What Social Security Disability Insurance Is

Social Security Disability Insurance (SSDI) is a federal program that pays monthly cash benefits to people who cannot work because of a medical condition expected to last at least 12 months or result in death. You receive SSDI based on your own work history and the taxes you or a family member paid into Social Security — not based on income or savings.

SSDI is different from Supplemental Security Income (SSI), which is a needs-based program for people with disabilities who have little or no income or resources. With SSDI, your past earnings are what matter. With SSI, your current financial situation is what matters.

The program is run by the Social Security Administration (SSA). Once you start receiving SSDI, you keep receiving it as long as your medical condition meets the program's definition of disability and you continue to report your work and earnings to Social Security.

Key Takeaways

  • SSDI pays monthly benefits based on your work history, not your current income or assets.
  • You must have a medical condition that prevents substantial work and is expected to last at least 12 months or result in death.
  • Your family members — spouse, children, or ex-spouse — may also receive benefits based on your work record.
  • After 24 months of receiving SSDI, you become may be able to access for Medicare, regardless of age.
  • Working while on SSDI is possible under certain rules, and you should report all earnings to Social Security.

Who Can Receive SSDI

To receive SSDI, you must have worked long enough and recently enough to have earned enough Social Security credits. The number of credits you need depends on your age when your disability begins. Generally, you need 40 credits total, with at least 20 of them earned in the 10 years before your disability started. Younger workers may need fewer credits.

Your medical condition must meet Social Security's strict definition of disability. This means you cannot do the work you did before, cannot adjust to other work because of your medical condition, and the condition is expected to last at least 12 months or result in death. Social Security does not consider your age, education, or work experience when deciding if you meet this definition — only whether your medical condition prevents substantial work.

You do not have to be completely unable to work. You must be unable to earn more than a certain amount per month (called substantial gainful activity, or SGA). In 2024, this amount is $1,550 per month for non-blind individuals, though this figure changes yearly.

How Much SSDI Pays

Your monthly SSDI payment is based on your lifetime average earnings covered by Social Security. The Social Security Administration calculates this using your highest 35 years of earnings. If you worked fewer than 35 years, zeros are counted for the missing years, which lowers your average.

The average SSDI payment varies widely depending on your work history. There is no fixed amount — your payment reflects what you earned. You can see an estimate of your future SSDI benefit by creating an account on ssa.gov and viewing your Social Security Statement.

If you are married or have children, they may receive benefits based on your work record. A spouse can receive up to 50 percent of your benefit amount, and each child can receive up to 75 percent. However, there is a family maximum — the total amount paid to you and your family members combined cannot exceed 150 to 180 percent of your own benefit.

The Medical Review Process

When you report a disability to Social Security, the agency sends your medical records to a state agency called Disability information Services (DDS). A disability examiner and a medical or vocational consultant review your records to decide whether your condition meets Social Security's definition of disability.

Social Security uses a five-step process to evaluate your claim. First, they check whether you are working and earning more than the SGA limit. Second, they determine whether your medical condition is severe enough to interfere with work. Third, they compare your condition to a list of conditions Social Security recognizes as disabling (called the Blue Book). Fourth, if your condition is not on the list, they assess whether it is as severe as a listed condition. Fifth, they determine whether you can do any other work given your age, education, and work experience.

This process typically takes three to six months, though it can take longer if Social Security needs more medical evidence. You will receive a written decision in the mail.

What Happens If Your Claim Is Denied

If Social Security denies your claim, you have the right to appeal. You have 60 days from the date you receive the denial letter to request reconsideration. At this stage, Social Security reviews your case again, usually with a different examiner.

If reconsideration is also denied, you can request a hearing before an Administrative Law Judge (ALJ). This hearing is your chance to present evidence and testimony about your disability. Many people hire a disability representative or attorney at this stage. If the ALJ denies your claim, you can appeal to the Appeals Council, and then to federal court.

About 70 percent of claims are denied at the initial stage, but roughly 60 percent of those denials are overturned on appeal. Having medical evidence that clearly supports your condition and working with a representative familiar with Social Security's rules significantly improves your chances at appeal.

Working While Receiving SSDI

You can work and still receive SSDI, as long as your earnings stay below the SGA limit and you report your work to Social Security. In 2024, you can earn up to $1,550 per month without it affecting your benefits, though this threshold changes yearly.

Social Security also offers work incentives designed to help you test your ability to work without immediately losing benefits. The Trial Work Period allows you to earn any amount for nine months (not necessarily consecutive) without affecting your SSDI payment. After the Trial Work Period ends, you enter the Extended Period of may be able to access, during which you can continue to receive benefits for any month your earnings fall below the SGA limit.

If you return to work and your earnings exceed the SGA limit for a full month, your benefits stop for that month. However, you do not lose your may be able to access. If you stop working or your earnings drop below SGA again, your benefits can restart without a new application.

Medicare and Other Benefits

After you receive SSDI for 24 consecutive months, you become may be able to access for Medicare Part A (hospital insurance) and Part B (medical insurance), regardless of your age. This is one of the most valuable features of SSDI for younger disabled workers who would otherwise have no path to health coverage.

You must enroll in Medicare during your initial enrollment period or pay a late enrollment penalty. Social Security will contact you about three months before your 24-month mark to explain your Medicare options.

While receiving SSDI, you may also be able to receive other benefits such as food assistance (SNAP) or housing support, depending on your state and your income. Contact your local Social Security office or visit ssa.gov to learn what other programs you might be able to access.

Frequently Asked Questions

How long does it take to get SSDI?

The initial decision typically takes three to six months. If you are denied and appeal, the reconsideration stage takes another two to three months. A hearing before an Administrative Law Judge can take one to two years from the time you request it. Having complete medical records ready when you apply speeds up the process.

Can I receive SSDI if I have never worked?

No. SSDI requires that you have worked and earned Social Security credits. If you have never worked or do not have enough work history, you may be able to receive Supplemental Security Income (SSI) instead, which is based on financial need rather than work history.

What happens to my SSDI if I get married?

Your own SSDI payment does not change if you marry. However, your spouse may become able to receive benefits based on your work record. Your spouse can receive up to 50 percent of your benefit amount if they are at least 62 years old or caring for a child under 16 who receives benefits on your record.

Can I lose my SSDI benefits?

Yes. Social Security periodically reviews your case to confirm you still meet the disability definition. If your condition improves and you can work, your benefits can end. You can also lose benefits if you earn too much money or if you fail to report your work and earnings to Social Security.

Do I have to pay taxes on SSDI?

SSDI benefits may be taxable depending on your total income. If you have other income in addition to SSDI, part of your benefits may be subject to federal income tax. Social Security will send you a form showing your benefits each year so you can determine your tax liability.