Part-time work reduces your SSDI payment dollar-for-dollar once you earn above the monthly limit, but you keep Medicare coverage and can use work incentives to protect some of your income.

Social Security counts your work earnings against your SSDI benefit using a straightforward rule: for every dollar you earn above a threshold, your payment drops by one dollar. In 2024, that threshold is $1,550 per month (the amount changes yearly). If you earn $1,600 a month part-time, Social Security will reduce your benefit by $50. If you earn $2,050, your benefit drops by $500.

The reduction happens in the month you earn the money, not months later. So if you work extra hours in March and earn $2,000, your March SSDI payment will be reduced. In April, if you earn $1,400, you get your full benefit back because you stayed under the limit.

This is different from what many people expect. You do not lose SSDI entirely because you work part-time. You keep your Medicare coverage (usually after 24 months on SSDI, regardless of earnings). And Social Security has built-in work incentives designed to let you test part-time work without losing everything at once.

Key Takeaways

  • Earnings above $1,550 per month reduce your SSDI payment by the same amount, but you do not lose Medicare coverage.
  • The Plan to Achieve Self-Support (PASS) lets you set aside part of your earnings for a specific work goal without counting it against your benefit.
  • The Trial Work Period allows nine months of any earnings level without any benefit reduction, giving you time to test whether part-time work is sustainable.
  • After the Trial Work Period ends, the Extended may be able to access period protects your benefit for 36 more months if earnings drop back below the threshold.
  • You must report your earnings to Social Security by the 15th of the month after you earn them, or your payments will be overpaid and you will owe the money back.

The Trial Work Period: Nine Months to Test Part-Time Work

Social Security gives you a Trial Work Period (TWP) of nine months where you can earn any amount without losing a single dollar of your SSDI benefit. This is the most valuable work incentive available to you. The nine months do not have to be consecutive, and they do not have to be recent—Social Security counts any nine months in the past 60 months where you earned $970 or more (in 2024).

During the Trial Work Period, you report your earnings to Social Security, but your benefit does not change. This is your chance to find out whether part-time work is physically possible for you, whether your condition gets worse when you work, and whether the job is sustainable. Many people use this period to work a few hours a week and see how they feel after a month or two.

Once you have used all nine months of your Trial Work Period, the Extended may be able to access period begins. For the next 36 months, you keep your full SSDI benefit in any month where you earn less than $1,550. If you earn above that threshold in a month, your benefit is reduced that month only. This gives you a safety net: if part-time work becomes too difficult, you can drop back to part-time hours and your benefit returns to full amount.

How the Earnings Threshold Works Month by Month

The $1,550 monthly threshold (called the Substantial Gainful Activity level for SSDI) is the amount Social Security uses to decide whether you are working at a level that would normally mean you are not disabled. It changes every January. You can find the current year's amount on the Social Security website.

The earnings count is straightforward: it includes wages from an employer, net income from self-employment, and certain other payments. It does not include Supplemental Security Income (SSI), food stamps, housing information, or other benefits. If you are self-employed, Social Security counts your net profit (income minus business expenses), not your gross revenue.

Here is how the reduction works in practice. Suppose your SSDI benefit is $1,200 per month and you are past your Trial Work Period. In January you earn $1,400 part-time—your benefit that month is $1,200 (no reduction, because $1,400 is under $1,550). In February you earn $1,800—your benefit drops to $1,200 minus $250 = $950. In March you earn $1,300—your benefit goes back to $1,200. The reduction applies only to the month you earn above the threshold.

Plan to Achieve Self-Support: Protecting Earnings for a Work Goal

The Plan to Achieve Self-Support (PASS) is a work incentive that lets you set aside part of your earnings without counting them against your SSDI benefit. You use it when you have a specific work goal—finishing a degree, getting a professional license, buying equipment for a business, or saving for a car you need to get to work.

Here is how it works: you write a plan that describes your goal, how much money you need to save, and when you will reach the goal (usually 12 to 24 months). You submit the plan to Social Security for approval. Once approved, the money you set aside each month does not count as income for SSDI purposes. So if you earn $2,000 a month and your PASS plan says you are setting aside $600 for a business license course, Social Security counts only $1,400 as your earnings for the month.

