What is the common currency used by most nations of the EU?

The euro is the common currency used by most nations of the European Union. It was introduced to promote economic stability and integration among member countries, facilitating trade and investment by providing a single currency that eliminates the need for currency exchange among EU members. The euro operates as the official currency in 19 of the 27 EU countries, collectively known as the Eurozone.

The decision to adopt a common currency like the euro was driven by the desire to create a more interconnected European economy, enhance price transparency, and strengthen the economic influence of the region globally. By using the euro, member states can benefit from lower transaction costs and reduced risks associated with currency fluctuations.

The other currencies listed, such as the franc, dollar, and pound, are not used as a common currency within the EU. The franc was used in some European countries before they adopted the euro, the dollar is the currency of the United States, and the pound is primarily associated with the United Kingdom, which, while a part of Europe, has opted not to adopt the euro as its currency.