The tax threshold for 2023 depends on the filing status and taxable income of the taxpayer. The income thresholds for the seven federal income tax rates and brackets in 2023 were adjusted up by about 7% from the previous year
. For single filers, the 10% tax rate applies to taxable income of $11,000 or less, while the 37% tax rate applies to taxable income of $539,900 or more
. For married couples filing jointly, the 10% tax rate applies to taxable income of $22,000 or less, while the 37% tax rate applies to taxable income of $693,750 or more