Last updated 2026-07-09
TL;DR
Apply for Social Security disability (SSDI or SSI) online at SSA.gov, by phone at 1-800-772-1213, or in person at a local SSA office. The first decision takes 3 to 6 months and needs your medical records, work history, and ID. File early. SSA can pay SSDI back only to 12 months before your application date, so every month you wait can cost you money.
What is Social Security disability and which program should you apply for?
Social Security runs two separate disability programs. Know which one fits before you touch a single form.
SSI (Supplemental Security Income) is needs-based. It pays people who are disabled, blind, or 65 or older and who have limited income and assets. The federal SSI payment in 2025 is $967 a month for an individual [1]. No work history required.
SSDI (Social Security Disability Insurance) runs off your work record. You earn "work credits" from jobs where Social Security taxes come out of your check, and you need a set number to qualify. In 2025 you get one credit for every $1,810 in covered earnings, up to four credits a year [2]. Most people need 40 credits total, with 20 earned in the last 10 years. Younger workers need fewer. See SSDI work credits explained for the full breakdown by age.
Some people qualify for both at once. That's called "concurrent" benefits, and it happens when your SSDI payment is low enough to leave you under SSI's income limits.
Not sure which one applies to you? SSA screens you for both during the application, so you won't lock yourself out by picking wrong.
For a full side-by-side, see SSDI vs SSI: What's the Difference?.
Do you meet SSA's definition of disability?
SSA's definition is narrow, and a serious diagnosis alone doesn't clear it. The legal standard requires that your condition stops you from doing any substantial gainful activity (SGA) and has lasted, or is expected to last, at least 12 months, or is expected to end in death [3].
In 2025 the SGA earnings limit is $1,620 a month for non-blind applicants and $2,700 for blind applicants [4]. Earn more than that from work and SSA usually denies the claim before a medical reviewer ever sees it.
SSA runs a five-step evaluation. Are you working above SGA? Is your condition severe? Does it meet or equal a listing in the Blue Book? Can you do your past work? Can you do any other work? The wrong answer at one of the first four steps ends the review and produces a denial.
The Blue Book (formally the Listing of Impairments) describes conditions that qualify automatically if you meet the exact criteria. Meet a listing in full and the process gets shorter. Miss it and SSA measures your residual functional capacity (RFC), meaning what you can still do physically and mentally, then compares that to jobs in the economy. See What counts as a disability? for the full explanation.
What documents and records do you need before you apply?
Pulling your paperwork together before you start saves weeks. SSA can stall or deny a claim over a missing record, and you don't want a document you already had sitting in a drawer to be the thing that sinks you.
Here's what you'll need.
Personal identification and basics:
- Social Security number (yours, your spouse's, and any dependent children's)
- Birth certificate or other proof of age
- Proof of U.S. citizenship or lawful alien status if applicable
- Military discharge papers (Form DD-214) if you served
- Most recent W-2 or self-employment tax return
Medical evidence:
- Names, addresses, and phone numbers of every doctor, hospital, clinic, and therapist who treated you
- A list of all prescription medications with dosages
- Any medical records you already have (SSA requests records directly, but handing them over speeds things up)
- Lab results, imaging reports, or specialist notes tied to your condition
Work history:
- Names and addresses of employers for the last 15 years
- The type of work you did and the physical and mental demands of each job
- Dates you worked and your earnings
For SSI specifically:
- Bank account numbers and statements
- Property you own (other than your home)
- Life insurance policies
- Vehicle registration
You don't need everything perfect to start. SSA lets you file first and send supporting documents after. But having your medical records and work history ready cuts real time off the process.
What are the three ways to apply for Social Security disability?
Three options, each with real tradeoffs.
Online at SSA.gov. Fastest route for most SSDI applicants [5]. Start, save, and come back any time. The online application covers your initial claim and the Adult Disability Report (Form SSA-3368), which asks about your medical conditions, work history, and daily activities. It's open 24 hours a day. One catch: SSI applications can't always be completed fully online yet, though SSA keeps expanding what's available.
