How the Social Security Disability Offset Works

The Social Security disability offset reduces your SSDI check when you also collect workers’ compensation or certain other public disability benefits, so that the combined monthly total doesn’t exceed 80 percent of what you earned before you became disabled. Only the SSDI portion gets cut; the workers’ compensation payment stays intact. The reduction lasts until the overlapping benefit ends or you reach full retirement age, whichever comes first.¹

What Triggers the Offset

Two categories of payments count against your SSDI under 42 U.S.C. § 424a. The first is workers’ compensation. If you were injured on the job and receive periodic wage-replacement payments, they trigger the offset regardless of whether the disability is temporary, permanent, partial, or total. Lump-sum workers’ compensation settlements count too, converted into a monthly rate.¹

The second is public disability benefits paid from federal, state, or local government programs based on disability. Civil service disability pensions, state retirement disability options, and federal programs like the Federal Employees’ Compensation Act and the Longshore and Harbor Workers’ Compensation Act all fit. The test is whether the payment comes from a public fund and is disability-based.

What Doesn’t Count

Several disability payments are exempt. VA disability compensation and pensions never reduce SSDI, and SSDI never reduces them.² Supplemental Security Income is exempt because it’s needs-based rather than insurance-based. Private disability insurance, whether individual or employer-provided, doesn’t trigger the federal offset either.

One direction of that last point often surprises people. Private long-term disability insurers can’t reduce your SSDI, but nearly every private policy contains its own offset clause that cuts the insurer’s check by the amount you get from Social Security. That reduction is contractual, between you and the insurer, and the SSA plays no role in it.

How the 80 Percent Cap Is Calculated

Your SSDI plus your workers’ compensation or public disability benefit cannot exceed 80 percent of your “average current earnings” from before the disability began. If the total goes over, the SSA reduces the SSDI portion by the excess.³

Average current earnings is the number that decides how much you keep. A higher figure means a higher cap and a smaller offset. The SSA calculates it three ways and uses whichever produces the highest result:¹

The average monthly wage already used to compute your SSDI benefit.
One-sixtieth of your total wages and self-employment income during the five consecutive calendar years after 1950 in which you earned the most.
One-twelfth of your total wages and self-employment income during your single highest calendar year, chosen from the year your disability began or the five years immediately before it.

The single-highest-year method often wins for workers whose earnings were climbing before the disability. The five-year average tends to favor workers with steadier incomes.

A Worked Example

Say your average current earnings come to $5,000 per month. Eighty percent of that is $4,000, so the combined cap is $4,000. If your SSDI is $1,800 and your workers’ compensation is $2,500, the two together are $4,300. That’s $300 over. The SSA reduces your SSDI by $300, dropping it to $1,500. Workers’ comp stays at $2,500. Combined total: $4,000, right at the cap.³

There’s a floor built into the rule. The SSA won’t reduce your SSDI below what your family’s total Social Security benefit would have been before any offset. The formula uses whichever is higher, the 80 percent figure or the original total benefit, as the minimum.

Recalculation Every Three Years

Every three years, the SSA recalculates your average current earnings to reflect national wage growth. Your original figure gets multiplied by a wage-growth ratio, and 80 percent of the updated number becomes your new cap. If wages have gone up, your cap rises and the offset can shrink or disappear. The redetermined amount takes effect in January of the year it’s due.⁴

This happens automatically. You don’t file anything. But if your offset amount hasn’t budged in years, call the SSA and confirm the redetermination actually ran. These get missed.

Lump-Sum Settlements

Workers’ comp cases often end in a single settlement rather than ongoing weekly checks. The SSA doesn’t ignore lump sums. It converts them into a periodic rate and applies the offset as if you were receiving that rate monthly.

The standard method divides the gross lump sum by the weekly workers’ comp rate that was being paid or would have been payable. That produces the number of weeks the settlement is deemed to cover, and the offset applies for that period.⁵ When the settlement doesn’t specify a weekly rate, or is structured as a lifetime payment, the SSA can prorate it over your life expectancy using actuarial tables.⁶

Spread Language

How your settlement is drafted matters enormously here. If the agreement contains specific language spreading the lump sum over your remaining life expectancy, the monthly amount used for the offset will be small. If it spreads over a shorter period, the monthly amount will be large and the offset heavy. A $200,000 settlement spread over 30 years produces a very different offset than the same $200,000 spread over 5 years. Attorneys call this “spread language,” and getting it right can preserve hundreds of dollars a month in SSDI for years.

