If you receive SSDI and want to work — or if you're applying while still employed — one number shapes almost every decision you make: the Substantial Gainful Activity (SGA) limit. For 2025, the SGA amount for non-blind SSDI recipients is $1,620 per month.
That figure isn't arbitrary. It's the line the Social Security Administration uses to decide whether someone is working at a level that conflicts with a finding of disability. Understanding how it applies — and where it doesn't — is essential for anyone navigating SSDI.
Substantial Gainful Activity is SSA's measure of meaningful work. The agency defines it as work that is both "substantial" (involves significant physical or mental effort) and "gainful" (done for pay or profit, or intended to be profitable).
The SGA threshold serves two distinct functions depending on where you are in the SSDI process:
1. At the application stage: SSA checks whether you're currently performing SGA as one of the very first steps in its five-step evaluation process. If your gross earnings exceed the SGA limit in the month you apply — or during the period you claim disability — SSA may deny your claim at Step 1 without ever reviewing your medical evidence.
2. After approval: Once you're receiving SSDI, consistently earning above SGA can trigger a Cessation of Benefits. It signals to SSA that you may no longer be disabled under their definition.
| Category | 2025 Monthly SGA Limit |
|---|---|
| Non-blind SSDI recipients | $1,620 |
| Blind SSDI recipients | $2,700 |
The higher threshold for blind recipients reflects a statutory distinction Congress built into the Social Security Act. These figures adjust annually based on changes in the national average wage index, so they shift slightly most years.
Gross wages aren't always the final word. SSA can apply work incentive deductions that reduce the countable earnings figure before comparing it to the SGA threshold. These include:
This means two people earning identical gross wages can land on opposite sides of the SGA line depending on their expenses and work arrangements. 💡
One of the most important distinctions in SSDI is the Trial Work Period (TWP). Once approved for SSDI, you're entitled to nine months (within a rolling 60-month window) during which you can test your ability to work without triggering a benefits review — regardless of how much you earn.
In 2025, a month counts as a Trial Work Period month if you earn more than $1,110 or work more than 80 hours in self-employment. These months don't have to be consecutive.
During your TWP, the SGA limit doesn't apply. You can earn $3,000 a month and still receive your full SSDI check. The SGA threshold becomes relevant again after your nine Trial Work Period months are used — during the Extended Period of Eligibility (EPE), which covers the 36 months that follow.
Once your Trial Work Period ends, SSA reviews your work activity month by month. During the Extended Period of Eligibility:
If SSA determines you've been consistently performing SGA after your TWP, it will issue a cessation notice. You have appeal rights, and there's typically a grace period of three benefit payments after the first month of SGA following your TWP.
The SGA limit only measures work activity. It has no bearing on:
Earning below SGA doesn't automatically mean SSA considers you disabled. The medical evidence still carries the case.
The same $1,620 limit can mean very different things depending on:
A person with high out-of-pocket disability-related work costs who earns $1,800 a month might land below SGA after deductions. Someone earning $1,500 in straightforward wages might have no deductions and sit just under the line. The gross figure is the starting point — not always the ending point.
The $1,620 threshold is one of the most clearly defined numbers in the entire SSDI program. What it means for your specific benefit, your current claim status, and your ability to work without interruption depends entirely on details that vary from one person to the next.