List of Billboard number-one rap singles of the 1980s and 1990s

Hot Rap Songs is a record chart published by the music industry magazine Billboard which ranks the most popular hip hop songs in the United States. With hip hop having greatly increased in mainstream popularity in the late 1980s, Billboard introduced the chart in their March 11, 1989 issue under the name Hot Rap Singles.

Source: Wikipedia — List of Billboard number-one rap singles of the 1980s and 1990s (CC BY-SA 4.0)