If we wanted to take a look at the statistics behind 4-digit pin numbers how could we do such a thing? After all, it’s not like people are just going to tell you the code they like to use.

Conversely, here is a table of the least used 4-digit PIN numbers. The least popular number in the dataset obtained by Berry was '8068,' with only 25 of the 3.4 million numbers. In terms of ...