PASS is useful if you are working part-time and want to invest in something that will let you work more or earn more later. It requires paperwork and Social Security approval, but it can protect hundreds of dollars a month. You can find PASS process forms and instructions through your local Social Security office or your work incentives planning and information (WIPA) project, which is a free service in every state.

Reporting Your Earnings and Avoiding Overpayment

You must report your earnings to Social Security by the 15th of the month after you earn them. If you earned money in March, you report it by April 15. Social Security uses this information to calculate whether your benefit should be reduced that month.

If you do not report earnings on time, Social Security will overpay you—they will send you a full benefit check when your benefit should have been reduced. You will then owe that money back. The overpayment can be recovered from future benefits, or Social Security may ask you to repay it in installments. Reporting on time prevents this problem.

You can report earnings by phone, mail, or online through your Social Security account. Keep records of what you earned each month (pay stubs, invoices, or a log if you are self-employed). If Social Security questions your earnings later, you will need proof of what you actually earned.

Medicare Continues Even When Your Benefit Is Reduced

One of the biggest advantages of working part-time on SSDI is that your Medicare coverage does not stop when your benefit is reduced by earnings. After you have been on SSDI for 24 months, you become may have access to to Medicare Part A (hospital insurance) and Part B (medical insurance). This coverage continues as long as you remain disabled, even if you earn enough to reduce your benefit to zero.

This means you can work part-time, have your SSDI payment reduced or eliminated by your earnings, and still have health insurance through Medicare. You pay the Part B premium (currently around $175 per month for most people), which is usually deducted from your SSDI benefit or billed to you directly if your benefit is reduced to zero. Part A has no monthly premium.

If you lose SSDI because your earnings are too high for too long, you can usually continue Medicare for up to 93 months (about 7.5 years) by paying the premiums yourself. This is called Extended Medicare Coverage and gives you time to see whether the job works out before you lose health insurance.

When Part-Time Work Might End Your SSDI

SSDI can end if you earn above the Substantial Gainful Activity level ($1,550 in 2024) for nine consecutive months after your Extended may be able to access period ends. This is called the Expedited Reinstatement period. If you work above that level for nine months straight, Social Security will send you a notice that your SSDI is ending.

However, if you stop working or drop your earnings below $1,550 within five years of the date your SSDI ended, you can request Expedited Reinstatement and get your SSDI back without going through the full process process again. This is a safety net for people who try part-time work, find it is not sustainable, and need to return to SSDI quickly.

The key point: part-time work at modest earnings (under $1,550 per month) will not end your SSDI. It will reduce your benefit, but you stay on the rolls and keep Medicare. Only sustained high earnings over many months will trigger termination, and even then you have a window to get reinstated if you need to.

Frequently Asked Questions

Can I work part-time and still get my full SSDI benefit?

Yes, during your nine-month Trial Work Period you can earn any amount without losing any benefit. After that, you get your full benefit in any month you earn less than $1,550. If you earn above that, your benefit is reduced by the amount over the threshold.

Do I have to tell my employer I am on SSDI?

No. Your SSDI status is confidential. You do not have to disclose it to your employer. You only have to report your earnings to Social Security by the 15th of the month after you earn them.

What happens if I earn a lot one month and very little the next?

Each month is calculated separately. If you earn $2,500 in January, your benefit is reduced that month. If you earn $1,000 in February, you get your full benefit in February. There is no averaging across months.

Can I use a PASS plan while I am still in my Trial Work Period?

Yes. A PASS plan can run at the same time as your Trial Work Period. The money you set aside in your PASS does not count as earnings, so you can earn more total income and still protect part of it for your work goal.

What if I become unable to work part-time after a few months?

If you stop working or drop below the earnings threshold, your SSDI benefit returns to its full amount. You do not lose SSDI because you tried to work and found you could not sustain it. The work incentives are designed to let you test work without permanent consequences.