The 500 most-used passwords. I don’t know what mechanism they used to determine that, but it’s an interesting list. (But also contains a lot of vulgarity, so be warned if you don’t like to read icky words). Some of them I expected: past research has shown that a lot of men tend to choose their wives’ names as passwords, so women’s names are pretty common passwords. “trustno1” was Fox Mulder’s password on the X-Files. “password” and “qwerty” are trivially easy.
The site makes this claim:
Approximately one out of every nine people uses at least one password on the list shown in Table 9.1! And one out of every 50 people uses one of the top 20 worst passwords