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Not sure of your MAGI? Build it from your income
Yearly amounts. Fill these in and the MAGI above is worked out for you, with the taxable part of Social Security figured the IRS way.
Enter your age and MAGI to see your deduction.
Your senior deduction for 2026
Plan around the 2025–2028 window.
A Snapshot plan reviews last year’s return, projects 2026 and lays out the year-end moves still open, including where your income lands against the senior deduction and Medicare IRMAA. $299, from a CPA.
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What this doesn’t include
Married filing separately (the deduction isn’t allowed), the requirement that each person have a valid Social Security number, income excluded from AGI that the IRS adds back (foreign earned income, and income from Puerto Rico or U.S. territories), and state tax.
Estimates for 2026 using federal figures only, from the inputs you entered. Not tax advice for your situation and not a guarantee of any result. State taxes, the net investment income tax, AMT and other items are not included. See how this is calculated.