As of January 31, 2019, there are approximately $1.7 trillion in circulation, of which $1.65 trillion is in Federal Reserve Notes (the remaining $50 billion is in the form of U.S. dollar coins (such as the Sacagawea or presidential dollar). A few countries use the Federal Reserve Notes for paper money, while still minting their own coins, or also accept U.S. Besides the United States, it is also used as the sole currency in two British Overseas Territories in the Caribbean: the British Virgin Islands and Turks and Caicos Islands.

Several countries use it as their official currency, and in many others it is the de facto currency. dollar is the world's primary reserve currency. As it is the most used in international transactions, the U.S. currency into any precious metal, the U.S. Since the suspension in 1971 of convertibility of paper U.S. The circulating paper money consists of Federal Reserve Notes that are denominated in United States dollars. In practice, the dollar is divided into 100 smaller cent (Вў) units, but is occasionally divided into 1000 mills (в‚Ґ) for accounting. dollar, or American dollar) is the official currency of the United States and its territories per the United States Constitution since 1792. The United States dollar (sign: $ code: USD also abbreviated US$ and referred to as the dollar, U.S. As of August 2018, with more than в‚¬1.2 trillion in circulation, the euro has one of the highest combined values of banknotes and coins in circulation in the world, having surpassed the U.S. The euro is the second-largest reserve currency as well as the second-most traded currency in the world after the United States dollar. Additionally, 240 million people worldwide as of 2018 use currencies pegged to the euro. Outside Europe, a number of special territories of EU members also use the euro as their currency. The currency is also used officially by the institutions of the European Union, by four European microstates that are not EU members, as well as unilaterally by Montenegro and Kosovo. The euro is the second-largest and second-most traded currency in the foreign exchange market after the United States dollar, and is divided into 100 cents. This group of states is known as the eurozone or euro area, and counts about 343 million citizens as of 2019. The euro (sign: в‚¬ code: EUR) is the official currency of 19 of the 28 member states of the European Union.

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