📌 The Projected 2027 Tax Brackets
The projected 2027 federal income tax brackets retain the permanent seven rates (10%, 12%, 22%, 24%, 32%, 35%, 37%) established under the 2025 OBBBA law. Income thresholds are projected to rise approximately 3.1% over official 2026 baseline levels (IRS Rev. Proc. 2025-32) based on statutory IRC §1(f) Chained CPI-U indexing.
| Tax Rate | Single Filers | Married Filing Jointly (MFJ) | Head of Household (HoH) |
|---|---|---|---|
| 10% | $0 – $12,750 | $0 – $25,550 | $0 – $18,200 |
| 12% | $12,751 – $51,950 | $25,551 – $103,900 | $18,201 – $69,500 |
| 22% | $51,951 – $108,950 | $103,901 – $217,950 | $69,501 – $108,950 |
| 24% | $108,951 – $208,025 | $217,951 – $416,050 | $108,951 – $208,000 |
| 32% | $208,026 – $264,150 | $416,051 – $528,300 | $208,001 – $264,100 |
| 35% | $264,151 – $660,450 | $528,301 – $792,500 | $264,101 – $660,450 |
| 37% | Over $660,450 | Over $792,500 | Over $660,450 |
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Did the TCJA Tax Brackets Sunset? (The 2025 Permanent Law)
The single biggest question surrounding the 2027 tax year was whether the individual rate cuts enacted under the 2017 Tax Cuts and Jobs Act (TCJA) would expire at the end of 2025. They did not.
With the enactment of the One Big Beautiful Bill Act (OBBBA / Pub. L. 119-21) in July 2025, Congress made the seven-bracket individual tax structure (10%, 12%, 22%, 24%, 32%, 35%, 37%) permanent. Taxpayers will not revert to the pre-TCJA structure of 15%, 25%, 28%, 33%, and 39.6%.
Consequently, planning for 2027 is not about preparing for a catastrophic rate cliff. Instead, it revolves around annual inflation adjustments to bracket breakpoints and standard deductions to prevent "bracket creep."
Note: Married Filing Separately (MFS) thresholds match half of the Married Filing Jointly figures across all brackets.
Projected Standard Deductions for 2027
The standard deduction indexes annually alongside bracket thresholds. For 2027, the baseline comparison between official 2026 numbers and projected 2027 figures is as follows:
| Filing Status | 2026 Official (Rev. Proc. 2025-32) | 2027 Projected (~3.1% C-CPI-U) |
|---|---|---|
| Single | $16,100 | ~$16,600 |
| Married Filing Jointly | $32,200 | ~$33,200 |
| Head of Household | $24,150 | ~$24,900 |
Historical Comparison: Permanent Law vs. What Sunset Would Have Looked Like
To understand the practical impact of the permanent rate extension, compare the actual permanent structure against the pure TCJA sunset scenario that would have occurred without congressional action:
| Provision | Actual: TCJA Made Permanent (via OBBBA) | Counterfactual: Pure TCJA Sunset |
|---|---|---|
| Individual Tax Rates | 10%, 12%, 22%, 24%, 32%, 35%, 37% (Permanent) | 10%, 15%, 25%, 28%, 33%, 35%, 39.6% |
| Top Marginal Rate | 37% | 39.6% |
| Standard Deduction | Indexed higher (~$16,600 / $33,200) | Roughly halved to pre-TCJA levels |
| Section 199A (QBI Deduction) | 20% pass-through deduction preserved | Expired completely |
Actionable 2027 Planning for Freelancers & Small Business Owners
For independent contractors (1099), solopreneurs, and small business owners, wider 2027 brackets present distinct tax optimization opportunities:
1. Q1 2027 Estimated Tax Calibration (Due April 15, 2027):
Because bracket thresholds will expand by over 3%, your effective tax rate on equivalent revenue will decrease slightly. Model your estimated tax payments using our Quarterly Tax Calculator to avoid over-withholding cash needed for working capital.
2. Safe Harbor Compliance:
To prevent IRS underpayment penalties (Form 2210), ensure your four quarterly payments equal either 100% of your 2026 tax liability (110% if 2026 AGI exceeded $150,000) or 90% of your projected 2027 liability calculated with these updated tables.
3. SEP-IRA & Solo 401(k) Limits:
Defined contribution limits will adjust upward for inflation in 2027. Freelancers earning substantial 1099 revenue should maximize pre-tax contributions to keep top-bracket dollars out of the 24% or 32% marginal tiers.
4. S-Corporation Reasonable Salary Optimization:
With the 20% Section 199A QBI deduction preserved and wider brackets in place, S-Corp owners should review their salary vs. distribution splits. Calculate exact payroll tax savings using our S-Corp Tax Savings Calculator.
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Quick Answer Summary
Projected 2027 federal income tax brackets maintain the permanent 10%, 12%, 22%, 24%, 32%, 35%, and 37% rates (established under the 2025 OBBBA). Based on ~3.1% Chained CPI-U inflation adjustments, the projected single brackets are: 10% up to $12,750; 12% ($12,751–$51,950); 22% ($51,951–$108,950); 24% ($108,951–$208,025); 32% ($208,026–$264,150); 35% ($264,151–$660,450); and 37% over $660,450. Projected standard deductions are ~$16,600 (Single) and ~$33,200 (MFJ). Official IRS figures will be published in late 2026.