The Billboard Hot is the music industry standard record chart in the United States for songs, published weekly by Billboard magazine. Chart rankings are based on sales physical and digital , radio play , and online streaming in the United States. The weekly tracking period for sales was initially Monday to Sunday when Nielsen started tracking sales in , but was changed to Friday to Thursday in July This tracking period also applies to compiling online streaming data. Radio airplay, which, unlike sales figures and streaming, is readily available on a real-time basis, is tracked on a Monday to Sunday cycle previously Wednesday to Tuesday. As of the issue for the week ending on August 15, , the Billboard Hot has had 1, different number one entries. The chart's current number-one song is " Watermelon Sugar " by Harry Styles. Prior to , Billboard ' s lead popularity chart was the Honor Roll of Hits , established in
2. "Fantasy" by Mariah Carey
1. "You Are Not Alone" by Michael Jackson
Top Charts. Greatest of All Time. Breaking and Entering. Songs Of The Summer. Additional Charts. Watermelon Sugar. Taylor Swift. Blinding Lights. Greatest Hits.
Top 100 Songs
Subscriber Account active since. In the history of modern music rankings, only a handful of songs have ever debuted at No. The Hot is widely considered the definitive all-genre singles chart in the US.
The Rolling Stone Top is a song chart that ranks popular songs from today's most popular artists. Songs are ranked by Song Units, a number that combines audio streams and song sales using a custom weighting system. The song chart does not include any passive listening, such as terrestrial or digital radio. The Rolling Stone Top Song chart is updated daily, and each week Rolling Stone finalizes and publishes an official version of the chart, covering the seven-day period ending with the previous Thursday. Beta Back to All Charts. Monthly Trend NEW! Song Units Weeks at 1 1.