Sonia Barkman January 19, 2024 2024 Tax Year Information Calendar year 2024 changes that will affect your 2025 tax filing Sonia Barkman January 19, 2024 2024 Tax Year Information The tax year 2024 adjustments described below generally apply to income tax returns filed in 2025. The tax items for tax year 2024 of greatest interest to most taxpayers include the following dollar amounts.