Tax offset v tax deduction: What’s the difference?

Kiara Pethybridge • May 20, 2022

This year’s Federal Budget was full of talk about one-off support for households in the form of tax offsets, but most people are a bit hazy on the difference between a tax offset and a tax deduction.

Both can help reduce the amount of tax you pay each year, but a tax offset generally results in a bigger dollar tax saving than a tax deduction of the same amount. The key difference is the point at which they are applied to your income when calculating the final amount of tax payable.

What is a tax deduction?

A tax deduction is one of the first things applied to your income when calculating your tax bill. It reduces your taxable income and hence the amount of tax you pay, potentially moving you into a lower tax bracket. Deductions are intended to ensure you only pay tax on income exceeding the costs associated with earning that income.

For a small business, deductions ensure it doesn’t pay tax if its running costs exceed its revenue. Common deductions include operating expenses such as stationery, and capital expenses such as equipment.

There are also temporary deductions, such as the additional 20 per cent deduction for costs related to digital adoption (like  portable payment services and cyber security) and  employee training expenditure  announced in the 2022 Federal Budget.

Employees can claim deductions in a similar way. Personal deductions include  work-related expenses  like the cost of a computer if you have a home office, or supplies purchased for classroom use by a teacher.  Other deductions  include the cost of managing your tax affairs, donations and income protection insurance.

Offsets are similar but different

Tax offsets on the other hand, are deducted at the end of the calculation process and directly reduce the tax you pay.

Offsets are used by the government to encourage specific outcomes, such as uptake of health insurance through the  Private Health Offset, or adding money to your spouse’s super through a  contribution offset. They are also used to provide tax relief or financial support to certain groups in the community.

Calculating tax using offsets and deductions

The easiest way to understand the difference between an offset and a deduction is to walk through an example.

In the table below, we have two taxpayers. One person has an income of $30,000 a year paying tax of 19c on every dollar above the tax-free threshold of $18,200. This results in tax of $2,242 before any deductions or offsets. The other earns $130,000 a year, paying the top marginal tax rate of 37c in every dollar above $120,000, resulting in tax of $33,167.

As you can see in the table below, the impact of a $1,000 tax deduction provides a bigger tax saving of $370 for the higher income earner, compared with $190 for the lower income earner.

However, not only does a $1,000 tax offset provide both taxpayers with a bigger tax saving of $1,000 each, but it’s worth relatively more to the lower income earner at 3.3 per cent of $30,000 compared with less than one per cent of $130,000.

Impact of a $1,000 tax deduction and tax offset on tax owed:

Assessable income Tax owed $1,000 tax deduction $1,000 tax offset
Tax owed Tax saved Tax owed Tax saved
$130,000 $33,167 $32,797 $370 $32,167 $1,000
$30,000 $2,242 $2,052 $190 $1,242 $1,000

Source (with updated figures for 2021-22 financial year):  ANU Tax and Transfer Policy Institute Tax Fact #6

How tax offsets affect the tax you pay
 Unlike tax deductions, the ATO automatically applies most offsets to your tax payable when you lodge your tax return.

In general, tax offsets can reduce your  tax payable to zero, but they can’t be used to generate a tax refund if you don’t pay tax. If your taxable income is $18,200 or less, an offset won’t reduce the tax you pay as your tax payable is already zero. If you have paid any tax on this amount, you receive the tax back as a refund, but no offset is applied.

Also, most tax offsets don’t  reduce  the Medicare Levy and Medicare Levy Surcharge (if any) you are required to pay.

The amount of tax offset you receive also depends on the particular offset and your taxable income. For example, with the Low and Middle Income Tax Offset (LMITO) for 2021-22, if your taxable income is $37,0000 or less, you will receive a $675 offset on your tax payable when you lodge your tax return. If your income is $48,001 to $90,000, however, the offset is worth  $1,500.

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Do you know how your super is performing?

