Who is the most popular singer in the 1990s?

The most popular singer of the 1990s is often considered to be Whitney Houston, thanks to her powerful voice and numerous chart-topping hits, including "I Will Always Love You." Other notable artists from that era include Mariah Carey and Alanis Morissette, who also made significant impacts on the music scene. The decade was marked by a diverse range of genres, but Houston's influence and commercial success were particularly noteworthy.