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How to decide if I should take my money with me or leave it invested in my home country?
I will attempt to answer three separate questions here: The standard answer is that an emergency fund should not be in an investment that can lose value.  The safest course of action is to put it in a savings account or other very low risk investment somewhere. This question becomes: can a reasonable and low risk investment in Sweden be comparable to or better than a low risk investment in Brazil? Inflation in Brazil has averaged a little less than 6% over the last 10 years with a recent spike up above 8%.  A cursory search indicates interest rates on savings accounts in Brazil are outpacing inflation so you might still expect a positive return on money in a savings account there. By contrast, Sweden's inflation rate has been around 1% over the last 10 years and has hovered around 0 or even deflation in recent years.  Swedish interest rates for savings accounts right now are very low, nearly 0%.  Putting money in a savings account in Sweden would likely hold its value or lose a slight amount of value. Based on this, you might be better off leaving your emergency fund invested in BRL in Brazil. The answer to this a little unclear.  The Brazilian stock market has been all over the place in the last 10 years, with a slight downard trend in recent years.  In comparison, Sweden's stock market has shown fairly consistent growth in spite of the big dip in 2008.  Given this, it seems like the fairest comparison would your current 13% ROI investment in Brazil vs. a fund or ETF that tracks the Swedish stock market index. If we assume a consistent 13% ROI on your investment in Brazil and a consistent inflation rate of 6%, your adjusted ROI there would be around 7% per year. The XACT OMS30 ETF that tracks the Swedish OMS 30 Index has a 10 year annualized return of 9.81%.  If you subtract 0.8% inflation, you get an adjusted ROI 9%. Based on this, Sweden may be a safer place for longer term, moderate risk investments right now.