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Where are Bogleheadian World ETFs or Index funds?
You weren't really clear about where you are in the world, what currency you are using and what you want your eventual asset allocation to be. If you're in the US, I'd recommend splitting your international investment between a Global ex-US fund like VEU (as Chris suggested in his comment) and an emerging markets ETF like VWO.  If you're not in the US, you need to think about how much you would like to invest in US equities and what approach you would like to take to do so. Also, with international funds, particularly emerging markets, low expense ratios aren't necessarily the best value. Active management may help you to avoid some of the risks associated with investing in foreign companies, particularly in emerging markets. If you still want low expenses at all cost, understand the underlying index that the ETF is pegged to.