Standard Deduction 2025 Married Jointly 65 Years. The standard deduction is a fixed amount that reduces the income subject to federal income tax. Anyone who’s at least 65 years old or legally blind at the end of next year will be able to claim the following additional standard deduction amount for the 2025 tax year:

Single or married filing separately: Seniors aged 65 or older can claim an additional standard deduction on top of the regular standard deduction.