Regarding password statistics and differences between demographics, have a little shufti at these. Good read.
https://www.unix-ninja.com/p/Password_DNA
https://beta.unix-ninja.com/download/YXR0YWNobWVudHMvUGFzc3dvcmQgRE5BIEFwcGVuZGl4IG9mIENvbXBpbGVkIERhdGEucGRm
And a free wordlist, compiled from the list used to create these statistics (looks half decent);
https://beta.unix-ninja.com/download/YXR0YWNobWVudHMvZG5hLmRpY3Q