The most commonly used global currencies are the US dollar, the euro, the Japanese yen, the British pound, and the Chinese yuan.

The US dollar is the most widely used currency in the world and is often used as a reserve currency by other countries. It is the primary currency for international trade and is accepted as a form of payment in many countries.

The euro is the second most commonly used currency and is used in the European Union member countries. It is also accepted in many other parts of the world as a form of payment.

The Japanese yen is the third most commonly used currency and is widely used in Asia for international trade and investment. It is also used as a reserve currency by many central banks.

The British pound is the fourth most commonly used currency and is used in the United Kingdom and some of its territories. It is also used as a reserve currency by some countries.

Finally, the Chinese yuan is the fifth most commonly used currency and is increasingly being used in international trade and investment. It is also becoming a more popular choice as a reserve currency for some countries.