Updated October 30, 2026. Quick answer: The Social Security wage base, also called the taxable maximum or contribution and benefit base, is $184,500 for 2026, up from $176,100, per the Social Security Administration. It is the most annual earnings on which Social Security (OASDI) tax is paid, and the most counted for benefits. The 2027 base has its own page, the Social Security wage base for 2027.
The 2026 base
The Social Security Administration published the figure in the Federal Register: “The OASDI contribution and benefit base is $184,500 for remuneration paid in 2026 and self-employment income earned in tax years beginning in 2026.”
| Year | Taxable maximum | Source |
|---|---|---|
| 2025 | $176,100 | Current base in the SSA computation for 2026 |
| 2026 | $184,500 | SSA Federal Register notice of November 3, 2025 |
SSA describes what the base does: “The OASDI contribution and benefit base serves as the maximum annual earnings on which OASDI taxes are paid.” “It is also the maximum annual earnings used in determining a person’s OASDI benefits.”
How SSA computes it
The base is formula-driven, not a policy choice each year. The notice explains: “Under the formula, the base for 2026 is the larger of: (1) the 1994 base of $60,600 multiplied by the ratio of the national average wage index for 2024 to that for 1992; or (2) the current base ($176,100).” If the result is not a multiple of $300, SSA rounds it: “If the resulting amount is not a multiple of $300, we round it to the nearest multiple of $300.”
The notice then does the arithmetic: “Multiplying the 1994 OASDI contribution and benefit base ($60,600) by the ratio of the national average wage index for 2024 ($69,846.57 as determined above) to that for 1992 ($22,935.42) produces $184,548.71. We round this amount to $184,500.” Check: $60,600 times $69,846.57 divided by $22,935.42 is $184,548.71 (computed), and $184,548.71 divided by $300 is 615.16, which rounds to 615, and 615 times $300 is $184,500 (computed). It exceeds the prior $176,100, so it is the 2026 base.
| Input or result | Amount | Where it comes from |
|---|---|---|
| 1994 base | $60,600 | Stated in the notice’s formula |
| National average wage index for 2024 | $69,846.57 | Stated in the notice |
| National average wage index for 1992 | $22,935.42 | Stated in the notice |
| Formula result before rounding | $184,548.71 | Stated in the notice |
| Rounded to the nearest $300 | $184,500 | Stated in the notice |
What it means for pay and self-employment income
Only earnings up to the base are subject to the OASDI tax. Take an employee paid $250,000 (invented, for the computation) in 2026. Pay above the base is $65,500 (computed) (250,000 minus 184,500), and that part is outside the Social Security tax. The Hospital Insurance (Medicare) side works differently: “After 1993, there has been no limitation on HI taxable earnings.” See the Additional Medicare Tax for 2026 for the extra Medicare tax on high earners.
The base also applies to the self-employed, as the notice says. The statute sets their rate. Section 1401(a) imposes, for each taxable year on the self-employment income of every individual, “a tax equal to 12.4 percent of the amount of the” self-employment income for such taxable year. Details are on the self-employment tax rates for 2026.
Common mistakes
- Treating the base as a Medicare cap. The Social Security base does not limit Hospital Insurance (Medicare) earnings.
- Using $176,100 for 2026 pay. That was the prior base; the 2026 base is $184,500.
- Assuming the 2027 base equals 2026. The next base is set by the same formula on a later wage index and is on its own page.
Related: the Social Security wage base for 2027, the self-employment tax rates for 2026, the Additional Medicare Tax for 2026, and the Social Security earnings test for 2026.
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Answer againSources
- Social Security Administration, Cost-of-Living Increase and Other Determinations for 2026, 90 Federal Register 49047 (November 3, 2025): www.govinfo.gov
- Social Security Administration, Contribution and Benefit Base: www.ssa.gov
- 26 U.S.C. 1401, Rate of tax (U.S. Code, 2024 edition, U.S. Government Publishing Office): www.govinfo.gov
Read from the primary documents linked above on October 30, 2026. General information, not tax advice. Your own facts decide the outcome, and a preparer or the IRS itself is the right place to confirm anything consequential.