Board Thread:Questions and Answers/@comment-5751180-20131203182819/@comment-5751180-20131203183100

Chart Archive says that 12,160 artists (lead) have charted on the top 100 up to 17/11/2012, but as it says, that is only the lead artists, the top 100, and only up to 17/11/2012, so there must be about 20,000 by now!