IRS Taxes Up to 85% of Social Security Above $34,000 for Single Filers
Updated
Updated · 24/7 Wall St. · Jun 18
IRS Taxes Up to 85% of Social Security Above $34,000 for Single Filers
3 articles · Updated · 24/7 Wall St. · Jun 18
Summary
$34,000 in combined income is the key IRS threshold where single filers can see up to 85% of Social Security benefits become taxable, with lower bands at $25,000 and 50% taxation.
Combined income includes adjusted gross income, nontaxable interest and half of Social Security benefits, so pensions, IRA withdrawals or even muni-bond interest can push retirees over the line.
A retiree with a $32,000 pension, $24,000 in Social Security and a $5,000 IRA withdrawal would reach $49,000 in combined income, making about $17,250 of benefits taxable under the IRS worksheet.
Those thresholds have not been indexed since 1984, even as CPI-W has risen to 328.8 in May 2026, pulling more middle-income retirees into the 85% zone over time.
Roth conversions before claiming benefits, careful withdrawal sequencing and limiting AGI-heavy income sources can reduce how much of Social Security gets exposed to tax.