What are the differences between the U.S. dollar vs. the euro?

The U.S. dollar is the official currency of the United States, whereas the euro is the official currency of the Eurozone, which consists of 18 member states of the European Union. The U.S. dollar is the most dominant reserve currency in the world and is used in international transactions.

The euro is the second largest reserve currency in the world. The U.S. dollar is the most traded currency in the world, whereas the euro is the second most. The U.S. dollar currency sign is written as $, whereas the euro currency sign is written as €. The dollar was established as a currency in 1792, whereas the euro was adopted in 1995.