According to the Economist's GDP-adjusted Big Mac index as at July 2026, a Big Mac costs 43.7% more in Uruguay than in the United States. Based on differences in GDP per person, a Big Mac should cost 19% less. This suggests the Uruguayan peso is 77.4% overvalued, the most overvalued currency in the index. The same method suggests that the South African rand is 29.9% undervalued.
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