Most doctors don't think seriously about super until their mid-30s at the earliest — and by then, they've already lost some of the best compounding years. The good news: the tax benefits are significant, the catch-up rules are generous, and there are more levers available than most people realise. Here's how super actually works for doctors.
Key Takeaways
- The concessional contributions cap is $30,000 per year — every dollar you put in via salary sacrifice or personal deductible contributions gets taxed at 15% instead of your marginal rate.
- Doctors who had low super balances during training can use the carry-forward rule to make larger concessional contributions now and reclaim years of lost growth.
- Salary sacrifice is one of the most effective tax strategies for salaried doctors earning above $120,000.
- SMSFs offer control and flexibility but require genuine engagement — they're not set-and-forget vehicles and suit doctors at a specific stage, not every stage.
- What to prioritise changes at each career stage: getting the basics right in training matters more than most realise.
Quick Answer
Most doctors don't think seriously about super until their mid-30s at the earliest — and by then, they've already lost some of the best compounding years. The good news: the tax benefits are significant, the catch-up rules are generous, and there are more levers available than most people realise. Here's how super actually works for doctors.
Why Super Matters More Than You Think
Doctors start earning well later than most professionals. A GP completing vocational training might not hit a full salary until 30 or 31. A specialist often doesn't finish training until 35 or beyond. That's a decade or more where super contributions were minimal — a few thousand a year from part-time hospital rosters, if that.
By the time you're earning $250,000 as a consultant, you've got a lot of catching up to do. The problem is that most high-income earners at that stage are focused on the mortgage, the practice setup, and lifestyle costs — super is the thing that gets deferred for later.
But the compounding maths is unforgiving. An extra $30,000 contributed at 35 is worth roughly double at retirement compared to the same contribution made at 45. Getting deliberate about super early — even if early just means 32 instead of 39 — makes a real difference to the final balance.
Concessional vs Non-Concessional Contributions
These are the two buckets that matter.
Concessional contributions are pre-tax: your employer's compulsory super guarantee (11.5% in 2024–25), salary sacrifice contributions you arrange, and personal contributions you claim as a tax deduction. Everything going into this bucket is taxed at 15% inside the fund — much lower than the 39–47% marginal rate most doctors are paying on income above $120,000. The cap is $30,000 per financial year across all concessional sources.
Non-concessional contributions are after-tax: money you've already paid income tax on, now going into super. No tax is owed on the way in. The cap is $120,000 per year, or up to $360,000 over three years under the bring-forward rule. This is useful for doctors who've already maxed concessional contributions and want to push more into the tax-effective super environment.
If your super balance exceeds $1.9 million (the transfer balance cap), you can no longer make further non-concessional contributions. For most doctors, that's not an immediate concern — but it's worth knowing the ceiling exists.
See our detailed guide on concessional contributions for high-income doctors for worked examples and planning scenarios.
Salary Sacrifice: What It Is and When It Makes Sense
Salary sacrifice is an arrangement where you redirect part of your pre-tax salary into super rather than taking it as income. The redirected amount is taxed at 15% (super rate) instead of your marginal rate.
For a consultant on $300,000, the top marginal rate is 47%. Salary sacrificing $20,000 into super instead of taking it as income means paying $3,000 tax on that $20,000 rather than $9,400. That's a $6,400 saving on a single decision.
Samira is a radiologist employed by a private practice. She salary sacrifices $22,000 per year on top of her employer's SG contributions. Combined, her concessional contributions hit the $30,000 cap. She does this every year, keeps receipts of her SG and salary sacrifice amounts, and her accountant confirms they're within the cap before 30 June.
Salary sacrifice makes the most sense for salaried employees who have flexibility to adjust their pay packaging. If you're a contractor or practice owner paying yourself from a company, there are other mechanisms — personal deductible contributions work the same way and are claimed in your tax return.
For more detail on setting this up, see our guide to salary sacrifice super for doctors.
SMSF for Doctors: The Appeal, the Complexity, the Reality
Self-managed super funds attract a lot of interest from doctors. The appeal is control: you decide what the fund invests in, including direct property, shares, private equity, or even medical practice premises.
The reality is that an SMSF is a business in its own right. You're a trustee, which means legal responsibility for investment strategy, annual auditing, tax returns, compliance with SIS regulations, and every admin task in between. The ATO takes trustee obligations seriously — breaches result in penalties, and in some cases the fund can be made non-complying (which is catastrophic from a tax perspective).
For a doctor with a balance of $500,000 or more, the economics can make sense — especially if you want to hold direct property inside super or invest in a specific asset class. Below $300,000, the fixed running costs (audit, accounting, admin) often outweigh the benefits versus a well-run industry or retail fund.
Dr. Chris runs his own SMSF with his partner. They hold a mix of ASX shares and a commercial property. The annual administration costs around $4,000 — manageable against their combined balance of $1.2 million, and the investment control genuinely matters to them.
But Chris is also an engaged investor who reads financials and attends to his fund's compliance properly. Not every doctor has the bandwidth for that — and that's not a criticism, just a reality.
If you're considering this route, read our detailed breakdown of SMSF for medical professionals before you commit.
The Carry-Forward Rule: A Big Opportunity for Training-Era Doctors
This is one of the most underused strategies available to doctors.
If your super balance was below $500,000 at 30 June in the prior year, you can carry forward unused concessional contribution cap amounts from previous years (going back to 2018–19) and use them now. This means you can make concessional contributions well above the standard $30,000 cap in a single year.
For a doctor who spent five years as a resident on $70,000 with minimal super, the unused cap might add up to $50,000–$80,000 carried forward. Combined with the current year's cap, that creates a one-off window to make a significantly larger tax-deductible super contribution.
Jamie is an anaesthetist who finished training at 36. She now earns $450,000 in private practice and her super balance is $180,000 — low for her age because of training. Her accountant calculated she had $68,000 in unused carried-forward cap. She made a $98,000 concessional contribution that year ($30,000 current + $68,000 carried forward), deducted it all against income, and saved roughly $30,000 in tax while building her balance significantly.
This isn't a one-time trick — it's a legitimate strategy worth modelling every few years.
What to Prioritise at Each Career Stage
During training (intern to registrar): Even $5,000–$10,000 per year above the SG makes a compounding difference. If you're on a reasonable salary, start salary sacrificing something. It doesn't have to be aggressive.
Fellowship / early consultant years: This is where income jumps and the concessional cap becomes very worth filling. Model your carry-forward opportunity. Consider an SMSF if balance and interest in investing warrants it.
Established practice / peak earning years: Maximise concessional contributions every year. Use non-concessional contributions if you have surplus cash after lifestyle and investment costs. Review your super fund's performance and fees — many doctors are in low-performing retail funds from their internship days.
Pre-retirement: Get advice on transition to retirement strategies, pension phase, and how to sequence assets across super and non-super to minimise tax in drawdown.
Key Takeaways
- The concessional contributions cap is $30,000 per year — every dollar you put in via salary sacrifice or personal deductible contributions gets taxed at 15% instead of your marginal rate.
- Doctors who had low super balances during training can use the carry-forward rule to make larger concessional contributions now and reclaim years of lost growth.
- Salary sacrifice is one of the most effective tax strategies for salaried doctors earning above $120,000.
- SMSFs offer control and flexibility but require genuine engagement — they're not set-and-forget vehicles and suit doctors at a specific stage, not every stage.
- What to prioritise changes at each career stage: getting the basics right in training matters more than most realise.
Talk to a broker who actually understands medical income. Book a free call with Voyage Financial. https://www.voyagefinancial.com.au/contact