This is a comprehensive listing that highlights significant achievements and milestones based upon Billboard magazine 's singles charts, most notably the Billboard Hot This list spans the period from the issue dated January 1, to present. The Billboard Hot began with the issue dated August 4, , and is currently the standard popular music chart in the United States. These charts, which ranged from 20 to slots, were phased out at different times between and Though technically not part of the Hot chart history, select data from these charts are included for computational purposes, and to avoid unenlightening or misleading characterizations. In , for the 50th anniversary of the Hot , Billboard magazine compiled a ranking of the best-performing songs on the chart over the 50 years, along with the best-performing artists. Also shown are the artists placing the most songs on the overall "all-time" top song list.
The Official Chart, broadcast on BBC Radio 1 and MTV Official UK Top 40 , is the UK music industry's recognised official measure of singles and albums popularity because it is the most comprehensive research panel of its kind, today surveying over 15, retailers and digital services daily, capturing The OCC website contains the Top chart. The chart week runs from Friday to midnight Thursday,  with most UK physical and digital singles being released on Fridays. From 3 August until 5 July , the chart week ran from Sunday to midnight Saturday. The UK Singles Chart began to be compiled in The company regards a selected period of the New Musical Express chart only from to and the Record Retailer chart from to as predecessors for the period prior to 11 February , where multiples of competing charts none official coexisted side by side.
Australian Artist Singles. Australian Artist Albums. Compilation Albums. Here are the official top 50 songs, pop, rock and all genres:.