Salary sacrificing into super can be worthwhile when the money is genuinely for retirement, you have contribution capacity and the reduction in take-home pay does not compromise nearer-term goals.  

It is not automatically the best use of surplus income.  

Employer contributions, the concessional cap, Division 293 tax, access restrictions and your wider financial plan all change the answer.

For 2026-27, the standard concessional contributions cap is $32,500. This cap includes employer contributions, salary sacrifice contributions and personal contributions claimed as a tax deduction.

Check your actual contributions before setting up a regular amount to contribute.

The short decision table

Salary sacrifice may be useful when Pause and check first when
You are saving for retirement and will not need the money earlier You need the money for a home, debt, business capital or a near-term goal
Your marginal tax rate is higher than the contributions tax that applies Your income is low enough that the tax difference is small or another contribution method may be better
You have room under your concessional cap or valid carry-forward capacity Employer and other concessional contributions may already use up the cap
Your cash flow remains comfortable after the reduction in pay Your income or bonus is uncertain
Your super fund, investment option and insurance arrangements remain suitable You have not reviewed fees, investment risk or insurance inside super
The strategy fits your retirement time horizon You may need access before meeting a condition of release

How salary sacrifice works

Under an effective arrangement, you ask your employer to direct part of your future pre-tax salary to a complying super fund.

The contribution is generally taxed in the fund at 15%, subject to the rules that apply to you.

For many employees, this rate is lower than the marginal tax rate that would apply if the same amount were received as salary. The contribution then remains in super and is accumulated for retirement.

The comparison is not simply "15% versus my tax rate". It also needs to include:

  • Division 293 tax for higher-income earners;
  • contribution limits and any excess contribution consequences;
  • the loss of access to the money;
  • fund fees and investment returns;
  • changes to take-home pay and benefits; and
  • the other goals the money could fund.

Start with your employer contributions

The concessional cap applies to the combined total, not to salary sacrifice alone.

Before choosing an amount, obtain:

  1. contributions received by every super fund for the financial year;
  2. expected employer contributions for the rest of the year;
  3. any bonus-related or contractual employer contributions;
  4. personal deductible contributions already made; and
  5. your available carry-forward amount in ATO online services, if relevant.

From 1 July 2026, the general super guarantee remains at 12%, and the Payday Super rules require employer contributions to be made at the same time as salary or wages.

If your employer pays your insurances premiums or administration fees within your superannuation, this will also count towards your concessional contributions cap.

An employer cannot use your salary sacrifice contribution to reduce its compulsory super obligation.

High-income employees should pay particular attention to the employer calculation for employer super contributions.

Maximum contribution-base rules, employment contracts and contributions on bonuses can all affect the amount that reaches super.

The 2026-27 concessional cap

The standard concessional cap is $32,500 for 2026-27. Contributions that count towards it can include:

  • compulsory employer contributions;
  • additional employer contributions;
  • defined benefit contributions;
  • payment by your employers for insurance or administration fees through super;
  • salary sacrifice contributions; and
  • personal contributions for which you claim a tax deduction.

Going over the cap can create additional tax and administration. If your contributions arrive near year end, payroll and fund processing dates also matter.

Carry-forward contributions

You may be able to use unused concessional cap amounts from the previous five financial years if your total super balance at the prior 30 June was below $500,000 and other general contribution rules are met.

The current financial year cap must be used before unused amounts can be used. The oldest unused amount will then be used.

Carry-forward capacity can be useful in a high-income year, after time out of the workforce or before retirement. It is not a separate contribution type.  

It increases your available concessional cap for that year, and the contribution still needs to fit your cash flow and wider plan.

Division 293 matters for higher earners

Division 293 can impose an additional 15% tax on some or all concessional contributions when your Division 293 income plus relevant super contributions exceeds $250,000.

The calculation uses a specific definition of income, not simply the salary on your employment contract.

The additional tax reduces the concession, but it does not automatically mean salary sacrifice has no value.  

The result depends on your marginal tax position, contribution amount, time horizon and alternatives.  

One-off events such as a capital gain or employment termination payment can also bring Division 293 into the picture for a particular year.

A registered tax agent should confirm the tax calculation where income is near or above the threshold.

A hypothetical cap check

Suppose an employee expects total employer and other concessional contributions of $25,000 in 2026-27. If no carry-forward amount applies, the remaining standard cap space would be $7,500.

That does not mean $7,500 should automatically be sacrificed. The employee would still test:

  • whether the $25,000 estimate includes every fund and bonus;
  • whether take-home pay remains sufficient;
  • whether Division 293 applies;
  • whether the money may be needed before retirement; and
  • whether the fund's investment option suits the goal.

This illustration is simplified and does not calculate personal tax or recommend a contribution.

Salary sacrifice or a personal deductible contribution?

Both can be concessional contributions and count towards the same cap, but they work differently in practice.

Salary sacrifice Personal deductible contribution
Arranged with payroll before the salary is earned Paid personally to the fund
Reduces take-home pay throughout the year Can allow a later decision on claiming a tax deduction when annual income is clearer
Can support regular contribution discipline Requires a valid notice of intent and fund acknowledgement before claiming a personal deduction
Timing depends on payroll and fund processing Timing depends on the fund receiving the contribution and completion of tax steps

The better method can depend on income certainty, payroll flexibility and how late in the year the decision is made. Confirm the process with your employer, fund and registered tax agent.

Six questions before you change payroll

  1. How much has already been contributed across all my funds?
  2. What will my employer contribute for the rest of 2026-27?
  3. Do I have verified carry-forward capacity?
  4. Could Division 293 or another tax interaction apply?
  5. What goal would this money otherwise fund?
  6. Will I still have enough accessible cash for debt, emergencies and planned spending?

Also review the super fund itself. A tax concession cannot make unsuitable fees, insurance or investment risk appropriate.

When advice helps

Salary sacrifice becomes more complex when you have variable bonuses, employee equity, multiple employers, carry-forward capacity, a defined benefit interest, income around the Division 293 threshold, plans to retire soon or competing debt and investment priorities.

A financial adviser can model the contribution within your cash flow, retirement and investment plan.  

A registered tax agent should confirm tax treatment and reporting. Your employer and super fund control the arrangement and contribution process.

Make the contribution serve the plan

Our team of Sydney-based expert financial advisers can help you compare salary sacrifice with personal deductible contributions, debt reduction and investing outside super, then set an amount that fits your retirement goals and accessible cash needs.

Click here to arrange a super contribution conversation with one of our advisers.