See how management fees silently erode your investment returns — and how much a low-fee strategy saves over time.
Why Fees Matter More Than You Think
A 1% fee sounds trivial. But compounding works against you just as powerfully as it works for you. Over 30 years, a 1% annual fee on a $100,000 portfolio growing at 8% costs over $130,000 in lost wealth — more than the original investment.
How MER Fees Work
The MER is deducted daily from the fund's net asset value. You never receive an invoice — the return you see is already net of the fee. A fund returning 8% gross with a 0.2% MER returns 7.8% net. The difference compounds year after year.
A worked example
$50,000 invested with $12,000 a year added, at 8% gross over 20 years. A 1.00% MER leaves $685,430 instead of $782,191 — $96,761 of fees, or 12.4% of the end balance, gone to a number on a PDS.
Australian ETF Fees vs Global Benchmarks
- Australian index ETFs (VAS, A200): 0.07–0.10% p.a.
- Global index ETFs (VGS, BGBL): 0.18–0.22% p.a.
- Actively managed ETFs: 0.5–1.5% p.a.
- Traditional managed funds: 1.0–2.0% p.a.
- Some super funds: 0.5–1.5% p.a. total cost
Switching from a 1% fee fund to a 0.2% fund on a $200,000 portfolio saves approximately $1,600/year in fees — which then compounds into significantly more over time.
Frequently Asked Questions
What is a management expense ratio (MER)?
The MER is the annual fee charged by a fund as a percentage of your investment. It is deducted daily from the fund's assets and reduces the fund's return. A 0.2% MER means you pay $2 per year for every $1,000 invested — it compounds silently over time.
What is a typical ETF MER in Australia?
Australian index ETFs are among the cheapest in the world. Broad market ETFs like VAS and A200 charge 0.07–0.10% p.a. Global ETFs like VGS charge around 0.18%. Actively managed ETFs typically charge 0.5–1.0% p.a. or more.
How much do fees cost over 20 years?
The impact is substantial. On a $100,000 portfolio growing at 8% p.a. for 20 years, a 0.2% MER costs about $18,000 in lost returns. A 1% MER costs about $80,000 — nearly the entire original investment. Fees compound in reverse just as powerfully as returns compound forward.
Should I choose active or passive funds?
Decades of research show that the majority of actively managed funds underperform their benchmark index after fees over 10+ year periods. For most investors, low-cost index ETFs are the evidence-based choice.
What other fees should I watch out for?
Beyond the MER, watch for brokerage fees (charged each time you buy or sell), buy/sell spreads on the ASX, and platform fees if you use a managed account or robo-adviser. Total cost of ownership matters, not just the MER in isolation.