Form 1040 is the standard U.S. Individual Income Tax Return that most taxpayers use to report their annual income and calculate their tax obligations. You must file Form 1040 if your gross income exceeds the standard deduction for your filing status. For 2025, single filers earning above $14,600 and married filing jointly earning above $29,200 must file. The form includes sections for reporting:
- Income from wages, investments, and other sources
- Adjustments to income
- Tax credits and deductions
- Tax payments and refunds