By Ned Melanson, partner at Melanson Law Group. Updated October 2026.
You qualify for Social Security Disability Insurance (SSDI) if you’ve worked long enough to earn the required work credits and you have a medical condition that keeps you from working for at least 12 months. Both tests have to be met. In 2026, that means earning no more than $1,690 a month from work, and having enough recent work history that Social Security considers you “insured.”
Key points
- SSDI has two tests: enough work credits, and a disability that meets Social Security’s definition.
- Most adults 31 and older need 20 work credits earned in the 10 years before they became disabled. In 2026, one credit equals $1,890 in earnings, and you can earn up to four a year.
- Social Security’s definition of disability is strict: you can’t work at the substantial gainful activity level, and your condition has lasted or is expected to last at least 12 months.
- The 2026 earnings limit is $1,690 a month ($2,830 if you’re blind). It rises to $1,770 ($2,950 blind) in January 2027.
- Your SSDI coverage usually lasts about five years after you stop working. That cutoff is your “date last insured.”
- If you don’t have enough work credits, Supplemental Security Income (SSI) may be an option instead.
Wondering what your claim could be worth? Try our free SSDI benefits calculator.
Who qualifies for SSDI?
You qualify for SSDI if you meet two requirements: you’re insured through your work history, and you’re disabled under Social Security’s definition. Social Security Disability Insurance is an insurance program paid for by the Social Security taxes taken out of your paychecks, so eligibility depends on having worked and paid in, not on your income or savings.
- The work test. You’ve earned enough work credits, recently enough, to be “insured” for disability.
- The medical test. A physical or mental condition keeps you from doing substantial work, and it has lasted or is expected to last at least 12 months, or to result in death.
Your income from savings, a spouse’s job or investments doesn’t affect SSDI eligibility. That’s one of the main differences from SSI, which is need-based. Our guide to the difference between SSI and SSDI covers both programs side by side.
How many work credits do you need for SSDI?
Most people 31 and older need 20 work credits earned in the 10 years before they became disabled. In 2026, you earn one credit for every $1,890 in wages or self-employment income, up to four credits a year, so roughly five years of work in the last ten qualifies most adults.
| Age when you became disabled | Work credits you generally need |
|---|---|
| Before 24 | 6 credits in the 3 years before you became disabled |
| 24 to 30 | Credits for working about half the time between age 21 and when you became disabled |
| 31 and older | 20 credits in the 10 years before you became disabled, plus enough total credits for your age |
The “recent work” part matters as much as the total. If you stopped working years ago, your insured status may have run out, which Social Security calls your “date last insured.” For the full rules, see our guide to Social Security work credits.
Can you still qualify for SSDI if you stopped working years ago?
Yes, if your disability started before your date last insured. Your date last insured is the last day your work record covers you for SSDI, and for someone who worked steadily it usually falls about five years after they stopped working. You can apply after that date passes, but you have to prove you were already disabled while you were still insured.
Here’s how that plays out. Someone who worked full time for ten years and stopped at the end of 2023 would generally stay insured through December 31, 2028. If their condition became disabling in 2026, they’re covered, even if they don’t apply until 2029. If it first became disabling in 2029, they generally wouldn’t qualify for SSDI, though SSI might still be an option.
This is where old medical records matter. When the date last insured has already passed, the claim usually turns on treatment records from before that date, so it helps to gather them early. You can check your earnings record and credits in your Social Security Statement at ssa.gov/myaccount, and missing years are worth correcting because they can cost you credits.
What counts as a disability for Social Security?
For Social Security, a disability is a physical or mental condition that keeps you from doing any substantial gainful activity and that has lasted, or is expected to last, at least 12 months or to result in death. There’s no partial disability and no short-term disability under SSDI.
That definition is stricter than most people expect. It isn’t enough that you can’t do your old job. Social Security also asks whether you could adjust to other work, given your age, education and work history. And a diagnosis alone doesn’t qualify you: your medical records have to show what your condition stops you from doing. Our guide to the medical evidence you need for SSDI explains what that proof looks like.
How much can you earn and still qualify for SSDI?
In 2026, you can earn up to $1,690 a month from work and still qualify for SSDI, or $2,830 a month if you’re blind. Earnings above that limit, called substantial gainful activity, usually mean Social Security won’t find you disabled, whatever your diagnosis.
| Monthly earnings limit (SGA) | 2026 | 2027 |
|---|---|---|
| Not blind | $1,690 | $1,770 |
| Blind | $2,830 | $2,950 |
The limit applies to gross earnings from work, not to income like a spouse’s pay or investment income. Read more in our guide to substantial gainful activity.
