I rank all the cheap all-world funds in which all-world fund is cheapest.
The trade-offs are mapped in the US-only vs global core debate.
Best Global ETFs for European Investors: Your Complete 2026 Guide
VWCE and IUSQ are both single-fund global portfolios, and the practical difference is index and price: VWCE tracks FTSE All-World at 0.14%, IUSQ tracks MSCI ACWI at 0.20%. VWCE holds more constituents, IUSQ is the older and larger fund at €30.8bn. Over a decade the 6 basis points costs about €60 a year per €100,000 — real, but smaller than the spread you pay by trading at the wrong time of day. If you have no strong view, VWCE is the cheaper of the two; if your broker only offers one commission-free, buy that one and stop optimising. The genuinely cheaper option than either is the Amundi Prime All Country World ETF (WEBN) at 0.07%, at the cost of a much shorter track record.
For wider context, see our VWCE vs FTSE All-World comparison hub for single-fund alternatives. Additionally, check the European ETF investing beginner roadmap 2026 if you are starting out.
Comparing funds is step one — the Masterclass turns it into a complete plan — fund choice, broker setup, YOUR country’s taxes and the first purchase, in 55 text lessons.
What is the difference between VWCE, IUSQ and ACWI?
Index and cost, and nothing else that will change your life. VWCE (IE00BK5BQT80, 0.14%) follows FTSE All-World; IUSQ (IE00B6R52259, 0.20%, €30.8bn) and SPDR ACWI (IE00B44Z5B48, 0.12%, €15.8bn) both follow MSCI ACWI. All three are Irish-domiciled, physically replicating, all-country funds covering developed and emerging markets, and their annual returns have historically sat within a percentage point of one another. The three biggest global UCITS ETFs are Vanguard VWCE, iShares IUSQ and SPDR ACWI. At the headline level, they look almost identical. However, each tracks a different benchmark with materially different rules. Notably, VWCE follows the FTSE All-World index methodology. By contrast, IUSQ and ACWI replicate the MSCI ACWI methodology.
For the bigger picture, start with our UCITS ETF comparison tool.
See our VWCE vs IWDA, VWCE vs VUAA, ISAC vs IWDA, best MSCI World ETFs, and best ex-US ETFs pieces.
How we compare: fund picks here follow our published ETF selection methodology — TER, tracking difference, liquidity and domicile, in that order.
Primary-Source Documents Every Global-ETF Investor Should Read
Vanguard publishes the VWCE KID on its UK professional product page. Meanwhile, iShares hosts the IUSQ documents on the iShares UK individual investor site. For an independent cross-check, use the justETF list of global all-world UCITS ETFs, Morningstar UK and ESMA.
Frequently Asked Questions
VWCE vs IUSQ: which should I actually buy?
VWCE, on cost, if your broker offers both without commission: 0.14% against IUSQ’s 0.20% is €60 a year per €100,000. But the two funds are close substitutes, not rivals — FTSE All-World and MSCI ACWI hold the same mega-caps in nearly the same weights, and the return gap between them has historically been well under a percentage point a year. IUSQ is the larger fund at €30.8bn and has been running since 2011, which matters for spreads on large orders. Owning either one is a complete global equity portfolio; owning both is duplication, not diversification.
VWCE vs ACWI: how do they differ?
ACWI here means the State Street SPDR MSCI All Country World UCITS ETF (IE00B44Z5B48), not the US iShares fund of the same nickname. It charges 0.12% against VWCE’s 0.14% and holds €15.8bn, and it tracks MSCI ACWI rather than FTSE All-World. The MSCI index carries fewer constituents because of a different small-cap cut-off and a different treatment of South Korea and Poland. In practice you are choosing between two index committees, and 2 basis points.
What is the difference between FTSE All-World and MSCI ACWI for a European investor?