Costs You Can Subtract

Before the offset is calculated on a lump sum, certain expenses can be excluded from the gross amount. Attorney fees paid to obtain the workers’ compensation settlement qualify, as do liens for unpaid medical bills. These come off the top and reduce what the SSA runs through the formula.⁷

Repayment of private loans, back taxes, child support, and alimony don’t qualify. The SSA treats those as personal obligations and leaves them in the gross figure.⁷

Reverse Offset States

In most states, the SSA takes the offset out of your SSDI. About fifteen states flip that: the state workers’ comp program absorbs the reduction, and your SSDI stays whole. The SSA calls this a “reverse offset.”⁸

The catch is timing. The SSA only recognizes reverse offset plans that were in effect on or before February 18, 1981. States that adopted reverse offset laws after that date don’t count; the federal offset applies anyway. What matters is where the workers’ compensation is paid, not where you live.¹

States with recognized reverse offset plans for at least some categories of workers’ compensation: Alaska, California, Colorado, Florida, Louisiana, Minnesota, Montana, New Jersey, New York, North Dakota, Ohio, Oregon, Washington, and Wisconsin. For public disability benefits, Hawaii, Illinois, New Jersey, New York, and Puerto Rico have reverse offset provisions.⁸

If your workers’ compensation was paid in one of these states, you keep your full SSDI and the workers’ comp insurer takes the hit instead. Everywhere else, the federal rule applies.

Reporting the Other Benefit

You are required to tell the SSA when you start receiving workers’ compensation or a public disability benefit, when the amount changes, when a lump-sum settlement is paid, and when the payments stop. Skipping this creates overpayments the government will eventually recover.⁹

You can report through your “my Social Security” account online, by calling 1-800-772-1213 (TTY 1-800-325-0778), in person at your local field office, or by mail. Send award letters, settlement agreements, and documentation of attorney fees and medical liens. The SSA needs start dates, gross monthly amounts, and the terms of any lump-sum distribution. Once processed, you get a Notice of Change in Payment showing the new SSDI amount, the effective date, and the reasoning.

If the SSA Recovers an Overpayment

When the offset isn’t applied in time, usually because reporting was delayed or the SSA sat on the information, the agency determines you were overpaid and collects it back. Recovery methods include reducing future SSDI checks, withholding tax refunds, or demanding a direct refund.¹⁰

You can ask for a waiver if the overpayment wasn’t your fault and repayment would either defeat the purpose of Social Security benefits or be against equity and good conscience. The SSA must consider physical, mental, educational, or language limitations when deciding fault.¹⁰ Reporting the workers’ comp on time and having the SSA fail to act helps a waiver request. Never reporting it makes the “without fault” argument much harder.

Challenging a Wrong Offset

Offset calculations get botched more often than you might think. Common errors: the wrong earnings figure, ignored excludable expenses, or a federal offset applied when a reverse offset state should have taken the reduction.

You have 60 days from the day you receive the Notice of Change in Payment to request reconsideration. The SSA presumes you got the notice 5 days after the printed date, making the working deadline 65 days from that date.¹¹ File Form SSA-561 at your local office or by mail.¹² Attach the documents that support your version: corrected earnings records, the settlement showing excludable expenses, proof of a reverse offset state. Missing the deadline isn’t fatal, but you’ll need to show good cause.

When the Offset Ends

The offset stays in place as long as you’re collecting both SSDI and the overlapping workers’ compensation or public disability benefit. It ends when the other benefit stops or when you reach full retirement age, whichever comes first. Full retirement age ranges from 66 to 67 depending on birth year; for anyone born in 1960 or later, it’s 67.¹³

At full retirement age, SSDI automatically converts to Social Security retirement benefits, which are not subject to the workers’ compensation offset. The reduction disappears and your full retirement benefit begins. If workers’ compensation is still coming in, you keep both amounts in full.¹

1
Office of the Law Revision Counsel. 42 USC 424a – Reduction of Disability Benefits
2
Social Security Administration. Information for Military and Veterans – Section: SSDI and VA Disability
3
Social Security Administration. Social Security Handbook – Reduction to Offset Workers Compensation or Public Disability Benefits
4
Social Security Administration. POMS DI 52170.015 – Form SSA-3643 Offset Worksheet Triennial Redetermination
5
Social Security Administration. POMS DI 52170.030 – Manual Proration of Lump Sum Awards
6
Social Security Administration. POMS DI 52150.065 – Complex Lump Sum Awards and Settlements
7
Social Security Administration. POMS DI 52150.060 – Prorating a Workers Compensation/Public Disability Benefit Lump Sum Settlement
8
Social Security Administration. POMS DI 52105.001 – Reverse Offset Plans
9
Social Security Administration. Reporting Responsibilities for Disability Insurance Benefits – Form SSA-16-INST
10
Office of the Law Revision Counsel. 42 USC 404 – Overpayments and Underpayments
11
Social Security Administration. POMS GN 03101.010 – Time Limit for Filing Administrative Appeals
12
Social Security Administration. Request for Reconsideration
13
Social Security Administration. Retirement Benefits