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Spouse contribution tax offset: How it works (including calculator)

Key points about the spouse contribution tax offset

  • Offset: Up to $540 off your tax when you make an after-tax contribution to your spouse’s super.
  • Full offset: 18% of the first $3,000 you contribute, when your spouse’s income is $37,000 or less.
  • Phase-out: The maximum offset falls by 18 cents for every dollar of income over $37,000 and is nil from $40,000.
  • Your spouse: Must be under 75, within their non-concessional cap, with a total super balance below the transfer balance cap on the previous 30 June.
  • Not for splits: Contributions you split from your own account to your spouse don’t count.

If your spouse earns less than $40,000 a year, putting some of your after-tax money into their super can do two jobs at once. It builds their retirement savings, and it can reduce your own tax bill by up to $540.

This guide explains who can claim the spouse contribution tax offset, how much it’s worth and how to claim it, with a calculator to work out the offset.

Who can claim the spouse contribution tax offset?

To claim the offset, you need to meet all these criteria:

  • Your spouse’s assessable income*, total reportable fringe benefits and reportable employer super contributions must be under $40,000
  • Your contribution must not be tax deductible to you
  • Your spouse must be under 75, must not have exceeded their non-concessional contributions cap for the year, and must have had a total super balance below the transfer balance cap on the previous 30 June
  • Your contribution must have been made into a complying super fund
  • You and your spouse must both be Australian residents when the contributions were made
  • You and your spouse must be living together on a permanent basis.

*Any First Home Super Saver Scheme (FHSSS) release amounts are not counted.

Need to know: You will not receive the spouse tax offset for super contributions you have made into your own super account then split with your spouse (see how to boost your spouse’s super balance). A split is a rollover (or transfer), not a contribution.

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How much is the offset worth?

Depending on your spouse’s income and the amount you contribute into their account, you could receive a tax offset of up to $540 in your annual income tax return.

Annual income for receiving spouseYour tax offset
Less than the low-income threshold of $37,000Up to a full tax offset of $540 (actual amount is calculated as 18% of the lesser of $3,000 and your total contributions for your spouse)
Between $37,000 and the cut-off threshold of $40,000The maximum offset amount is $540 minus $0.18 for each dollar the receiving spouse’s income is over the low-income threshold. You receive an offset of 18% of your contribution, up to the maximum offset that applies based on your spouse’s income.
More than $40,000Nil

Maximum spouse contribution tax offset by your spouse’s income

Line chart of the maximum spouse contribution tax offset by your spouse’s income. The full offset of 540 dollars applies up to an income of 37,000 dollars, then falls to 360 dollars at 38,000 dollars, 180 dollars at 39,000 dollars and nothing from 40,000 dollars.

Assumes you contribute at least $3,000. Income is your spouse’s assessable income plus reportable fringe benefits and reportable employer super contributions. Source: ATO

There is no limit to the amount you can contribute to your spouse’s account, provided your contributions do not exceed your spouse’s non-concessional (after-tax) contributions cap, but the tax offset is only available on the first $3,000 of contributions.

Spouse contribution tax offset calculator

Use our calculator opposite to check your spouse tax offset.

Case study

Karol and Danika meet all the eligibility requirements under the rules for the spouse super tax offset.

Karol is currently working full time and earning a good salary, but Danika is working part time and will earn just $20,000 this financial year. To boost the balance of Danika’s super account, Karol decides to make a $4,000 contribution into her super fund.

As a result, Karol will receive a tax offset in his tax return for the contribution he makes on Danika’s behalf.

The tax offset Karol will receive is calculated by the ATO as 18% of the lesser of:

  • $3,000 minus the amount over $37,000 Danika earned ($3,000 – $0 = $3,000)
  • The amount of spouse contributions ($4,000).

This means Karol is entitled to a spouse tax offset of $540 (18% x $3,000) when his income tax is calculated by the ATO.

How to claim the offset

You claim the offset in your own tax return for the financial year you made the contribution, not in your spouse’s. In the paper tax return it is at label T3, Superannuation contributions on behalf of your spouse.

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