How to track the U.S. dollar strength, exchange rates and other key currencies for more than 100 countries

Currency strength is the percentage of the value of the currency used to exchange goods and services in a given country.

A weaker currency means more demand for goods and more money in the economy.

Exchange rates are the rates a country charges another country for the same goods and/or services.

You can read more about how to track currency strength, the U and the euro in this story.