What are line 3 SOCIAL SECURITY WAGES & line 5 MEDICARE WAGES?

[xmasbaby0]

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[dweelea]

Line 3 is the amount of your income that is subject to Social Security tax.  Line 5 is the amount of your income that is subject to Medicare tax.  In many cases, lines 3 and 5 are the same as line 1 (your gross income).  They may be different if you have certain payroll deductions.

[Anita01]

Those are the amounts of your wages on which social security and medicare are collected.  Just like Box 1 shows the amount of your wages on which Federal income tax is collected.Box 3 and 5 may or may not be equal to box 1 if, for example, your have medical insurance deducted from your line 1 amount, or have contributions to a retirement plan like a 401k deducted.