Top Dance Albums is a music chart published weekly by Billboard magazine which ranks the top-selling dance music albums in the United States based on sales compiled by Nielsen SoundScan. The chart debuted on the issue dated June 30, 2001 under the title Top Electronic Albums, with the first number-one title being the original soundtrack to the film Lara Croft: Tomb Raider. It originally began as a fifteen-position chart and has since expanded to twenty-five positions.