Someone Earning $1 Million Finishes Paying Social Security Tax for 2027 on March 12. The Average Retiree’s Raise That Year Is $75 a Month.

March 12, 2027, is the day someone paid $1 million a year stops paying Social Security tax for the year, by Barchart's arithmetic. Someone paid $60,000 keeps paying on every check through Dec. 31. Both facts come from one document: the Social Security Administration's (SSA) 2027 cost-of-living adjustment (COLA) fact sheet, released Oct. 14, 2026, which set the 2027 maximum taxable earnings for Social Security at $192,300, up from $184,500 in 2026.

The mechanism is simple. Employees pay 6.2% of their wages toward Social Security's retirement and disability programs, and their employer pays another 6.2%. The tax applies to the first $192,300 of wages in 2027 and to nothing above that. The 7.65% employee rate printed on the fact sheet includes a separate 1.45% Medicare tax, which has no cap and is not part of this calculation. The most any employee will pay into Social Security in 2027 is therefore 6.2% of $192,300, or $11,922.60. Self-employed workers pay both halves — 12.4% — for a maximum of $23,845.20. The tax falls on wages and self-employment income only; investment income has never been subject to it.

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Spread a salary evenly across a 365-day year and the cap arrives on a predictable day. At $500,000 a year, cumulative wages pass $192,300 on May 21. At $1 million, the day is March 12. At $5 million it is Jan. 15, and at $50 million it is Jan. 2. Anyone paid in biweekly installments at $1 million a year clears the cap on the fifth paycheck. A worker earning $60,000 pays $3,720 for the year and is never done early. A worker earning exactly $192,300 and a worker earning $10 million pay the same $11,922.60, which is 6.2% of the first worker's pay and about 0.12% of the second's.

The same fact sheet, on the same day, announced the other number. Benefits rise 3.6% for 2027, and the SSA estimates the average retired worker's monthly check goes from $2,095 to $2,170, a raise of $75 a month or $900 a year. The maximum benefit for someone retiring at full retirement age rises to $4,188 a month. Barchart has already covered what retirees actually keep of the 2027 raise once Medicare premiums are taken out, so this piece does not repeat that math.

How much pay sits above the line is a matter of record. The SSA's Office of the Chief Actuary reports that roughly 6% of covered workers earn more than the taxable maximum in a given year, 6.5% in 2021, the latest year on its population profile. Because those earners are paid far above the cap, the untaxed share of wages is larger than the share of workers; the Congressional Research Service has estimated that about one-sixth of all covered earnings fall above the maximum in recent years.

The reason the two numbers get compared is the program's balance sheet. The 2026 Trustees Report, released in June 2026, projects that the retirement trust fund's reserves run out in 2032, after which incoming payroll taxes would cover 78% of scheduled benefits, a shortfall Barchart has described as an automatic 22% cut. Combined with the disability fund, the trustees put the depletion date at 2034 and the payable share at about 83%. Those are projections under the trustees' intermediate assumptions, not scheduled events.

The cap itself is not a policy choice made each year. By law it is indexed to the national average wage index, which is why it rose $7,800, or 4.2%, for 2027. Proposals to change it exist. The Social Security 2100 Act, sponsored by Rep. John Larson, would apply the payroll tax to wages above $400,000; the Social Security Expansion Act, sponsored by Sen. Bernie Sanders and Sen. Elizabeth Warren, would apply it above $250,000. Other proposals leave the tax where it is and address the shortfall on the benefit side, including by raising the full retirement age. None have passed.

So, the 2027 calendar reads like this. On Jan. 2, a $50 million earner will have paid the year's Social Security tax in full. On March 12, a $1 million earner will have done the same. On Dec. 31, a $60,000 earner will make the last of a year's worth of payments totaling $3,720. And every month of that year, the average retired worker's check will be $75 larger than it was in 2026.