The Official Singles Chart is a weekly ranking of the most popular singles in the United Kingdom. It is compiled by Official Charts Company based on sales data from physical and digital downloads, as well as streaming figures. The chart reflects the current music trends and consumer preferences. The chart is published every Friday and includes a variety of music genres. It serves as a key indicator of a single's commercial success and is widely referenced by artists, record labels, and media outlets. The Official Singles Chart has been a staple of the UK music industry since its inception in 1952.