Arizona’s 2026 Withholding Rates Unchanged From 2025

The range of withholding rates on Arizona’s 2026 withholding certificate, as published by the state revenue department, is unchanged from 2025.

The rates presented on the 2026 Form A-4, Employee’s Arizona Withholding Election, continue to range from 0.5% to 3.5% at intervals of 0.5 percentage points. The default rate is 2%, which is used if a new employee does not submit a Form A-4 or if an employee does not renew a claim of exemption from withholding.