How Much Will My Taxes Go Up If TCJA Expires in 2026
By Morgan Hayes
Legal Disclaimer: This article is for informational purposes only and should not be considered tax advice. Please consult with a qualified tax professional or certified public accountant before making any tax-related decisions. Tax laws are subject to change, and individual circumstances vary significantly.< Picture this: It's April 2026, and you're preparing your taxes. Your paycheck looks the same, but your tax bill has jumped by thousands of dollars. Your standard deduction has shrunk. Your tax bracket has crept upward. The child tax credit you've relied on is smaller. This isn't a hypothetical scenario—it's what millions of Americans could face if Congress doesn't act before the end of 2025. The Tax Cuts and Jobs Act (TCJA), signed into law in December 2017, fundamentally reshaped American taxation for the past seven years. But here's the catch: most of its individual income tax provisions are set to expire on December 31, 2025< <Understanding the TCJA Expiration Timeline and Current Congressional Status
According to the Congressional Budget Office (CBO), allowing the TCJA to expire would increase federal revenues by approximately $1.5 trillion over ten years< Current Congressional Activity (as of January 2025):< The critical timeline: Congress must act before December 31, 2025< < Tax Bracket Changes:< < Standard Deduction Impact:< < If the TCJA expires, the 2026 standard deduction would drop to approximately 2017 levels—roughly 50% lower< Sample Taxpayer Impact Analysis:< Note: These estimates use simplified 2025 tax data and assume no other income or deductions. Actual impacts vary based on individual circumstances. Source: Tax Foundation analysis of TCJA provisions.< Child Tax Credit Reduction:< The TCJA doubled the child tax credit from $1,000 to $2,000 per child. If it expires, families lose this enhancement. For a family with three children, that's a potential $3,000 reduction< Other Expiring Provisions:< < Immediate Actions (2025):< Official Resources for Tax Planning:< The Internal Revenue Service (IRS) publishes detailed
Tax Changes You'll Face in 2026 If TCJA Expires: Specific Numerical Examples
Profile
Income Level
Est. 2025 Tax Bill
Est. 2026 Bill (no extension)
Increase
Single, No Dependents
$65,000
$6,740
$8,210
+$1,470 (22%)
Married, Two Children
$120,000
$9,890
$14,560
+$4,670 (47%)
Single, High Income
$500,000
$127,450
$156,320
+$28,870 (23%)
Tax Planning Strategies and Mitigation Options for 2026