At the end of 2010, there was about $1.2 trillion US Dollars (USD) worth of euros in circulation, the highest circulating value of any world currency. There were 14 billion euro banknotes and 93 billion euro coins in circulation. Roughly tied for second were the US Dollar and the Japanese yen, both with about $1 trillion USD in value circulating.
More about currency:
- The first European country to produce bank notes was Sweden in 1661.
- In 2009, 42.3% of all banknotes produced in the United States were $1 USD bills.
- In the US, the average coin stays in circulation for 25 years. A $1 USD bill stays in circulation for an average of 21 months, and $50 USD and $100 USD bills last about 4.5 years and 7.5 years, respectively. In the United Kingdom, a £5 pound sterling (GBP) note lasts about a year, and £50 GBP notes last for about five years.