SSDI uses gross income for most decisions, but net income matters in specific situations

Social Security counts your gross income—the money you earn before taxes and deductions—when deciding whether you can work and still receive SSDI. But in a few real situations, they look at net income instead: the money left after taxes, mandatory deductions, and certain work expenses come out. This matters because net income is lower, which can mean the difference between keeping your benefits and losing them.

The main time SSDI switches to net income is when you're self-employed. If you run your own business, work as a contractor, or freelance, Social Security subtracts your actual business expenses from what you earned. They also count the net profit from your business toward your earnings limit, not the gross revenue.

A second situation involves impairment-related work expenses (IRWEs). If you have a disability and pay for something that lets you work—a wheelchair ramp at your office, a sign language interpreter, special transportation—Social Security can subtract those costs from your income when they calculate whether you're working too much.

Key Takeaways

  • SSDI normally counts gross income, but self-employed people report net profit after business expenses are subtracted.
  • If you pay for disability-related work expenses out of pocket, Social Security may subtract them from your income when checking your earnings limit.
  • You must report all income changes to Social Security, whether you're calculating gross or net.
  • Keeping records of business expenses and work-related disability costs helps you report accurately and protects your benefits.

How self-employment income works differently

When you're self-employed, Social Security does not count every dollar you bring in. Instead, they count your net profit—what's left after you subtract legitimate business expenses. This is the same number you report to the IRS on Schedule C of your tax return.

Business expenses that reduce your net income include rent for your office or workspace, supplies, equipment, utilities, insurance, and wages you pay to employees. Meals and entertainment are deductible at 50 percent. You cannot subtract your own salary or draw, because that is not an expense—it is your profit.

Social Security wants to see your tax return or business records to verify your net profit. If you have not filed taxes yet, they may ask you to estimate your net income for the year. Once you file your return, you must report the actual net profit to Social Security so they can update your record.

What counts as an impairment-related work expense

An impairment-related work expense is something you buy or pay for specifically because of your disability, and it lets you work. Social Security will subtract it from your income when they check whether you have earned too much to keep your benefits.

Common examples include a personal attendant or home health aide who helps you get ready for work, transportation costs beyond what a non-disabled person would pay (like a wheelchair-accessible van or specialized taxi service), medical devices or equipment you use at work, prosthetics, orthopedic shoes, or prescription medications you need to work. Therapy or counseling related to your disability can count if it directly supports your ability to work.

The expense must be something you pay for yourself, not something your employer or insurance covers. And it has to be necessary because of your specific disability—not just helpful or convenient. If you wear glasses and your disability is not vision-related, glasses do not count. If your disability is blindness and you need a screen reader for your computer, that does count.

How to report these deductions to Social Security

You do not automatically get these deductions. You have to tell Social Security about them, and you need to be ready to prove they are real.

For self-employment income, report your net profit on the earnings report Social Security sends you each year. Include a copy of your tax return (Schedule C) or, if you have not filed yet, a statement of your estimated net profit with a list of your business expenses. Keep receipts and records in case Social Security asks to verify.

For impairment-related work expenses, contact your local Social Security office and ask to speak with someone about IRWEs. You will need to describe the expense, explain why your disability makes it necessary, and show proof of what you paid. A receipt, invoice, or bank statement usually works. Social Security may ask your doctor to confirm that the expense is related to your disability.

When net income affects your benefit amount

Reducing your income through net calculations or work expenses can affect your benefits in two ways. First, it can keep you below the substantial gainful activity (SGA) limit—the earnings threshold above which Social Security assumes you can work and may stop your benefits. For 2024, that limit is $1,550 per month for non-blind adults (the amount changes each year).

Second, if you are in a trial work period or receiving benefits under a work incentive program, your net income determines how much of your benefit you keep. The lower your net income, the more of your SSDI payment you receive.

This is why accurate reporting matters. If you underreport expenses or income, Social Security may overpay you and ask for the money back later. If you overstate expenses, you could lose benefits you were may have access to to keep.

Documents you need to keep

For self-employment, keep copies of your tax returns for at least three years. Also keep a straightforward record of your monthly income and expenses—a spreadsheet or notebook works fine. Social Security may ask to see this when you report your earnings.

For impairment-related work expenses, keep receipts, invoices, and bank or credit card statements showing what you paid. If you pay someone (like an attendant) regularly, keep a log with dates, amounts, and what the money was for. If a doctor's statement supports the expense, keep that too.

When you report earnings to Social Security, keep a copy of what you submitted. If there is ever a question about your income or deductions, you will have proof of what you reported and when.

Frequently Asked Questions

Does Social Security count taxes and deductions from my paycheck?

No. SSDI counts your gross pay before taxes, Social Security withholding, or health insurance premiums come out. Only self-employed people and those claiming impairment-related work expenses get to subtract costs from their reported income.

If I have a business loss, can I subtract it from other income?

Social Security counts your net profit from self-employment. If your business loses money in a given month or year, your net income for that period is zero—you cannot use a business loss to reduce wages from another job or other income sources.

What if I pay for a disability expense but my insurance covers part of it?

You can only deduct the amount you paid out of pocket. If insurance covers $500 of a $1,000 expense and you paid $500, you deduct $500. Report what you actually paid, not the full cost of the service or item.

Do I need to report impairment-related work expenses every month?

You report them when you report your earnings. If your expenses stay the same each month, you can report them once and Social Security will explore the deduction to future months. If they change, tell Social Security right away.

Can I deduct childcare costs as a work expense?

Only if your disability makes childcare necessary for you to work. For example, if you have a cognitive disability and need someone to help you manage childcare while you work, that cost may count. General childcare so you can work does not count unless your specific disability creates that need.