The Rock & Roll Hall of Fame referred to the thirteen 2021 inductees as the most diverse list in the history of the organization.
"This diverse class of talented inductees reflects the Hall's ongoing commitment to honor artists whose music created the sound of youth culture." John Sykes, Chairman of the Rock & Roll Hall of Fame Foundation, via NPR News.
Here is the complete list of 2021 inductees, separated by four categories.

Performers Category:
Foo Fighters
Jay-Z
The Go-Go's
Carole King
Todd Rundgren
Tina Turner.

Early Influence Award:
Kraftwerk
Gil Scott-Heron
Charley Patton

Musical Excellence Award:
LL Cool J
Billy Preston
Randy Rhoads
Ahmet Ertegun Award
Clarence Avant