Almost 20 billion Euro Bank notes, according to data from the European Central Bank (ECB) currently in circulation. Most of the Fifties is widespread.
46 percent of all Bank notes have a face value of 50 Euro. Thus, the just updated bill is the most widely-Euro-Banknote. It’s the twenties (17.3 percent) and the hundreds (12.3 percent). The rarest is the two-hundreds (1.2 percent), and is beaten even by the 500 Euro note (2.7 percent).