What’s New

Exemption amount. The exemption amount on Form 6251, line 5, has increased to $88,100 ($137,000 if married filing jointly or qualifying surviving spouse; $68,500 if married filing separately).

Also, the amount used to determine the phaseout of your exemption has increased to $626,350 ($1,252,700 if married filing jointly or qualifying surviving spouse).

AMT tax brackets. For 2025, for noncorporate taxpayers, the 26% tax rate applies to the first $239,100 ($119,550 if married filing separately) of taxable excess (the amount on line 6). This change is reflected on lines 7, 18, and 39.

Enhanced deduction for seniors. New legislation generally provides an enhanced deduction for seniors of $6,000 for taxpayers born before January 2, 1961. The deduction is reported on Schedule 1-A (Form 1040), line 37. The deduction is treated as a personal exemption that is added back to alternative minimum taxable income as an adjustment under section 56(b)(5)(D). Accordingly, line 1 has been revised and split into two parts, line 1a and line 1b, to account for the enhanced deduction for seniors as an adjustment to alternative minimum taxable income. See the instructions for Line 1, later.