These are pretty standard demographic classifications in Britain, used in marketing and such-like: http://en.wikipedia.org/wiki/NRS_social_grade http://en.wiki

These are pretty standard demographic classifications in Britain, used in marketing and such-like: http://en.wikipedia.org/wiki/NRS_social_grade http://en.wikipedia.org/wiki/NRS_social_grade In, for example, the media you'll quite regularly come across such things as "Over 50% of our audience are ABC1s".