itself.

Social Security publishes a list called the Blue Book, which describes medical conditions that automatically meet their disability standard. These include conditions like terminal cancer, severe arthritis, blindness, and certain mental health disorders. If your condition is on the Blue Book and your medical evidence matches the description, your case is stronger.

If your condition is not on the Blue Book, Social Security will still review your case. They look at your medical records, test results, and what your doctors say about your limitations. They also consider your age, education, and work experience — a 58-year-old with a high school diploma who cannot lift more than 10 pounds has a better chance than a 35-year-old with the same limitation.

The difference between SSDI and SSI

SSDI and SSI are both disability programs run by Social Security, but they work very differently. SSDI is based on your work history — you paid into it through payroll taxes. SSI is a needs-based program for people with disabilities who have little or no work history and limited income and resources.

With SSDI, there is no limit on how much money you can have in savings or how much your spouse earns. With SSI, you can have no more than $2,000 in resources (this limit changes slowly over time). SSDI payments are usually higher than SSI payments because they are based on your earnings record.

Some people receive both SSDI and SSI at the same time. This happens when your SSDI payment is very low — Social Security will top it up with SSI to bring you to the minimum monthly amount. If you think you might may have access to for either program, you should request both when you contact Social Security.

How the SSDI decision process works

When you request SSDI, your case goes through several stages. First, Social Security's local office reviews your work history to make sure you have worked long enough. If you have, your case moves to the Disability information Services (DDS) office in your state, which is a separate agency that makes the medical decision.

The DDS office will ask you for medical records from your doctors and hospitals. They may also send you to a doctor they choose to examine you. This examination is free to you, but the doctor works for Social Security, not for you. After they gather all the medical evidence, a doctor and a non-medical specialist at DDS review your file and make a decision.

Most people are denied on their first request. If you are denied, you have the right to request reconsideration, which sends your case to a different examiner at DDS. If you are denied again, you can request a hearing before an Administrative Law Judge (ALJ). This is where a lawyer becomes most useful — the ALJ hearing is a formal process where you can present evidence and testimony.

Why a lawyer matters in SSDI cases

A lawyer cannot change Social Security's medical rules or make them decide your case faster. What a lawyer does is help you present the strongest possible case with the evidence you have. They know what kind of medical evidence the ALJ will find convincing, how to organize your records so they tell a clear story, and what questions to ask your doctors before the hearing.

Most SSDI lawyers work on contingency, which means they only get paid if you win. Their fee is set by law at 25 percent of your back pay (the money owed from the date you requested benefits to the date you were approved), up to a maximum of $7,200. You do not pay anything upfront.

A lawyer is especially helpful if your case is complex — for example, if you have multiple conditions, if your doctors disagree about your limitations, or if you have a work history that makes it hard to argue you cannot work. If your case seems straightforward and you feel confident presenting it yourself, you can represent yourself at the ALJ hearing, though most people who do are denied.

What happens after you are approved for SSDI

Once you are approved, Social Security will send you a notice showing your monthly payment amount and the date your benefits start. You will receive your first payment within a few weeks. Your payment comes by direct deposit to your bank account, or by a debit card if you do not have a bank account.

After you start receiving SSDI, Social Security will periodically review your case to make sure you still meet the disability standard. How often this happens depends on whether your condition is expected to improve. Some people are reviewed every few years, others less often. Social Security will send you a letter telling you when your review is scheduled.

If you return to work, you should tell Social Security when ready. You have a Trial Work Period of nine months during which you can earn any amount without losing benefits. After that, if you earn more than the Substantial Gainful Activity level (which changes each year), your benefits will stop. There are other work incentives available, and a work incentive planning counselor can help you understand them.

Frequently Asked Questions

How long does it take to get a decision on an SSDI request?

The initial decision from your state's Disability information Services office usually takes 3 to 6 months. If you are denied and request reconsideration, add another 3 to 6 months. If you request an ALJ hearing, the wait is typically 1 to 2 years depending on how busy your local hearing office is. A lawyer cannot speed this up, but they can help you prepare while you wait.

Can I work while I am waiting for an SSDI decision?

Yes. You can work and earn any amount while your case is pending. If you are approved, Social Security will pay you back to the date you requested benefits, even if you were working during that time. However, if you are working full-time and earning a good income, Social Security may question whether you are truly unable to work.

What if I disagree with the medical evidence Social Security gathered?

You can submit additional medical records from your own doctors at any stage of the process. If you go to an ALJ hearing, you can bring your own medical informed to testify about your condition. This is one reason a lawyer is helpful — they can tell you which additional evidence will strengthen your case and help you get it into the record before the hearing.

Do I have to use a lawyer to request SSDI?

No. You can request SSDI on your own by contacting your local Social Security office or by going to ssa.gov. However, most people who represent themselves at the ALJ hearing stage are denied. A lawyer is most useful at the hearing stage, but some people hire one earlier to help organize their medical evidence.

What is the difference between being approved for SSDI and being found disabled?

Being "found disabled" means Social Security has decided you meet their medical criteria for disability. Being "approved for SSDI" means you are found disabled AND you have worked long enough to have SSDI coverage. If you are found disabled but have not worked long enough, you may be found disabled under SSI instead.