2025 Tax Brackets Married Jointly. The 2025 tax rates and thresholds for both the connecticut state tax tables and federal tax tables are comprehensively integrated into the connecticut tax calculator for. The seven federal income tax brackets for 2025 are 10%, 12%, 22%, 24%, 32%, 35% and 37%.
The irs released these brackets and income levels for 2025: The top marginal income tax rate of 37.