Index Funds vs ETFs: What's the Difference for Australian Investors?

The Core Difference

Both index funds and ETFs aim to track the performance of a market index. The fundamental difference is how you access them:

• ETF (Exchange-Traded Fund): Listed on the stock exchange (ASX) and bought/sold throughout the trading day like shares, via a brokerage account
• Index Fund (Unlisted/Managed): Purchased directly from a fund manager; priced once daily at the end of the trading day

In Australia, the ETF has become by far the dominant choice for retail investors. The unlisted index fund route still exists but has fewer compelling advantages.

ETFs on the ASX

Australian-listed ETFs have exploded in number and variety. Key providers:

Vanguard Australia

• VAS — Vanguard Australian Shares Index ETF (ASX 300, MER 0.07%)
• VGS — Vanguard MSCI Index International Shares ETF (Developed markets ex-AU, MER 0.18%)
• VDHG — Vanguard Diversified High Growth ETF (90% growth/10% defensive, all-in-one, MER 0.27%)

Betashares

• A200 — Australia 200 ETF (ASX 200, MER 0.04% — among cheapest on ASX)
• DHHF — Diversified All Growth ETF (100% growth, all-in-one, MER 0.19%)
• NDQ — Nasdaq 100 ETF (US tech focus, MER 0.48%)

iShares (BlackRock)

• IVV — iShares S&P 500 ETF (ASX-listed, MER 0.04%)
• IOZ — iShares Core S&P/ASX 200 ETF (MER 0.05%)

Unlisted Index Funds in Australia

Vanguard Australia offers a range of unlisted index funds with a $5,000 minimum investment. These can be accessed directly via Vanguard's personal investor platform. The MERs are competitive (though slightly higher than their ETF counterparts).

The main advantage of unlisted index funds: no brokerage costs per transaction, which matters for small, regular investment amounts (e.g., $200/fortnight).

Cost Comparison

Factor	ETF (ASX-listed)	Unlisted Index Fund
MER (annual fee)	0.04%–0.27%	0.20%–0.40%
Brokerage per trade	$0–$9.50	Nil
Minimum investment	1 share (~$50–$150)	Typically $5,000
Buy/sell timing	Real-time (market hours)	End of day pricing
Tax statement	Standard AMMA statement	Standard AMMA statement

For lump-sum investors ($5,000+ at a time): Either works, but ETF brokerage is negligible relative to invested amount.

For regular small investors ($200-$500/fortnight): Unlisted index funds or micro-investing apps (Spaceship Voyager, Raiz) avoid brokerage eroding returns on small amounts. Alternatively, Pearler allows AutoInvest into ETFs with $0 brokerage on automated investments.

Inside Superannuation

Within super, your investment options are usually managed fund structures (not ASX-listed ETFs). You choose from a menu of options — not individual ETFs. The terminology can be confusing:

• "Index option" inside super = fund tracks an index, similar philosophy to ETF investing
• Look for low-fee index options in your super menu rather than managed/active options
• Australian Super's index options charge around 0.05%–0.10% MER within super

The compulsory super system means most Australians already have significant index fund exposure through their super — they just may not realise it.

Tax Considerations for Australian Investors

Capital Gains Tax (CGT): When you sell ETFs in a taxable account, any gain is assessable income. If you have held for 12+ months, the 50% CGT discount applies — only half the gain is added to your taxable income.

Dividends/Distributions: Australian ETFs distribute income (dividends + franking credits) periodically. You report these in your tax return. Franking credits from Australian-focused ETFs (VAS, A200, IOZ) can offset your tax bill significantly.

DRP (Dividend Reinvestment Plan): Some ETFs offer DRP — distributions reinvested automatically as additional units. Convenient for compounding, though you still pay tax on the income reinvested.

The Simple Starting Point for Australians

If you want a no-fuss entry point into index investing in Australia:

Option 1: All-in-one ETF

• Buy VDHG or DHHF on the ASX via a brokerage account (Selfwealth, Pearler, CMC)
• These single funds provide Australian + international diversification automatically
• Annual MER: 0.19%–0.27%

Option 2: Two-fund portfolio

• 30% VAS or A200 (Australian shares)
• 70% VGS or IVV (global shares)
• Annual blended MER: approximately 0.10%

Both approaches give broad global diversification at low cost. The best portfolio is the one you will maintain through a 30-40% market drawdown without panic-selling.