- The standard deduction for married filing jointly rises to $13,000 for tax year 2018, up $300 from the prior year. For single taxpayers and married individuals filing separately, the standard deduction rises to $6,500 in 2018, up from $6,350 in 2017, and for heads of households, the standard deduction will be $9,550 for tax year 2018, up from $9,350 for tax year 2017.
- The personal exemption for tax year 2018 rises to $4,150, an increase of $100. The exemption is subject to a phase-out that begins with adjusted gross incomes of $266,700 ($320,000 for married couples filing jointly). It phases out completely at $389,200 ($442,500 for married couples filing jointly.)
- For tax year 2018, the 39.6 percent tax rate affects single taxpayers whose income exceeds $426,700 ($480,050 for married taxpayers filing jointly), up from $418,400 and $470,700, respectively. The other marginal rates – 10, 15, 25, 28, 33 and 35 percent – and the related income tax thresholds for tax year 2018 are described in the revenue procedure.
- The limitation for itemized deductions to be claimed on tax year 2018 returns of individuals begins with incomes of $266,700 or more ($320,000 for married couples filing jointly).