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.
2. "Physical" by Olivia Newton-John
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Since July it has also incorporated streaming data, and from 10 July has been based on a Friday to Thursday week. The chart was founded in by Percy Dickins of New Musical Express NME , who telephoned 20 record stores to ask what their top 10 highest-selling singles were. Dickins aggregated the results into a top 12 hit parade , which was topped by " Here in My Heart " by Al Martino. NME ' s chart was published each week in its eponymous magazine. The act that has achieved the most number ones is American entertainer Elvis Presley , who has topped the chart 21 times — Presley's second number one, " Jailhouse Rock " was the first single ever to debut at the top of the chart. In the s the required number of sales needed to top the chart was roughly , Eventually, streaming was incorporated into the sales chart.
Subscriber Account active since. The Hot is widely considered the definitive all-genre singles chart in the US. In its year history , over 1, songs have reached the coveted No. Only 39 songs have achieved the rare feat. Keep scrolling for the complete list, in chronological order. It also became the fastest song in history to be certified diamond. Insider logo The word "Insider". Close icon Two crossed lines that form an 'X'.