Irs 2025 Tax Brackets Married Jointly. The top marginal income tax rate of 37 percent will hit taxpayers with taxable income above $626,350 for single filers and above $751,600 for married couples filing jointly. Here’s a quick overview of how tax brackets function:.

These will be used for your 2025 tax year. For instance, married taxpayers who file jointly and earn more than $23,850 (the top threshold for the 10% bracket in 2025) could owe $2,385 in federal income tax — or 10%.