UK Singles Chart - Wikipedia
https://en.wikipedia.org/wiki/UK_Singles_ChartThe UK Singles Chart (currently titled Official Singles Chart, with the upper section more commonly known as the Official UK Top 40) is compiled by the Official Charts Company (OCC), on behalf of the British record industry, listing the top-selling singles in the United Kingdom, based upon physical sales, paid-for downloads and streaming. The Official Chart, broadcast on BBC Radio 1 and MTV (Official UK Top 40), is the UK music industry's recognised official measure of …