Alternative minimum tax exemption For individual taxpayers, the alternative minimum tax exemption is $81,300 and phases out at $578,150. For married couples filing jointly, the minimum is $126,500 and phases out at $1,156,300 Earned income tax credit The 2023 maximum income tax credit is $7,430 for qualifying taxpayers with three or more children. The amount was raised compared to the maximum of $6,935 in 2022.