Internal Revenue Service United States Department of the Treasury
Level Basic Advanced Military International

Social Security Workout

Finding the Taxable Portion

Case Study 1: Taxable Social Security Benefits

Wanda and Dan are both retired and will file a joint return. Wanda received Form SSA-1099 with $4,300 in box 5. Dan retired from the railroad and his Form RRB-1099 shows $6,800 in box 5. Wanda and Dan will use the combined benefits of $11,100 and only one calculation to determine if any of their benefits are taxable.

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Form 1040, lines for Social Security benefits and taxable amount.
Pub 4491 Social Security Benefits
Publication 4012, Railroad Retirement, Civil Service and Social Security Benefits

Pub 4491 Social Security Benefits

Publication 4012, Railroad Retirement, Civil Service and Social Security Benefits