Most successful judge based on #1's
 

Most successful judge based on the #1 singles by their acts.

Simon Cowell - 14 (Steve Brookstein 1, Leona Lewis 3, Olly Murs 4, 1D 4, Zayn 1, Ben Haenow 1

Louis Walsh 6 (Shayne Ward 1, JLS 5)

Cheryl Cole 6 (Alexandra Burke 3, Diana Vickers 1, Cher Lyold 1, Joe McElderry 1)

Tulisa 5 (Little Mix 4, Ella Henderson 1)

Sharon Osbourne 2 (Chico 1, Sam Bailey 1)

Danni Minogue 2 (Leon Jackson 1, Matt Cardle 1)

Nicole Scherzinger 2 (James Arthur 2)