The United States dollar (sign: $; code: USD; also abbreviated US$), also referred to as the U.S. dollar or American dollar, is the official currency of the United States of America and its overseas territories. It is divided into 100 smaller units called cents.
The U.S. dollar is the currency most used in international transactions and is one of the world's dominant reserve currencies. Several countries use it as their official currency, and in many others it is the de facto currency. It is also used as the sole currency in two British Overseas Territories, the British Virgin Islands and the Turks and Caicos islands.
The Canadian dollar (sign: $; code: CAD) is the currency of Canada. As of 2011, the Canadian dollar is the 7th most traded currency in the world, accounting for 5.3% of the world's daily share. It is abbreviated with the dollar sign $, or C$ to distinguish it from other dollar-denominated currencies. It is divided into 100 cents.