When to consider filing separately

Married couples can choose to file jointly or separately each year, and the decision resets annually. Filing separately is the less common choice — it usually results in a higher combined tax bill and forfeits several credits — but it makes sense in a handful of specific situations.

When separate filing can help

A few scenarios where married filing separately is worth evaluating:

• Significant medical expenses: the medical expense deduction threshold is based on adjusted gross income. Filing separately can lower one spouse’s AGI enough to unlock a larger deduction if that spouse carried most of the medical costs.
• Income-driven student loan repayment: for borrowers on an income-driven repayment plan, filing separately can exclude a spouse’s income from the payment calculation in some cases, though it may also change which repayment plans are available.
• Divorce or separation in progress: couples going through a separation, or who simply want a clean division of tax liability, sometimes prefer separate returns even before a divorce is finalized.
• Concerns about a spouse’s reporting position: filing separately limits joint-and-several liability exposure when one spouse has concerns about the accuracy or completeness of the other’s income, deductions, or a business they operate.
• State tax considerations: in certain states, and for couples living in community-property states, the math can occasionally favor separate returns depending on the income split between spouses.

What you give up

Filing separately generally disqualifies a couple from several valuable tax benefits, including the Earned Income Tax Credit, most education credits, and certain deductions and phase-out thresholds that are more favorable when filing jointly. Both spouses must also use the same method — standard deduction or itemizing — on their separate returns.

Run the numbers before you decide

Because the trade-offs depend heavily on each spouse’s income, deductions, and individual circumstances, the only reliable way to know whether filing separately helps or hurts is to model both scenarios side by side. Our team can prepare a joint-versus-separate comparison as part of your tax planning so the decision is based on your actual numbers rather than a general rule of thumb.