[1] The chart is compiled based on iTunes sales, Apple Music streams, and radio airplay from the stations that broadcast the show.

The algorithm differs to that of the UK Singles Chart, which includes physical sales, as well as downloads and streaming from all sources, but does not take radio airplay into account.

It is known as the “chart of the year” Will Manning is the programme's current host, having taken over from Marvin Humes and Kat Shoob in January 2019.

In September 2018, Bauer announced that their Hits Radio Network would stop carrying the show after the expiration of its contract at the end of 2018.

Global, which produced the show, made the decision to withdraw the programme from syndication to the wider commercial radio network.