2024 Standard Deduction Head Of Household Allowance. — the standard deduction will increase by $750 for single filers and by $1,500 for joint filers (table 2). — for those filing head of household, the standard deduction will be $21,900 for tax year 2024 (up $1,100 from tax year 2023).
They are $14,600 for single filers and married couples filing. You pay tax as a percentage of your income in layers called tax brackets.