Both target large- and mid-cap stocks across developed and emerging markets. However, FTSE All-World (VWCE) typically holds more constituents than MSCI ACWI (IUSQ, ACWI). This reflects broader screens and different classification.
Do all these ETFs include emerging markets?
Yes. Notably, VWCE, IUSQ, ACWI, VWRL, WEBN (Amundi Prime All Country World, IE0003XJA0J9) and FWRA (Invesco FTSE All-World, IE000716YHJ7) are all-country funds. For developed-only options, see our best MSCI World ETFs guide.
How do the TERs compare and how much does that actually cost over a decade?
Fees range from 0.07% to 0.20% a year: 0.07% WEBN (Amundi Prime All Country World, IE0003XJA0J9), 0.12% SPDR ACWI (IE00B44Z5B48), 0.14% VWCE/VWRL (IE00BK5BQT80), 0.15% FWRA (Invesco FTSE All-World, IE000716YHJ7) and 0.20% IUSQ (IE00B6R52259). On EUR100,000 that is EUR70 to EUR200 a year, so the whole spread across the category is EUR130 a year — about one basis point of a decent trading day. All five figures were read off their justETF profiles on 26 August 2026.
Accumulating vs distributing – which is better for European investors?
It depends on your country of tax residence. In practice, accumulating funds (VWCE, IUSQ, WEBN) work better where dividends face harsher taxation. For deeper guidance, see the Bogleheads EU investing wiki.
Why do European investors use Irish-domiciled UCITS ETFs instead of US-listed ETFs?
The Ireland-US treaty cuts dividend withholding from 30% to 15% inside the fund. Moreover, EU retail investors usually cannot access US-listed ETFs without a PRIIPs KID. Crucially, UCITS gives ESMA-supervised protections. In addition, it avoids US estate-tax exposure.
For the actual after-tax cashflow, plug the gross yield into the net-of-tax dividend tool.
Can I just buy one global ETF or do I need several?
A single all-world UCITS ETF (VWCE, IUSQ, WEBN, ACWI) is a complete equity portfolio. For factor tilts, see our balanced ETF portfolio hub.
How often should I rebalance a global-ETF portfolio?
Use annual or 5-pp threshold rebalancing across asset classes. Notably, most EU brokers (Trade Republic, XTB, IBKR, Freedom24) support drift rebalancing.
For broader context, work through our European ETF investing beginner roadmap 2026. Additionally, pair it with the VWCE vs FTSE All-World comparison hub.
Replication Method, Tracking Difference and Execution Costs That Actually Decide Returns
Most European investors compare global ETFs only by TER. However, the TER is only one of four cost layers that decide your real return. In my experience after 11+ years of holding all-world UCITS funds, the gap between headline fee and realised tracking difference can exceed 30 basis points a year. Therefore, drilling into replication method, securities lending, spread and venue selection matters more than chasing a 0.05% TER cut.
VWCE uses physical sampling. The fund holds roughly 3,700 of the ~3,900 FTSE All-World constituents as of the May 2026 factsheet. By contrast, IUSQ tracks MSCI ACWI with optimised sampling across roughly 1,800 of the ~2,600 index members. SPDR ACWI follows the same MSCI benchmark with a similar optimised approach. Crucially, none of these funds use swaps or synthetic replication. For the actual rules on replication, index tracking and securities lending, read ESMA’s Guidelines on ETFs and other UCITS issues, which is the document the issuers are complying with.
Securities lending also shifts returns. Vanguard Ireland publishes that VWCE returned approximately 0.02% in net securities-lending income in 2024, with 100% of gross revenue passed back to the fund after agent fees. iShares Ireland discloses similar mechanics for IUSQ in the annual report on the iShares UK literature library. Consequently, a fund charging 0.22% can deliver a tracking difference closer to 0.15% net of lending income — that is arithmetic about the mechanism, not a current VWCE fee, which is 0.14%. By contrast, distributing share classes face a tax drag I cover below.
