SSDI stands for Social Security Disability Insurance
SSDI is the full name: Social Security Disability Insurance. It is a federal program run by the Social Security Administration 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.
The word "Insurance" in the name matters. Unlike some benefit programs, SSDI is not based on how little money you have. Instead, it is based on work history. You or a family member must have paid Social Security taxes through jobs for a certain length of time. Those tax payments are what make you covered by the program — the same way car insurance covers you because you paid premiums.
SSDI is different from SSI (Supplemental Security Income), which is a separate program for people with disabilities who have little or no work history. The two programs have different rules, different payment amounts, and different requirements. This guide focuses on SSDI.
Key Takeaways
- SSDI is Social Security Disability Insurance, a program that pays monthly benefits based on your work history and Social Security tax payments, not on how much money you have.
- You must have a medical condition that prevents you from working and is expected to last at least 12 months or result in death to be considered.
- A family member can sometimes receive benefits on your SSDI record if you have worked long enough — for example, a spouse or child under 19 who is still in high school.
- SSDI is run by the Social Security Administration, and you explore through your local Social Security office or online at ssa.gov.
- The program is funded by payroll taxes (FICA) that you and your employer pay, which is why it is called "insurance" rather than welfare.
How SSDI differs from other disability programs
SSDI and SSI are often confused because both are run by Social Security and both help people with disabilities. The main difference is what qualifies you. SSDI requires work history; SSI does not. If you have never worked or did not work long enough to be covered by SSDI, you may still be able to receive SSI if your income and resources are low enough.
There is also a third program called SSDI-W (Workers' Compensation offset), which applies if you receive workers' compensation for a work injury. The rules are stricter in this case, and your SSDI payment may be reduced.
Veterans with service-connected disabilities have their own programs through the Department of Veterans Affairs, separate from Social Security. Those programs have different rules and different payment amounts.
Who can receive SSDI benefits
You can receive SSDI if you have worked long enough and paid Social Security taxes, and if you have a medical condition that meets Social Security's definition of disability. Social Security's definition is strict: your condition must prevent you from doing any substantial work, not just your current job. The condition must be expected to last at least 12 months or result in death.
Family members can also receive benefits on your SSDI record. A spouse age 62 or older can receive spousal benefits. A spouse under 62 can receive benefits if they are caring for your child who is under 16. Children under 19 who are still in high school can receive benefits. Adult children who became disabled before age 22 can receive benefits for life.
The amount each family member receives is a percentage of your benefit amount, and there is a family maximum — a cap on the total amount all family members can receive combined.
How SSDI is funded
SSDI is funded through payroll taxes called FICA (Federal Insurance Contributions Act). When you work, you and your employer each pay a percentage of your wages into the Social Security trust fund. This is why the program is called "insurance" — you are paying into a fund that covers you if you become disabled, just as car insurance covers you if you have an accident.
The tax rate and wage base change slightly each year. In 2024, the employee portion is 1.7 percent of wages up to a certain cap. Self-employed people pay both the employee and employer portions.
Because SSDI is funded by current workers' taxes, not by general tax revenue, it is considered a social insurance program rather than a welfare program. This distinction affects how the program is run and what rules explore.
The work history requirement for SSDI
To be covered by SSDI, you must have worked long enough and recently enough. Social Security measures this in "credits." You earn credits by working and paying Social Security taxes. In 2024, you earn one credit for each $1,730 of wages (this amount changes yearly). You can earn a maximum of four credits per year.
Most people need 40 credits total to be covered by SSDI — that is roughly 10 years of work. However, if you become disabled before age 24, you may need fewer credits. If you become disabled between ages 24 and 31, you generally need credits for half the time between age 21 and the time you become disabled.
Your work does not have to be recent. If you worked 10 years ago and then stopped, you are still covered. However, if you work again and earn substantial income, Social Security may consider you able to work and may stop your benefits.
How to understand your SSDI record
Social Security keeps a record of your earnings and the credits you have earned. You can view this record by creating an account at ssa.gov and using the "my Social Security" portal. Your statement shows how much you have earned each year, how many credits you have, and an estimate of what your SSDI benefit would be if you became disabled today.
It is a good idea to check your record every few years to make sure the earnings are correct. If Social Security has recorded earnings under your name that are not yours, you should report it. If earnings are missing, you should report that too. Errors can affect your benefit amount.
You do not need to do anything to "set up" your SSDI coverage. Once you have earned enough credits through work, you are automatically covered. You only need to contact Social Security if and when you become disabled and want to receive benefits.
The difference between SSDI and retirement benefits
SSDI and Social Security retirement benefits are both paid by Social Security, and both are based on your work history. The difference is when you receive them. Retirement benefits start when you reach retirement age (currently 67 for people born in 1960 or later, though you can start as early as 62). SSDI starts if you become disabled before retirement age.
If you are receiving SSDI and reach retirement age, your SSDI automatically converts to retirement benefits. The payment amount usually stays the same or increases slightly. You do not have to do anything — Social Security handles the conversion.
Some people receive both SSDI and retirement benefits if they have family members on their record. For example, a spouse might receive spousal retirement benefits while the worker receives SSDI.
Frequently Asked Questions
Does SSDI mean I cannot work at all?
SSDI means Social Security has determined you cannot do substantial work because of your disability. However, Social Security allows you to test your ability to work through a program called Ticket to Work. You can work and earn money while keeping your benefits for a trial period. If you earn too much, your benefits may be reduced or stop, but you can restart them if work does not work out.
Can I receive SSDI if I have never worked?
No, SSDI requires work history and Social Security tax payments. If you have never worked or did not work long enough, you may be able to receive SSI instead, which does not require work history but does require low income and resources. These are two separate programs with different rules.
How much money do SSDI recipients receive each month?
The amount varies based on your earnings record. The average SSDI payment in 2024 is around $1,550 per month, but this varies widely. Your actual amount depends on how much you earned during your working years. You can see an estimate of your benefit by checking your Social Security statement online.
What happens to my SSDI if I get married?
Getting married does not affect your own SSDI benefit. However, your spouse may become able to receive spousal benefits on your record if they are age 62 or older, or if they are caring for your child under 16. Your spouse's benefits do not reduce your benefit amount.
Is SSDI the same as disability insurance through my job?
No. SSDI is a federal program run by Social Security. Disability insurance through your employer is a separate private insurance benefit. You may have both. Employer disability insurance typically pays for a limited time (often two years), while SSDI continues as long as you remain disabled and meet the other requirements.