Tax Bracket 2024 Married Filing Separately Single. What is a marginal tax rate? While most married couples benefit from filing together thanks to the tax breaks the irs offers, there are times when filing separately may be the better choice.

If you’re trying to determine your marginal tax rate or your highest federal tax bracket, you’ll need to know two things: Below, cnbc select breaks down the updated tax brackets for 2024 and what you.