There are 21 official
Yes members who toured as a member of the group:
Jon Anderson (Vocals, 1968-80; 83-88; 91-04),
Chris Squire (Bass, 1968-2015),
Peter Banks (Guitars, 1968-70),
Tony Kaye (Keyboards, 1968-71; 83-94; 2018-19),
Bill Bruford (Drums, 1968-72; 91-92), Tony O'Reilly (Drums, 1968),
Steve Howe (Guitars, 1970-81; 91-92; 95-present),
Rick Wakeman (Keyboards, 1971-74; 76-80; 91-93; 95-96; 2002-04),
Alan White (Drums, 1972-present),
Patrick Moraz (Keyboards, 1974-76),
Geoff Downes (Keyboards; 1980-81; 2011-present),
Trevor Horn (Vocals, 1980-81),
Trevor Rabin (Guitars, 1983-94),
Billy Sherwood (Rhythm Guitar, 1994; 97-00, Bass, 2015-present),
Igor Khoroshev (Keyboards, 1997-00),
Tom Brislin (Keyboards, 2001),
Oliver Wakeman (Keyboards, 2008-11),
Benoît David (Vocals, 2008-12),
Jon Davison (Vocals, 2012-present),
Jay Schellen (Drums, 2016-17, 18) and
Dylan Howe (Drums, 2017).