Are index funds still a good idea if you don't live in the US? In Australia for example, due to differences in things like capital gains tax rates, the existence of franking credits, tax exempt options like your main residence, and whatever else I'm not aware of, I'm not sure.
Yes, buy index funds on U.S., EU, and Australian stocks. The ideal index fund would invest in every single asset class in the world in proportion to that asset's relative size in the world's economy.
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