Click on the links below to jump to each section in this article: Married Filing Separately: When It May Make Sense A Better Way to Help with Tuition Business Mileage Rate Is Up for 2025 Married Filing Separately: When It May Make Sense Filing joint tax returns generally results in the lowest tax bill for married couples. However, in some circumstances, they may pay less taxes if they file separately, such as when one spouse has large medical expenses. Medical expenses are deductible only to the extent that they exceed 7.5% of adjusted gross income (AGI). So if one spouse would have significantly lower AGI filing separately, it may increase the deduction. But be mindful of the downsides of filing separately. Certain tax credits, for instance, are generally unavailable to separate...









