Second Job Tax in Australia: Why Extra Income Is Withheld Higher
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Primary tax-year context: Current Australian tax settings
This article is general information only. We maintain pages using primary-source checks and date-based reviews. See editorial policy.
General information only.
A second job is not taxed under a separate “second job tax rate”. Your final tax is calculated on total taxable income across all jobs.
Why withholding can feel higher
- You usually claim the tax-free threshold from one employer only
- The second employer withholds using “no threshold” settings
- Combined income can push part of your income into higher marginal brackets
This is withholding design, not a penalty rate. Your tax return reconciles over- or under-withholding.