The standard deduction for married filing jointly taxpayers is increasing $400 to $24,800. It will be $12,400 ($200 increase) and $18,650 ($300 increase) for single and head of household taxpayers, respectively.
The maximum annual contribution to FSAs (flexible spending arrangements) increases $50 to $2,750.
Tax brackets have also increased: (note the increase amount is based off the high end of the threshold)
For additional changes as a result of the inflation adjustments, see the IRS News Release or view all details included in Revenue Procedure 2019-44.