By Nikki Ashurst • November 2, 2026
Many Australians don't know how their super fund has performed or what it invests in. Are you one of them? Here's what to check and why it matters. Do you know how your super fund performed over the last two years? Many Australians don’t and are working towards their financial future without fully understanding one of their most important assets and without a clear plan for how their super may support them in retirement. That's not surprising, as many people view super as something that should run quietly in the background while they're busy with careers, families and everything else that life throws at them. But when you’re not sure what’s happening behind your balance, it’s harder to know whether you’re on track, whether your current approach reflects your goals or what opportunities might be available to help you make the most of what you’ve built so far. Your super isn't sitting in an account, it's invested Super is invested by a fund on your behalf across a mix of assets, with those investments working to grow your balance over time. Those include: Shares Ownership in Australian and international publicly listed companies. Their value can rise and fall, sometimes substantially over short periods but shares can provide capital growth over the long term. Property and infrastructure Real assets like office buildings, shopping centres, airports and energy networks. They can produce income and don't always behave in the same way as share markets, helping diversify investment holdings. Fixed interest and bonds Lending to governments and companies in return for interest. They can provide regular income and be steadier than shares, although returns and risk vary depending on the investment. Cash Generally, the most stable and lowest risk investment type. It can provide stability and faster access to money but typically offers lower longer term return potential. The investment option you choose determines the mix of assets held in your super based on your risk appetite. Most super funds offer options from conservative to high growth. If you’re young, a growth option with a higher exposure to growth assets like shares could offer higher returns over time – but it also comes with higher risk. As retirement nears, you might want to consider a more conservative approach with more defensive assets, like bonds for example to protect your savings. If you've never made a choice, you're probably in your fund's default option, which is designed to suit a broad membership. It’s worth knowing whether the mix you're in matches your circumstances and goals, including how far you are from retirement. Why performance alone is not a true comparison If you're thinking about how your super compares, returns are often where people start. The trouble is that a return figure means nothing without context: What it's being compared to Growth and conservative options invest differently and with different levels of risk. Compare like with like or the comparison may not be genuine. The comparison period A single year can be heavily influenced by short term market conditions. Super is measured in decades, so five, seven and ten year returns tell you far more about whether a fund is consistently doing its job, albeit not a predictor of future performance. Fees and tax Published returns should reflect investment fees, costs and tax but administration fees may be charged separately from your balance. Two funds quoting the same return can leave you in meaningfully different places once all fees are accounted for. Then there are the things that returns can't show you at all. For example, what insurance is attached to your account and what it's costing you, whether the fund offers guidance, tools and advice or simply sends a statement once a year. Another consideration maybe the level of support available when you need it. When comparing funds, it's worth looking at the full picture, including performance, fees, investment options, retirement support and member benefits. What today’s decisions mean tomorrow To understand how your super stacks up, start here: Find your investment option It's on your annual statement and in your online account. Look at what's in it Your fund publishes the asset allocation (shares, cash etc.) for each investment option. Check the long-term return for that option Focus on five and ten year returns, not just last year and compare them with equivalent options. Understand the total cost Add together administration fees, investment fees and insurance premiums as an annual dollar figure. Comparing super is about working out which option will perform best for you. Before you jump in, it’s worth understanding what's behind the numbers so you can make decisions based on more than a headline return. Knowing where you stand is the first step A super balance tells you where you are today. Understanding how your super is invested, how it compares and whether it's aligned with your goals helps show whether you're heading in the right direction. Source: MLC The information in this article does not take into account your objectives, needs and circumstances. We recommend that you obtain investment and taxation advice specific to your investment objectives, financial situation and particular needs before making any investment decision or acting on any of the information contained in this document. Subject to law, Capstone Financial Planning nor their directors, employees or authorised representatives gives any representation or warranty as to the reliability, accuracy or completeness of the information; or accepts any responsibility for any person acting, or refraining from acting, on the basis of the information contained in this document. Principal Wealth Management Pty Ltd trading as BMO Financial Solutions ABN 53 109 336 601 is a Corporate Authorised Representative (CAR 277821) of Capstone Financial Planning Pty Ltd ABN 24 093 733 969 Australian Financial Services Licence (AFSL) No. 223135.

The SMSF landscape is changing

By Jude Schofield • October 7, 2026
More Australians are choosing to take direct control of their retirement savings by establishing a self-managed super fund (SMSF) and according to the SMSF Association, Aussies now see their super as an important part of building and managing their overall wealth.