Year 2021 Income Tax Changes and Withholding Information
Effective January 2021
Federal and State Income Tax Withholding
2021 Rates
|
Tax Summary
|
Year 2021
|
Year 2020
|
|
Social Security/OASDI Rate
|
6.2 percent
|
6.2 percent
|
|
Social Security Maximum Wage Base
|
$142,800
|
$137,700
|
|
Maximum Social Security /OASDI Contribution
|
$8,853.60
|
$8,537.40
|
|
Medicare Rate
|
1.45 percent
|
1.45 percent
|
|
Medicare Maximum Wage Base
|
No limit
|
No limit
|
|
Maximum Medicare Contribution (1.45%)
|
No limit
|
No limit
|
|
CA SDI – PT Faculty Only
|
1.20 percent
|
1.00 percent
|
|
CA SDI Maximum Wage Base
|
$128,298
|
$122,909
|
|
403/457
|
$19,500
|
$19,500
|
|
403/457 over 50
|
$26,000
|
$26,000
|
Federal Withholding — Form W-4 (exempt status)
Individuals will need to complete a new Form W-4 “Employee’s Withholding Certificate” if they filed exempt in 2020 no later than February 15, 2021 to claim exempt for 2021.
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