Infographic that has been cited several times in the Facebook privacy discussion.
However, the argument that the privacy settings are too complex, is a red herring.
Given the richness of Facebook's functionality, it's normal there are that many privacy settings. Indeed, we want users to have granular/detailed control about what they reveal and not. Compared to other sites, FB privacy controls excel in usability.
The privacy issue with Facebook is not the complexity of the privacy settings, but the choice of default settings, the fact that Facebook changes those defaults and pushes, even misleads people into opening up their profile and in some cases unilaterally decided that part of your profile was publicly available from that time on.