The IRS has announced its annual inflation-adjusted income tax brackets and other amounts. For 2026, the highest rate (37%) will apply to taxable income over $640,600 for individuals ($768,700 for married filing jointly and $384,350 for married filing separately). The standard deduction is increasing to $16,100 for individuals and married taxpayers filing separately ($32,200 for married couples filing jointly and $24,150 for heads of households). Single filers age 65 or older will be eligible to take an additional deduction of $2,050 ($1,650 for married filers). Alternative minimum tax exemptions and adoption credits are among the other items that have been adjusted for 2026.