2024 Tax Brackets For Seniors Over 65. Individuals under 65 at the end of 2023 have to file a federal return in 2024 if their income last year was at least $13,850 ($20,800 for taxpayers filing as head of household, and. $3,700 if you are single or filing as head of household.

Here are the rest of the tax brackets for single taxpayers:. The basic standard deduction in 2024 and 2025 are: