Glossary term
Windfall Elimination Provision (WEP)
The Windfall Elimination Provision was a now-repealed Social Security rule that reduced certain worker benefits for people who also received pensions from non-covered employment.
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What Was the Windfall Elimination Provision?
The Windfall Elimination Provision, or WEP, was a Social Security rule that reduced certain worker retirement or disability benefits for people who also received a pension from employment not covered by Social Security taxes. Commonly affected workers included some state and local government employees, teachers, police officers, firefighters, and workers with foreign or other non-covered pensions.
WEP is now primarily a historical and planning term. The Social Security Fairness Act ended WEP and the Government Pension Offset for benefits payable after December 2023. SSA implemented retroactive payments and higher monthly benefits for affected beneficiaries in 2025.
Key Takeaways
- WEP was designed to adjust Social Security benefits for workers with non-covered pensions.
- It reduced the worker's own Social Security benefit, not a spouse or survivor benefit.
- The Government Pension Offset was the related rule for certain spousal and survivor benefits.
- The Social Security Fairness Act repealed WEP for benefits payable after December 2023.
- People affected before repeal may still need WEP records for old benefit periods, retroactive payments, tax reporting, and benefit verification.
How WEP Worked Before Repeal
Social Security's benefit formula is progressive, meaning it replaces a higher share of earnings for lower lifetime earners. WEP changed that formula for workers who had both Social Security-covered earnings and a pension from work where Social Security taxes were not withheld. The policy argument was that the regular formula could otherwise treat some workers with non-covered pensions as if they were lower lifetime earners than they really were.
In practice, WEP often surprised retirees. Someone could work enough years in Social Security-covered employment to qualify for benefits, then see the calculated benefit reduced because of a separate non-covered pension.
Current Status
For current planning, the key point is repeal. The Social Security Fairness Act ended WEP and GPO for monthly benefits payable after December 2023. SSA reported implementation activity in 2025, including retroactive payments and higher monthly benefit amounts for many affected beneficiaries.
That means WEP should not be treated as an active reduction for new post-repeal benefit months. However, historical WEP calculations can still matter when reviewing past benefit amounts, retroactive adjustments, notices, tax forms, or SSA records.
Planning Context
Retirees and near-retirees who were previously affected should review SSA notices, direct deposit records, Medicare premium withholding, and tax reporting for retroactive payments. A lump-sum payment can affect cash flow and may have tax consequences depending on the year and reporting treatment.
Public-sector workers should also distinguish between pension income, Social Security benefits, and any state or local retirement system rules. WEP repeal changes federal Social Security offsets; it does not rewrite every pension plan rule.
The Bottom Line
The Windfall Elimination Provision was a Social Security formula adjustment for people with non-covered pensions, but it has been repealed for benefits payable after December 2023. The term still matters because affected retirees may need to understand old reductions, retroactive payments, and the difference between WEP, GPO, and their own pension plan rules.