Complete guide to federal tax law changes for 2026 and how they affect your finances
The 2026 tax year brings several important changes to federal tax law. Most notably, tax brackets have been adjusted for inflation, the standard deduction has increased, and retirement contribution limits have been raised. These changes are designed to help taxpayers keep pace with rising costs and save more for retirement.
Understanding these changes is crucial for effective tax planning. Whether you're an employee, self-employed, or retired, these updates will affect your tax liability and take-home pay. Below, we break down each major change and explain how it impacts your finances.
Key updates that will affect your 2026 tax return
All seven federal tax brackets have been adjusted upward by approximately 2.8% for inflation. This means you can earn more before moving into a higher bracket.
Example (Single Filer):
The standard deduction has increased for all filing statuses, reducing your taxable income and potentially lowering your tax bill.
2026 Standard Deductions:
permanently raised the child tax credit from $2,000 to $2,200 per qualifying child under age 17, effective for tax year 2025 onward. The refundable portion (Additional CTC) is $1,700 for 2026. Phase-out thresholds remain at $200K single / $400K (not inflation-indexed).
Phase-Out Thresholds:
Contribution limits for retirement accounts have increased, allowing you to save more tax-deferred or tax-free.
2026 Limits:
For the full 2026 reference (HSA, FSA, SEP-IRA, HCE thresholds, SS wage base), see our 2026 contribution limits page — or project your retirement balance with the 401(k) calculator.
New tax brackets and standard deduction take effect
Employers begin using new withholding tables for paychecks
Higher retirement contribution limits available
You can contribute up to $24,500 to your 401(k) and $7,500 to your IRA
2026 tax returns due
File your 2026 return using the new brackets and deductions
Long-term capital gains rates remain at 0%, 15%, and 20% based on income. The income thresholds for each rate have been adjusted for inflation.
exemption amounts increased to $90,100 for single filers and $140,200 for married filing jointly. also dropped the phase-out thresholds (now $500K single / $1M ) and doubled the phase-out rate to 50%.
OBBBA permanently raised the estate and gift tax exemption to $15 million per individual ($30 million for married couples) for 2026, indexed for inflation thereafter. This replaces the prior schedule that would have reverted to roughly $7M after 2025.
contribution limits have increased to $4,400 for individuals and $8,750 for families, with a $1,000 catch-up contribution for those 55 and older.
The state and local tax deduction cap rose from $10,000 (TCJA) to $40,400 for 2026 under OBBBA, with annual 1% inflation steps through 2029. For taxpayers with MAGI above $500,000 ($250,000 if MFS), the cap phases down 30¢ per dollar but never below the original $10,000 floor — fully back to the floor at MAGI ~$600,000. The $40K-band cap reverts to $10,000 in 2030 unless extended.
Common questions about 2026 federal tax law changes