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U.S. Office of Personnel Management - Recruiting, Retaining and Honoring a World-Class Workforce to Serve the American People

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Retirement Information & Services

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Compute the Tax-Free Portion
of Your Federal Retirement Benefit

Calculating the tax-free portion of your benefit is easy. Answer these questions for your computation. Select "Help" if you need it.

Choose all that apply:


Read about how the tax-free part of your annuity is determined.

Figure your monthly federal income tax withholding

Please contact us at for information or assistance.