In this guide
Important: Although this proposed measure is scheduled to begin from 1 July 2025, it is not yet law. The details below may change if legislation is amended or not passed.
If the Albanese Government has their way, a new tax will be charged on investment growth that occurs this financial year in super balances above $3 million (Division 296 tax).
If your balance is above $3 million on 30 June 2026, you will be among the first to receive an assessment.
The government recognises that the tax rates on super earnings of 15% in the accumulation phase and 0% in the retirement phase provide a significant concession for most taxpayers. Applying additional tax on the growth of larger balances is intended to better target that concession.
Let our explainer and calculator cut through the jargon.
Who does it apply to?
Division 296 tax applies to the taxable super earnings of individuals with total superannuation balances (TSBs) over $3 million at the end of a financial year. If your TSB is below $3 million on 30 June, the tax does not apply, even if you have made withdrawals to bring your balance below the threshold.
The $3 million threshold will not be indexed (at least initially), which means more people will be liable for Division 296 tax over time as super balances increase.
The threshold applies to individuals, so couples can still have up to $6 million in super and not be liable for additional tax. Individual application also means the total value of a self-managed super fund (SMSF) may be above $3 million but if no members have an individual TSB above the threshold then no Division 296 applies.
How is it calculated?
Division 296 tax at the rate of 15% applies to the earnings attributed to the portion of your balance that is above $3 million. This means if your balance is only a little over the threshold, a correspondingly small proportion of your earnings will attract extra tax.
Division 296 tax = 15% x taxable earnings x taxable proportion
To calculate the proportion, the below formula is used and rounded to two decimal places:
Taxable proportion
[(your TSB at the end of the year – $3 million)/ your TSB at the end of the year] x 100
The result is expressed as a percentage.
Example: Proportion
Runi has a total super balance of $4.5 million on 30 June 2026.
The proportion of her balance above $3 million is:
[($4.5 million – $3 million)/$4.5 million] x 100
=$1.5 million/$4.5 million x 100
= 33.33%
To calculate ‘earnings’ your 30 June Total Super Balance (TSB) from the prior year is subtracted from your most recent ‘adjusted’ 30 June TSB. Your adjusted TSB is your total balance with the year’s net contributions subracted and withdrawals added. Adjusting the figure this way ensures that only investment growth is captured, disregarding contributions and withdrawals.
However, as widely criticised, the calculation does capture the increase in value of assets that have not been sold (unrealised capital gains). Capital gains are not otherwise taxed in super or other contexts until the asset is sold and the gain is ‘realised’.
If your adjusted TSB or TSB from last 30 June is below $3 million, that figure is replaced with $3 million.
Example: Previous TSB above $3 million
James’ adjusted TSB on 30 June 2026 is $3.4 million. His TSB on 30 June 2025 was $3.1 million.
James’ taxable earnings for 2025-26 are $300,000 ($3.4 million – $3.1 million).
Example: Previous TSB below $3 million
Sunita’s adjusted TSB on 30 June 2026 is $3.1 million. Her TSB on 30 June 2025 was $2.8 million.
Sunita’s taxable earnings for 2025-26 are $100,000 ($3.1 million – $3 million).
Because her TSB on 30 June 2025 was below $3 million, the $3 million figure is subtracted in its place. This ensures she pays tax only on the portion of her earnings that brought her balance above the $3 million threshold.
Division 296 calculator
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