Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. This is a list of recording artists who have reached number one on Billboard magazine's weekly pop singles chart(s). This list spans from the issue dated January 1, 1955 to the present. Prior to the creation of the Hot 100, Billboard published four weekly singles charts: "Best Sellers in Stores", "Most Played by Jockeys", "Most Played in Jukeboxes" and "The Top 100" (an early version of the Hot 100). The Hot 100 began with the issue dated August 9, 1958, and is currently the standard music popularity chart in the United States.

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