Federal tax (2026 brackets, standard deduction) is combined with state rate for total burden. Up to 85% of SS income may be federally taxable.
SS benefit adjusted from age-67 baseline: −30% at 62, −6.7%/yr before 67, +8%/yr after 67 up to 70. Up to 85% of SS may be taxable. Income assumed to stop at SS claiming age. Estimate only — consult a financial advisor.