Retirees Must Request Social Security Tax Withholding Through Form W-4V

Social Security benefits are paid without federal tax withholding unless a beneficiary submits Form W-4V. That form lets recipients choose withholding rates of 7%, 10%, 12%, or 22%. A retiree with substantial other income can face a large tax bill in April if no withholding was elected.
Social Security benefits are normally paid without federal tax taken out. Beneficiaries who want withholding must submit IRS Form W-4V and select one of four rates: 7%, 10%, 12%, or 22%. No dollar amount or custom percentage is available.
Taxability depends on provisional income, which combines non-Social Security income with one-half of benefit payments. For joint filers, benefit taxation begins after $32,000 and can reach 85% above $44,000; single thresholds are $25,000 and $34,000. These limits have not been inflation-adjusted.
Retirees with pensions, withdrawals, or other income may face unexpected April balances if they do not elect withholding. Because benefits default to no withholding, some households could struggle to pay a lump sum, while others may need to adjust later-year withholding or estimated payments. The effect may be greatest for those unfamiliar with provisional-income rules or without cash reserves.