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28 August 2026

2026 state supplemental, flat tax and highest income tax withholding rates with hyperlinks to the latest withholding tables/instructions (updated August 28, 2026)

To assist you in reviewing your state and US territory income tax withholding rates for 2026, the chart provided in the attached PDF (updated as of August 28, 2026) contains hyperlinks to the most recent income tax withholding formulas/tables published by the states and US territories, information concerning their respective highest income tax withholding rates (based on their percentage method of withholding) or flat tax withholding rates, and, if applicable, their supplemental withholding rates.

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Attachment

State income tax withholding rates

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Contact Information

For additional information concerning this Alert, please contact:

Workforce Tax Services - Employment Tax Advisory Services

Published by NTD’s Tax Technical Knowledge Services group; Lori Ruppert, legal editor

Document ID: 2026-1857

 

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