The Social Security Administration published its annual cost-of-living and payroll determinations in the Federal Register on Oct. 26, 2026, fixing the maximum taxable earnings subject to Social Security tax at $192,300 for 2027. High earners will stop paying the 6.2% employee portion on wages above that cap next year, while the 3.6% benefit increase announced Oct. 14 flows to retirees starting in January.

Payroll impact for workers

Employers and employees each pay 6.2% on covered wages up to the annual base. When the cap rises, workers who earn above the old limit see additional paycheck withholding until they hit the new ceiling. Self-employed individuals pay both sides through SECA taxes, though they can deduct the employer-equivalent portion on their federal return.

The Register notice also updates related thresholds: the national average wage index for 2025 is $72,800.33, and Supplemental Security Income maximum federal payments rise to $1,029 per month for an eligible individual in 2027.

Benefit side of the same notice

Retirees already learned on Oct. 14 that benefits will rise 3.6% in 2027, adding about $75 to the average monthly retirement check. SSI recipients see higher payments beginning Dec. 31, 2026. The COLA is automatic—no application is required—and tied to CPI-W inflation as measured by the Bureau of Labor Statistics.

my Social Security account holders can view personalized COLA notices online starting in late November if they enroll in paperless delivery by Nov. 18. Everyone else receives mailed notices in December with dollar amounts and deduction lines spelled out on a single page.

Scammers follow the headline

The SSA Office of the Inspector General warned on Oct. 21 that fraudsters use COLA headlines to push fake “activation” calls and phishing texts. Benefits do not require registration after an announcement, and SSA will not threaten arrest or demand gift cards to release a higher payment.

HR departments should expect employee questions this week as the wage base number circulates. Payroll vendors typically ingest the Register figures automatically, but mid-year hires and bonus-heavy comp plans need a manual check so withholding tables match 2027 limits on the first January paycheck.

Retirement earnings test tweaks

The notice also raises retirement earnings test exempt amounts for beneficiaries who work before full retirement age. Workers who will not reach normal retirement age until after 2027 can earn up to $2,130 per month without benefit reductions; those reaching normal retirement age in 2027 get a $5,660 monthly exempt amount.

Those numbers matter for retirees who pick up part-time work early in the year and want to avoid withheld benefits.

Planning takeaway

For workers, the wage base is a silent raise in payroll tax for anyone between the old and new cap. For retirees, the COLA is real cash starting in January but may be partly offset by Medicare Part B premium changes, which Medicare.gov will post separately.

Keeping scam filters tight and updating payroll systems before Dec. 31 avoids the two headaches—fraud and incorrect withholding—that follow every October COLA season.

High-income earners and Medicare

The wage base change does not by itself alter Medicare Part B income-related monthly adjustment amounts, which use a different income definition from a prior tax return. Retirees waiting on COLA notices should still watch for IRMAA letters in late fall.

Payroll teams should communicate the new cap to employees who max out early in the year; some firms stop withholding Social Security tax once an employee hits the limit, which can make late-year paychecks look larger even though annual tax is unchanged.