By phone at 1-800-772-1213. SSA reps take applications Monday through Friday, 8 a.m. to 7 p.m. local time. If computers or paperwork are a struggle on your own, this works. Hold times run long, so call early in the morning or later in the week.
In person at a local SSA field office. Walk in or book an appointment. This is often the best move for SSI filers with tangled asset or income situations, for people who need an interpreter, or for anyone with a cognitive impairment who needs help with the forms. Find your office through SSA's office locator.
Whatever you pick, the application date matters. SSA can pay SSDI benefits back to your application date (minus the five-month waiting period) and no earlier than 12 months before you filed. It pays nothing for time before that window. Apply the moment you believe you qualify. The Social Security disability 5-year rule is worth knowing too if you're a returning worker who got SSDI before.
How do you fill out the SSDI application step by step?
The online SSDI application at SSA.gov moves through about a dozen sections. Here's what each major one asks and where people trip.
Step 1: Basic personal information. Name, Social Security number, date and place of birth, citizenship, contact info. Straightforward.
Step 2: Your disabling conditions. List every condition, more than the worst one. Diabetes, depression, and back pain? List all three. SSA evaluates your conditions in combination [3]. Plenty of people hurt their own claim by naming only the one obvious diagnosis.
Step 3: Work history. Describe every job from the past 15 years, the physical demands, the tools or machines you used, and your highest earnings. Be specific and honest. SSA uses this to decide whether you can go back to past work.
Step 4: Medical information. List every provider, clinic, and hospital, the dates you were seen, and whether you're still in treatment. SSA sends records requests to these providers, which is why complete contact info matters so much.
Step 5: Education and training. Your highest grade completed and any specialized training shapes how SSA sizes up what work you might still do.
Step 6: Daily activities (Function Report, Form SSA-3373). This form asks what you can and can't do on a normal day, including cooking, driving, shopping, and socializing. Many applicants blow through it and undersell how much their condition limits them. Answer honestly and in full. If a task causes pain, wipes you out, or takes twice as long as it used to, write that down.
Step 7: Authorization to release medical records. You'll sign a release (Form SSA-827) that lets SSA pull your medical records. Sign it. Refuse and SSA denies the claim for lack of information.
After you submit, print or save your confirmation number. SSA mails a letter confirming receipt within a few days.
How long does the Social Security disability application process take?
The waiting is the hard part. The initial decision averages 3 to 6 months from the day SSA receives your completed application [5]. Some states run longer. The spread is real and maddening.
About 67% of applicants get denied at the initial level [6]. If that's you, you can request Reconsideration, then a hearing before an Administrative Law Judge (ALJ), then the Appeals Council, and finally federal court. Each level adds months or years.
Here's a rough timeline by stage.
| Stage | Typical wait |
|---|---|
| Initial application decision | 3-6 months |
| Reconsideration decision | 3-5 months |
| ALJ hearing scheduled | 12-24 months |
| ALJ decision after hearing | 1-3 months |
| Appeals Council review | 12-18 months |
| Federal district court | 12-24+ months |
Some conditions move faster under SSA's Compassionate Allowances program, which flags serious diagnoses like ALS, pancreatic cancer, and certain rare diseases for approval in as little as 10 days [7]. See Social Security Compassionate Allowances expansion to check whether yours qualifies.
SSDI also carries a five-month waiting period written into the law. Even after SSA approves you, benefits don't start until the sixth full month of your disability [3]. That wait doesn't apply to SSI.
The SSDI application guide goes deeper on each stage if you want it.
What happens after you submit your application?
Once SSA has your application, things move in a set order.
First, your local SSA office checks non-medical eligibility. For SSDI that means your work credits. For SSI it means your income and assets.
