What are the tax benefits of salary sacrificing into super?

Answer

Salary sacrificing into superannuation allows you to reduce your taxable income, as contributions are taxed at a lower rate (15% for most people) within your super fund, potentially saving you income tax.

Australian Taxation Office (ATO)
Last Updated:May 5, 2026

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How it works in practice

Understanding Salary Sacrificing

Salary sacrificing into superannuation involves an arrangement with your employer to forgo a portion of your pre-tax salary in exchange for your employer making additional contributions to your super fund. These contributions are known as concessional contributions and are generally taxed at a flat rate of 15% within your super fund.

Tax Advantages

The primary tax benefit is that these contributions are taxed at 15% (for most individuals), which is often significantly lower than your marginal income tax rate. This means money directed to super is taxed less than if you received it as salary. It also reduces your assessable income for tax purposes, potentially lowering your overall income tax payable at the end of the financial year. This strategy can be a highly effective way to boost your retirement savings while minimizing current tax liabilities.

Important exceptions

Contribution Caps and High-Income Earners

The main exception is the concessional contribution cap, which limits how much you can salary sacrifice each financial year. Exceeding this cap can result in additional tax. Furthermore, individuals with an adjusted taxable income exceeding a certain threshold (currently $250,000) may be subject to Division 293 tax, meaning their concessional contributions are taxed at 30% rather than 15%.

Also, ensure your employer actually makes the contributions to your super fund on your behalf as part of the salary sacrifice arrangement, as not all employers offer this option.

What you should do now

  1. Understand your current concessional contributions, including employer Super Guarantee, to ensure you don't exceed the annual cap.

  2. Discuss with your employer if they offer salary sacrificing into super and understand their specific process and any administrative fees.

  3. Calculate the potential tax savings and impact on your take-home pay, considering your marginal tax rate and financial goals.

  4. Formalise the salary sacrifice arrangement with your employer in writing, specifying the amount or percentage you wish to contribute.

  5. Regularly review your superannuation statements and payslips to ensure contributions are being made correctly and that you remain within the concessional contributions cap.

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