Execution costs are the last layer. Bid-ask spreads on Xetra average 4-6 basis points for VWCE during the 09:00-17:30 CET continuous session, based on Deutsche Borse public order-book data. However, spreads can widen to 15-20 basis points in the first 10 minutes after open or before the 11:00 NAV calculation window for US-heavy indices. In practice, I place limit orders within 2 ticks of the indicative NAV between 10:30 and 16:30 CET. Additionally, Borsa Italiana and SIX Swiss Exchange both list VWCE with comparable liquidity. Notably, Trade Republic routes to LS Exchange in Hamburg, where spreads are usually 1-2 basis points wider than Xetra but commission is zero. Therefore, for trades below EUR2,000 the LS spread is cheaper than IBKR’s EUR1.25 commission plus Xetra spread. Above that, IBKR usually wins on total cost of execution.
What is the realistic tracking difference versus TER for VWCE, IUSQ and ACWI?
Tracking difference (TD) is the gap between fund return and index return. Over the three calendar years 2022-2024, justETF data shows VWCE averaged a TD of about 0.18-0.20% versus the 0.22% TER it charged over that window — Vanguard cut the VWCE TER to 0.14% in 2025-26, so its forward TD should now be materially lower. IUSQ averaged 0.16-0.19% against a 0.20% TER. SPDR ACWI clocked 0.10-0.13% against a 0.12% TER. Notably, securities lending income, dividend withholding optimisation and sampling alpha all narrow the gap. You can verify these figures via Morningstar UK ETF rankings or the issuer KIDs.
Do any global UCITS ETFs use synthetic replication and should I avoid them?
Most large all-world UCITS ETFs are physical. However, Invesco MSCI World UCITS ETF (ticker SC0J on Xetra) uses synthetic replication and benefits from a US 871(m)-style swap structure that recovers a portion of US dividend withholding. The trade-off is counterparty risk via the swap collateral pool. UCITS rules cap exposure to a single OTC derivative counterparty at 5%, rising to 10% where that counterparty is an EU-authorised credit institution — an EU rule enforced for these funds by the Central Bank of Ireland, not by the FCA, which has had no authority over Irish-domiciled UCITS since Brexit. In my view, synthetic is acceptable for the US-only sleeve, but for true all-world exposure I prefer physical funds like VWCE or IUSQ.
Should I currency-hedge a global ETF back to EUR?
No, in most cases. Currency hedging costs roughly 0.15-0.25% a year in interest-rate differentials between EUR and USD as of mid-2026. Moreover, an unhedged all-world fund already gives you a diversified currency basket of roughly 60% USD, 6% JPY, 4% GBP and the remainder spread across other majors. Over 10+ year horizons, currency drift averages out for broad equity. Hedging makes sense only for fixed income or if you have a very short spending horizon in a single currency. The Bogleheads currency risk wiki covers this trade-off in detail.
Which exchange should I buy VWCE or IUSQ on as a European investor?
For tax-residence in Germany, Austria, Netherlands or the Baltics, Xetra is usually the best venue for liquidity and spread. By contrast, Italian residents save on the Tobin tax by using Borsa Italiana for the local share class. For Swiss residents, SIX is the natural home. Additionally, Trade Republic and Scalable Capital route to LS Exchange or Gettex, which are fine for orders below EUR5,000. For larger orders, I use IBKR with a Smart Routing limit order on Xetra. Notably, avoid placing market orders during the first 15 minutes of the trading day to escape the wider opening auction spreads.
Sources and further reading
- justETF — European UCITS ETF screener
- Morningstar UK ETF rankings
- ESMA — European Securities and Markets Authority
- Bogleheads wiki — EU investing
- ETF.com industry data
European UCITS/ETF investor with 11+ years building a global dividend and index portfolio, and founder of Financial Expert Class. I write every guide here from first-hand experience investing across EU brokers and tax regimes — not theory. More about me →