Clear that check and SSA ships your file to the Disability Determination Services (DDS) office in your state. DDS uses disability examiners, backed by medical consultants, to decide whether your condition meets SSA's definition. They request your medical records. This is where most of the wait lives.
DDS may schedule a Consultative Examination (CE), a medical appointment SSA pays for with a doctor or psychologist it picks. CEs happen when your own records are incomplete, out of date, or missing a specific assessment SSA needs. Go to the CE if you're scheduled. Skipping it almost always ends in a denial.
When DDS finishes, it sends a recommendation back to SSA, which issues the official decision in writing. Approved? The letter states your monthly benefit and the date benefits begin. Denied? The letter gives the reason and 60 days to appeal (plus 5 days SSA assumes for mail).
You'll need a way to get paid. Most recipients use direct deposit. See SSI and SSDI debit cards and direct deposit for how to set it up.
Should you hire a disability lawyer or representative?
You don't need a lawyer to apply. But the numbers argue for one, especially if you're appealing a denial.
Applicants with an attorney or non-attorney advocate at the ALJ hearing get approved at higher rates than those going it alone. SSA's own data shows represented claimants do meaningfully better at the hearing level [6]. At the initial application stage, representation matters less because the process runs more by formula.
Disability lawyers work on contingency. By law the fee is capped at 25% of your back pay, up to $7,200 (the cap as of 2024, subject to SSA's periodic adjustments) [8]. Lose, and you pay nothing. That structure means a legitimate disability attorney has no reason to take a weak case.
To find a qualified representative, see SSDI lawyer for what to look for and what to ask.
If you want to organize your claim before hiring anyone, DisabilityFiled's guided intake tool walks you through the documentation and produces a structured claim summary you can hand to an attorney or file yourself. Useful if the paperwork has you stuck.
SSI applicants with complicated asset or income situations should look for a lawyer or accredited claims agent who knows SSI's means-test rules cold. They catch the errors that would otherwise trigger a denial.
How much will you receive if you're approved?
SSDI payments come from your lifetime Social Security earnings record, specifically your Average Indexed Monthly Earnings (AIME), run through a formula to get your Primary Insurance Amount (PIA). SSA calculates it automatically, so there's no flat rate.
The average SSDI payment in early 2025 is about $1,580 a month [9]. Higher lifetime earnings mean a bigger check. The most SSDI pays in 2025 is $4,018 a month [9].
SSI is simpler. The federal base rate in 2025 is $967 a month for an individual and $1,450 for an eligible couple [1]. Some states add a supplement on top.
Approval also opens the door to health coverage: Medicare for SSDI recipients after 24 months of benefits, or Medicaid for most SSI recipients right away. For people with serious conditions, that coverage is often worth more than the cash.
One surprise for new applicants: SSDI can be taxable depending on your total income. See Is SSDI taxable? for the full breakdown.
For 2025 payment dates, see SSDI payment schedule 2025.
What are the most common reasons applications get denied, and how do you avoid them?
About two-thirds of initial applications get denied. Most denials fall into a handful of predictable buckets, and knowing them ahead of time helps you dodge them.
Earning above the SGA limit. Still working and pulling in more than $1,620 a month (2025)? SSA stops at step one. You don't have to quit work entirely to apply, but you do need to be under the limit.
Thin medical evidence. This is the single most common reason claims fail. Records that are sparse, out of date, or silent on how your condition limits your functioning give examiners nothing to work with. Treat consistently with your doctors and make sure the records describe your limitations, more than your diagnosis.
Not following prescribed treatment. If your doctor recommended treatment and you skipped it without a good reason (cost, side effects, religious objection), SSA can deny on that basis [3].
Condition won't last 12 months. Short-term or temporary impairments don't qualify. Yours must have lasted or be expected to last at least 12 months.
Not cooperating with SSA. Missing a CE, ignoring DDS calls, or refusing to sign releases all trigger denials.
