Salary Sacrificing into Super Pros and Cons: How Awards and the National Minimum Wage Affect Your Decision

Salary Sacrificing into Super Pros and Cons

Salary sacrificing into super means you agree with your employer to forgo part of your pre-tax salary in exchange for extra super contributions. The money goes into your super fund and is taxed at 15% instead of your marginal rate. This can be a smart tax strategy, but it’s not for everyone. The pros and cons depend heavily on your earnings, especially if you are on an award rate or the national minimum wage.

How the Salary Index Helps

The Salary Index benchmarks full-time adult ordinary-time earnings at 100 – that’s $108,352 a year (May 2026 ABS data). Your personal index is your gross annual pay divided by that number, times 100. For example, the national minimum wage gives an index of 48.2 ($52,255). A retail trade worker on the average for that industry sits at index 75.9 (about $82,000). Knowing your index helps you see where you sit relative to the national line and judge whether salary sacrifice makes sense.

The Pros of Salary Sacrificing into Super

• Tax savings: If your marginal tax rate is 30% or higher, the 15% tax on super contributions saves you 15% plus 2% Medicare – a total of 17% on every dollar sacrificed. For someone on index 100 ($108,352), the marginal rate is 30%, so sacrificing $10,000 saves about $1,700 in tax.
• Forced savings: The money is locked away until preservation age (currently 60), which helps build retirement savings.
• Lower taxable income: Can reduce your Medicare levy surcharge if applicable, and may keep you below thresholds for certain government benefits.

The Cons of Salary Sacrificing into Super

• Reduced take-home pay: You have less cash now. For low earners, this can be a real strain.
• Super guarantee reduction: Your employer’s mandatory 12% super is calculated on your reduced ordinary time earnings. If you sacrifice $5,000, your employer pays $600 less in super. You need to check that your total contributions (employer plus sacrifice) still exceed what you would have had without sacrificing.
• Access restrictions: You cannot access the money until retirement, except in limited circumstances.
• Award and agreement limits: Some modern awards or enterprise agreements cap salary sacrifice or require it to be voluntary. Check your pay guides for your award.

Awards vs National Minimum Wage: Who Benefits Most?

Workers on the national minimum wage (index 48.2) have a marginal tax rate of 15% (plus 2% Medicare) on income above $18,200. The tax saving from salary sacrifice is only the 2% Medicare levy – a very small benefit. Meanwhile, the reduction in take-home pay can be significant. For example, sacrificing $1,000 a year saves just $20 in Medicare but leaves you $980 short in your pocket. That’s rarely worthwhile.

Award workers in industries like retail (index 75.9) or accommodation and food services (index 72.5) typically earn between $50,000 and $80,000. Their marginal rate is 30% (plus Medicare). Sacrificing $5,000 saves about $1,600 in tax (30% + 2% = 32% vs 15% = 17% saving). But they also lose $600 in employer super guarantee (12% of $5,000). Net benefit: about $1,000 a year. That can add up over time, but only if you can afford the lower take-home pay.

Higher earners – say a professional on index 114.7 (about $124,000) – are in the 37% bracket. The tax saving is 22% plus Medicare, so sacrificing $10,000 saves about $2,400. The super guarantee loss is $1,200, netting $1,200. Plus, they may reduce the Medicare levy surcharge.

State and Industry Context

Your state also matters. Workers in the ACT (index 109.9) or WA (106.9) tend to earn more, making salary sacrifice more attractive. In Tasmania (88.6) or SA (94.6), average earnings are lower, so the benefit is smaller. Similarly, industries like mining (154.7) have high earners who benefit greatly, while retail and hospitality workers see modest gains.

How the Index Works

To calculate your own index, divide your gross annual salary by $108,352 and multiply by 100. For example, if you earn $60,000, your index is 55.4. That tells you you’re about halfway between the national minimum wage (48.2) and the national line (100). Use how the index works to learn more.

Final Thoughts

Salary sacrificing into super has clear pros and cons. For award workers near the national minimum wage, the tax benefit is tiny and the cash flow hit is real. For those on higher award rates or above-award wages, the savings can be worthwhile, but you must account for the super guarantee reduction. Always check your award or agreement and consider your personal financial situation. The topics page has more on super and tax strategies.