One of the most common financial questions for working Australians: should I put extra money into super or invest directly in shares? Both are legitimate wealth-building strategies — but they have different tax treatment, accessibility, and long-term implications.
Key Takeaways
- Concessional super contributions are taxed at 15% on the way in; direct share investments use after-tax money
- Tax on earnings: 15% in super accumulation, 0% in pension phase; vs marginal tax rate on dividends and capital gains for direct shares
- Direct shares are fully accessible at any time; super is generally preserved until age 60
- For anyone in the 32.5%+ marginal tax bracket, concessional contributions into super are typically more tax-efficient than investing directly
- A balanced approach — max concessional contributions first, then invest additional savings in direct shares — suits most working Australians
The Core Tradeoff
| Feature | Extra super contributions | Direct share investment |
|---|---|---|
| Tax on contributions | 15% (concessional) | No tax on contribution |
| Tax on investment earnings | 15% (accumulation), 0% (pension phase) | Marginal rate on dividends/income |
| Tax on capital gains | 10% (with 12-month discount in super) | Marginal rate × 50% (with CGT discount) |
| Accessibility | Preserved until age 60 (generally) | Accessible anytime |
| Flexibility | Limited (can’t change investment strategy freely) | Full control |
| Franking credits | Used to offset fund tax | Refunded as cash (for low taxpayers) |
When Extra Super Wins
1. Tax Efficiency on the Way In (Concessional Contributions)
Concessional contributions (salary sacrifice or personal deductible) are taxed at 15% instead of your marginal rate. If your marginal rate is 32.5%, 37%, or 45%, every dollar you salary sacrifice into super is taxed at only 15% — a significant saving:
- On $10,000: Tax savings of $1,750–$3,000 compared to taking it as income and investing
2. Long Time Horizon
For money you genuinely won’t need until retirement (20–30 years away), the compounding of tax savings inside super is powerful. The lower tax on earnings inside super (15% vs marginal rate on dividends/income) compounds significantly over decades.
3. Approaching Retirement
In pension phase, super investment earnings are taxed at 0%. No other personal investment vehicle provides tax-free growth and income. For those within 10 years of retirement, maximising super is often the priority.
When Direct Shares Win
1. You Need Access Before Retirement
Super is generally inaccessible until age 60. If you’re 35 and want to build wealth you can use before retirement (financial independence, buying property, business opportunities), direct shares are accessible anytime.
2. Low-Income Years
If your marginal rate is 19% (income $18,201–$45,000), the tax advantage of concessional contributions (15% vs 19%) is small — particularly after the Medicare levy. The loss of accessibility may not be justified.
3. You Want Franking Credit Refunds
If your marginal tax rate is zero (very low income), franking credits on Australian shares can be refunded as cash — effectively a tax refund you don’t get inside super (where franking offsets the 15% fund tax rate).
4. Flexibility for Life Events
Shares held personally can be sold for any purpose — home deposit, business investment, travel, medical expenses. Super cannot.
A Combined Approach
Many Australians use both:
- Super for tax-efficient long-term retirement savings (max concessional contributions)
- Direct shares (or ETFs) for accessible, flexible medium-term wealth building
The allocation depends on age, income, time horizon, and personal goals.
Practical Benchmarks
- Age 20–40: Build both; prioritise shares if you want pre-retirement flexibility
- Age 40–55: Increase super focus; tax advantage compounding accelerates
- Age 55–60: Maximise super (carry-forward contributions, high salary sacrifice); super can be accessed in 5 years
- Near retirement: Super’s 0% pension phase tax is the strongest argument
For more: Salary Sacrifice Super, Contribution Strategies, Super and Negative Gearing, Total Super Balance Explained. For advice on your situation, speak with a licensed financial adviser via MoneySmart.