Billboard Hot 100 & Best Sellers in Stores number-one singles by decade |
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Before August 1958 |
After August 1958 |
Billboard number-one singles charts preceding the Billboard Hot 100 were updated weekly by Billboard magazine and the leading indicator of popular music for the American music industry since 1940 and until the Billboard Hot 100 chart was established in 1958.
Before the Billboard Hot 100 chart was established in August 1958, Billboard used to publish several weekly charts. Throughout most of the 1950s, the magazine published the following three charts to measure a song's popularity:
The chart shown in this article comes from the Best Sellers in Stores chart only.