The Billboard charts rank the relative popularity of songs and albums, with the results published in Billboard magazine every week. The Billboard charts feature overall rankings and rankings by genre, including R&B, hip hop, country, dance, rock and jazz.
Billboard magazine began charting music popularity in 1936. By 1958, the song charts were consolidated into the Hot 100. As of 2015, Billboard magazine tabulates the Hot 100 and all Billboard charts by combining single sales, radio airplay, digital downloads and streaming activity. Fan interactions on social media such as Facebook, Twitter, Youtube and Spotify are also tracked.
Billboard magazine works with data partners including Nielsen BDS, Nielsen SoundScan and Next Big Sound to track music popularity.