Not sure if you qualify for SSDI?
Talk to a disability attorney now. Free consultation. No fees unless you win.
How does Social Security decide if you’re disabled?
Social Security decides whether you’re disabled with a five-step evaluation, in order, and stops as soon as one step settles the claim.
| Step | The question |
|---|---|
| 1 | Are you working above the substantial gainful activity limit? |
| 2 | Is your condition severe, and has it lasted or will it last at least 12 months? |
| 3 | Does it meet or equal a listing in Social Security’s Blue Book? |
| 4 | Can you still do any of your past work? |
| 5 | Can you adjust to other work, given your age, education, work history and limits? |
Many claims are decided at steps four and five, where your specific limits and work history matter most. The Social Security Blue Book lists the conditions that can be approved at step three.
Does your age affect whether you qualify for SSDI?
Yes. If you’re 50 or older, it can be easier to qualify for SSDI because Social Security’s grid rules expect less of older workers when deciding whether they could switch to new work. Social Security treats ages 50 to 54 as “closely approaching advanced age” and 55 and older as “advanced age.”
Age doesn’t qualify you by itself. It matters at step five, once your medical records show real work limits. Our guide to medical-vocational allowances explains how age, education and past work combine.
What if you don’t have enough work credits for SSDI?
If you don’t have enough work credits for SSDI, you may qualify for Supplemental Security Income (SSI) instead. SSI uses the same medical definition of disability but doesn’t require a work history. It’s need-based, so your income and assets have to be under strict limits.
Some people qualify for both programs at once, usually when their SSDI payment is small. Social Security calls those concurrent benefits.
Who usually doesn’t qualify for SSDI?
People usually don’t qualify for SSDI when they’re still earning above the monthly limit, when their condition is expected to improve within 12 months, or when they stopped working so long ago that their insured status expired. A claim can also fall short when the medical records don’t show how the condition limits work.
- Earning above $1,690 a month from work in 2026
- A condition expected to last less than 12 months
- Too few recent work credits (your date last insured has passed)
- Medical records that name a diagnosis but don’t describe work limits
The last one is the most fixable. Many first applications are denied over gaps in the record, and appeals give you the chance to fill them.
How Melanson Law Group helps with SSDI claims
Melanson Law Group is a Social Security disability firm in Cambridge, Massachusetts. The firm is led by Jack Melanson, a retired Social Security judge who decided more than 6,000 disability claims, and Ned Melanson, who handles claims from the first application through reconsideration, hearings and Appeals Council review. We represent clients across all six New England states and nationwide, with free consultations by phone or video. Learn more about our SSDI appeals representation.
There is no fee unless you win. The fee is 25% of your back pay, capped at $9,200. If we win with little or no back pay, we don’t seek any further payment, and clients are not charged for case costs. See how our fees work.
Frequently asked questions
Can I get SSDI if I’m still working?
Only if your earnings stay under Social Security’s substantial gainful activity limit, which is $1,690 a month in 2026 ($2,830 if you’re blind). Earning more than that usually means Social Security won’t consider you disabled, no matter your diagnosis.
Does having a diagnosis mean I qualify for SSDI?
No. A diagnosis is the starting point. To qualify, your medical records have to show that your condition keeps you from working at the substantial gainful activity level and has lasted, or is expected to last, at least 12 months.
What conditions automatically qualify for SSDI?
No condition qualifies automatically. Conditions that meet a listing in Social Security’s Blue Book can be approved at step three, and conditions on the Compassionate Allowances list are processed faster, but you still need enough work credits and medical proof.
How long after I stop working can I still apply for SSDI?
For most people who worked steadily, SSDI coverage lasts about five years after they stop working. You can apply later than that, but only if you can show your disability began before your coverage ended, which Social Security calls your date last insured.
Can I get SSDI and SSI at the same time?
Yes, in some cases. If your SSDI payment is low and your income and assets are within SSI’s limits, you may qualify for both. Social Security calls these concurrent benefits.
If you’re not sure whether you qualify, call (617) 683-1983 or schedule a free consultation.
This article is for general information and is not legal advice. Reading it does not create an attorney-client relationship.
