Australian Income Tax Brackets and Rates 2024-25 Explained

From 1 July 2024, Stage 3 of the legislated tax cuts took effect - the most significant restructure of Australian income tax brackets in over a decade. The changes reduced the 32.5% rate, expanded the 19% bracket, and abolished the 37% bracket (replacing it with a 32.5% top for a wider income range). The government also modified the original Stage 3 design in early 2024 to provide greater relief to low and middle income earners.

• Tax-free threshold: $0–$18,200 - 0% tax. The tax-free threshold has not changed. Australian residents do not pay income tax on the first $18,200 of taxable income.
• 19% bracket: $18,201–$45,000. Tax payable: nil on the first $18,200 plus 19 cents for each $1 over $18,200. The upper threshold increased from $37,000 under Stage 2 - this provides meaningful relief for incomes between $37,000 and $45,000.
• 32.5% bracket: $45,001–$135,000. Tax payable: $5,092 plus 32.5 cents for each $1 over $45,000. Notably, the 37% bracket that previously applied from $120,001 to $180,000 is abolished - incomes up to $135,000 now pay 32.5%.
• 37% bracket: $135,001–$190,000. Tax payable: $31,288 plus 37 cents for each $1 over $135,000. This bracket now applies over a narrower range than before Stage 3.
• 45% bracket: Over $190,000. Tax payable: $51,638 plus 45 cents for each $1 over $190,000. The 2% Medicare Levy applies on top for most residents - effective top rate is 47%.
• Medicare Levy: 2% on taxable income. Low-income earners pay a reduced levy or none at all - full levy exemption below $26,000 (single, 2024-25, approximately). Medicare Levy Surcharge (MLS) of 1–1.5% applies if you earn above $93,000 (single) and do not hold appropriate private hospital cover.

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One of the most widespread misconceptions in Australian personal finance is that earning more money can leave you worse off overall because you 'move into a higher tax bracket.' This is false. Australia's progressive system taxes only the income in each bracket at that bracket's rate.

• Marginal rate: The rate applied to the next dollar of income. If you earn $50,000, your marginal rate is 32.5% - meaning the next dollar you earn is taxed at 32.5%. The income below $45,000 is still taxed at the lower rates that apply in those brackets.
• Average (effective) rate: Total tax payable divided by total income. At $80,000, total tax (before offsets) is approximately $17,547 - an effective rate of 21.9%, even though the marginal rate is 32.5%. This is a far more meaningful number for household budgeting.
• Practical illustration at $100,000: Tax on $100,000 before offsets: nil on $18,200 + 19% on $26,800 ($5,092) + 32.5% on $55,000 ($17,875) = $22,967 income tax + $2,000 Medicare Levy = $24,967 total. Effective rate: 24.97%. Marginal rate: 32.5%.
• Why it matters for decisions: Your marginal rate is what matters for investment decisions (e.g. should I put money in super at 15% vs hold in my name at 32.5%?), not your average rate. Your average rate reflects your overall tax burden and is useful for comparing across income levels or countries.

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Tax offsets directly reduce the amount of tax payable - they are more valuable than deductions, which only reduce taxable income. Several key offsets affect Australian residents.

• Low Income Tax Offset (LITO): Available to all Australian residents. Maximum offset of $700 for incomes up to $37,500. Phases out at 5 cents per dollar from $37,500 to $45,000, then at 1.5 cents per dollar from $45,000 to $66,667, where it phases out completely. LITO effectively means the tax-free threshold for low-income earners is closer to $21,884 (combining the statutory $18,200 threshold with LITO).
• Low and Middle Income Tax Offset (LMITO) - EXPIRED: LMITO provided up to $1,500 in additional offset for incomes between $37,000 and $126,000. It was a temporary COVID-era measure. LMITO EXPIRED after the 2021-22 income year. It does NOT apply to 2022-23, 2023-24, or 2024-25 returns. Taxpayers who previously received LMITO will not see it in recent returns - this is correct.
• Low Income Superannuation Tax Offset (LISTO): Not to be confused with LITO or LMITO. LISTO is a government co-contribution of up to $500 paid directly into the super accounts of low-income earners (taxable income below $37,000). It refunds the 15% contributions tax on concessional contributions for eligible low-income earners.
• Senior and Pensioners Tax Offset (SAPTO): Available to eligible seniors (receiving qualifying Australian Government pension or meeting age/income tests). Maximum offset of $2,230 for singles, $1,602 each for couples. SAPTO effectively raises the tax-free threshold for eligible seniors to approximately $32,279 (single) and $28,974 each (couple). Eligible seniors with income below these thresholds pay zero income tax.
• Private Health Insurance (PHI) Rebate: Not technically a tax offset but works similarly - reduces your private health insurance premiums or appears as a refundable offset at tax time. The rebate is income-tested: maximum tier (Base) for singles earning below $93,000, reducing through tiers, and nil above $144,000 (single) or $288,000 (family). Adjusting your rebate tier during the year via your health fund avoids a tax debt or refund at lodgement.

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Australia's tax system has numerous legitimate mechanisms to reduce personal income tax. These are not loopholes - they are designed features of the tax system, available to all eligible taxpayers.

• Salary sacrifice into superannuation: Contributions from pre-tax salary are taxed at 15% inside the fund - saving up to 32% vs the 47% top marginal rate. The concessional cap is $30,000 for 2024-25 (including employer SG contributions). Particularly powerful for 32.5%+ taxpayers.
• Negative gearing: Investment losses (from property, shares, or managed funds) are deductible against other income in the year incurred. The ATO does not limit how much you can claim - but the loss must be genuine and the investment must be held with a genuine profit expectation.
• Deductible personal super contributions: If you are self-employed, a contractor, or have undeducted income, you can make personal contributions and claim them as a deduction (up to the concessional cap). Requires a Notice of Intent lodged with the fund before your tax return.
• Prepay deductible expenses before 30 June: Investment loan interest, income protection premiums, and other deductible expenses can be prepaid up to 12 months in advance - bringing the deduction forward to the current year. Useful if your income is higher this year than expected next year.
• Income splitting via a family trust: If you operate a business through a discretionary trust, distributions can be directed to lower-income family members (adult beneficiaries on lower marginal rates). This must be a genuine business structure - the ATO scrutinises income splitting arrangements closely under the trust-tax and PSI provisions.
• Timing capital gains: If you are planning to sell an asset that will crystallise a capital gain, ensure you have held it for 12+ months (50% CGT discount) and consider selling in a year when your income is lower - for example, after retiring, taking parental leave, or returning to study.

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