What is a Marriage bonus?

A marriage bonus is the reduction in combined federal income tax that married couples experience when filing jointly, producing a lower total liability than the sum of two separate single returns. The bonus typically arises when one spouse earns significantly more than the other, allowing the wider Individuals joint brackets to absorb the higher earner's income at lower marginal rates. The doubled standard deduction of $32,200 for 2026 amplifies this effect for single-income households. Couples often pair the bonus with Augusta rule planning.

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