One of the most important numbers in the SSDI program is the monthly income limit — the threshold that separates "working at an acceptable level" from "working too much to qualify for benefits." Understanding how this limit works, what counts toward it, and how it's applied at different stages of your claim is essential whether you're applying, already approved, or considering a return to work.
The SSA uses a standard called Substantial Gainful Activity (SGA) to measure whether someone is working at a level considered incompatible with being disabled. If your earnings exceed the SGA threshold, the SSA generally considers you capable of substantial work — which affects both eligibility and continued benefits.
For 2025, the SGA limits are:
| Beneficiary Type | Monthly SGA Limit (2025) |
|---|---|
| Non-blind disability | $1,620/month |
| Blind disability (statutory) | $2,700/month |
These figures adjust annually based on changes in national average wages. The blind SGA limit has always been set higher by law, reflecting a separate statutory standard.
⚠️ Important distinction: SGA applies to earned income from work activity — wages, self-employment profit, and certain other compensation. It is not the same as unearned income like investment returns, rental income, or spousal support, which generally don't count toward the SGA threshold.
The SGA threshold isn't a single gate — it operates differently depending on where you are in the SSDI process.
If you're applying for SSDI and currently working, the SSA will first check whether your earnings exceed SGA. If they do, your application is typically denied at step one of the five-step sequential evaluation process — before the SSA even reviews your medical records.
Earning above SGA while applying doesn't automatically mean you should stop working, but it does mean the SSA will likely conclude you are not disabled under program rules.
Once you're approved and receiving SSDI, the income limit works differently. The SSA provides a Trial Work Period (TWP) — nine months (not necessarily consecutive) within a rolling 60-month window — during which you can test your ability to work without losing benefits, regardless of how much you earn.
In 2025, a month counts as a trial work month if you earn more than $1,110 (this threshold also adjusts annually).
After exhausting your nine trial work months, the SSA evaluates whether your earnings exceed SGA. If they do consistently, your benefits may stop.
After the TWP ends, a 36-month Extended Period of Eligibility begins. During this window, you can receive benefits for any month your earnings fall below SGA — even if benefits had stopped due to high earnings. This safety net matters for people whose work capacity fluctuates.
Not all money received equals countable earnings under SGA rules. The SSA may apply work incentive deductions that reduce your countable income:
These deductions can significantly change whether your earnings technically exceed SGA, which is why gross pay and countable earnings are not always the same number. 💡
For self-employed SSDI recipients, SGA isn't simply measured by income. The SSA uses a combination of factors — net earnings, hours worked, and the value of services performed — to assess whether work activity is substantial. Someone earning less than the SGA threshold through self-employment can still be found to be performing SGA if their work activity and role in the business reflect substantial involvement.
The SGA limit is a fixed number, but how it applies to any individual varies considerably:
The 2025 SGA figures tell you where the line is. Whether you're above or below it — and what that means for your specific claim — depends on your earnings structure, your place in the SSDI timeline, any applicable deductions, and how the SSA evaluates your particular work activity.
That gap between the program rule and your personal situation is where outcomes actually get decided.