A Function Report that undersells you. Claimants often describe their best days instead of their typical or worst ones. Write honestly about what the condition costs you day to day.
Get denied and don't quit. Most people who eventually win were denied at least once. The appeal process, and the ALJ hearing especially, approves at a much higher rate than the initial level.
Can you apply for disability if you've never worked or have limited work history?
Yes, through SSI. Because SSI ignores your work record, it's open to people who never worked, haven't worked recently, or never built up enough SSDI credits. You still have to meet SSA's disability definition, but the financial test looks at income and assets, not employment.
The SSI resource limit in 2025 is $2,000 for individuals and $3,000 for couples [1]. Resources include bank accounts, investments, and some property. Your primary home and one vehicle are generally excluded.
Children with disabilities can also qualify for SSI based on the family's income and resources, not their own work history.
Have some work history but not quite enough for SSDI? You may still get SSI while that history is evaluated. SSA assesses both programs at once if you say you want to be considered for both.
For a full walkthrough, see What is SSI?.
What should you do while waiting for a decision?
The wait is long. Here's how to spend it well.
Keep every medical appointment. Gaps in treatment read as red flags to DDS examiners. Consistent treatment builds consistent records, and consistent records are what approvals rest on.
Answer SSA mail fast. DDS often sends forms asking for more information or updates. A missed letter can cost you the claim for non-cooperation even when your medical case is solid.
Keep a symptom journal. Write down your worst days, hospital visits, medication changes, and how the condition hits your daily life. If you land at an ALJ hearing a year or two later, that record beats memory every time.
Check your MySocialSecurity account at SSA.gov. You can track your status there. The portal also shows your earnings record, which you should review for errors. Mistakes in your work record shrink your SSDI payment.
Don't read silence as a denial. SSA is slow. No news in the first four months is normal. The decision comes by written notice.
Approved for SSDI? The five-month waiting period means benefits start the sixth month after your established onset date. Note that date from your approval letter, because it sets when your first check arrives and when Medicare eligibility begins.
Frequently asked questions
Can I apply for Social Security disability online?
Yes. SSDI applications can be completed fully online at SSA.gov. You can start, save, and return any time. SSI online filing is expanding but may not cover every situation. For SSI or complex cases, calling 1-800-772-1213 or visiting a local SSA office may be necessary. The online SSDI application includes the Adult Disability Report and medical record release forms.
How much does it cost to apply for Social Security disability?
Nothing. Applying for SSDI or SSI is free. SSA charges no application fee. If you hire a disability attorney, they work on contingency with fees capped by law at 25% of your back pay, up to $7,200. You pay an attorney nothing if your claim is denied at every level. Avoid anyone who charges upfront fees for a disability application.
What is the phone number to apply for Social Security disability?
Call SSA at 1-800-772-1213, Monday through Friday from 8 a.m. to 7 p.m. local time. You can apply by phone or schedule an in-person appointment at your local field office. TTY service for people who are deaf or hard of hearing is available at 1-800-325-0778. Hold times are usually shorter early in the morning and mid-week.
What is the income limit to qualify for SSDI in 2025?
For SSDI, the Substantial Gainful Activity (SGA) limit in 2025 is $1,620 per month for non-blind applicants and $2,700 per month for blind applicants. Earn more than that from work and SSA denies the claim at step one without evaluating your medical condition. Unearned income like investments or a spouse's earnings does not count toward the SGA threshold.
How far back can Social Security disability benefits be paid?
For SSDI, back pay starts at your established onset date minus the five-month waiting period, but no earlier than 12 months before your application date. That 12-month cap is why filing early matters. For SSI there is no retroactivity at all. SSI benefits begin the month after your application date, not the onset of your disability.
How many work credits do you need to qualify for SSDI?
Most applicants need 40 credits total, with 20 earned in the last 10 years before becoming disabled. In 2025 you earn one credit per $1,810 in covered wages, up to four credits a year. Younger workers need fewer. Someone disabled at 24 may need as few as 6 credits. SSA's age-based credit table sets exactly what you need.
