Global exchange rates, to go: The Big Mac index

The Economist’s interactive currency-comparison tool

The Economist’s interactive currency-comparison tool

Track global exchange rates over time with The Economist’s Big Mac currency index

THE Big Mac index is a lighthearted guide to whether currencies are at their “correct” level. It is based on the theory of purchasing-power parity (PPP), the notion that global exchange rates should eventually adjust to make the price of identical baskets of tradable goods the same in each country. Our basket contains just one thing, a Big Mac hamburger.

Track global burger-based exchange-rates over time with our interactive Big Mac index (updated January 12th 2017).

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