What happens if I miss the 60-day appeal deadline after a denial?
You generally lose the right to appeal that decision and must file a new application. SSA adds a five-day grace period on top of the 60 days for mail. If you missed the deadline for a genuinely good reason (hospitalization, say), you can request late filing with a written explanation. SSA grants these sparingly. Missing deadlines is one of the most damaging mistakes in a disability case.
Can I work part time while applying for Social Security disability?
Yes, as long as your earnings stay below the SGA threshold of $1,620 per month (2025, non-blind). Earning below that limit does not automatically disqualify you. But work activity gets scrutinized. If DDS believes your work shows you can perform substantial activity, it affects the evaluation. Report all work and earnings honestly. Failing to disclose work income can lead to fraud findings.
What is a Consultative Examination and do I have to attend?
A Consultative Examination (CE) is a medical appointment SSA schedules and pays for when your records are incomplete or need a specific assessment. Attend it. Missing a CE without contacting SSA first almost always results in a denial. If the scheduled time genuinely doesn't work, call DDS or the SSA contact on your notice right away to reschedule. Do not simply ignore the appointment.
Does applying for disability affect my regular Social Security retirement benefits?
No, applying for SSDI does not reduce your future retirement benefits. Your SSDI benefit is calculated from the same lifetime earnings record as retirement. If you're approved for SSDI and later reach full retirement age, SSA converts your SSDI to a retirement benefit at the same amount. You don't get both separately; one replaces the other.
Can a disabled child receive Social Security disability benefits?
Yes, through SSI. Children under 18 with a qualifying disability can receive SSI based on the family's income and resources, not their own work history. The medical standard for children differs from adults and focuses on whether the condition causes marked and severe functional limitations. Children don't qualify for SSDI on their own but may receive dependent benefits on a disabled or retired parent's SSDI record.
What is the difference between the application date and the disability onset date?
Your application date is the day SSA receives your claim. Your disability onset date is the date SSA determines your disability actually began. For SSDI back pay, benefits can go back 12 months before your application date (minus the five-month waiting period), so the onset date must predate the application to maximize back pay. SSA sets the onset date from your medical records and work history.
Sources
- SSA.gov, SSI Federal Payment Amounts 2025: Federal SSI payment in 2025 is $967 per month for individuals, $1,450 for eligible couples; resource limit is $2,000/$3,000
- SSA.gov, How You Earn Credits: In 2025, one Social Security work credit is earned per $1,810 in covered earnings, up to four per year
- SSA.gov, Disability Benefits: How We Decide if You are Disabled: SSA's five-step evaluation process, the 12-month duration requirement, the five-month SSDI waiting period, and treatment compliance rules
- SSA.gov, Substantial Gainful Activity: 2025 SGA limits: $1,620/month for non-blind applicants, $2,700/month for blind applicants
- SSA.gov, Apply for Disability Benefits: Online SSDI application available at SSA.gov; initial decisions typically take 3-6 months
- SSA.gov, Office of Hearings Operations and Appeals: Approximately 67% of initial SSDI applications are denied; represented claimants have better outcomes at ALJ hearings
- SSA.gov, Compassionate Allowances: Compassionate Allowances program approves qualifying conditions such as ALS in as little as 10 days
- SSA.gov, Representation of Claimants: Disability attorney fees capped by law at 25% of back pay up to $7,200 (2024 cap, subject to periodic SSA adjustment)
- SSA.gov, Social Security Press Office Fact Sheets: Average SSDI payment in early 2025 is approximately $1,580/month; maximum SSDI benefit in 2025 is $4,018/month
- SSA.gov, Program Operations Manual System (POMS), Definition of Disability: POMS definition: disability requires inability to do SGA due to medically determinable impairment lasting 12 months or expected to result in death