The comparison of the performances of all the clubs that participated in the UEFA Champions League is presented below. The qualifying rounds are not taken into account.
Classification CChampionFRunner-upSFSemi-finalsQFQuarter-finalsGS2R16Second group stageRound of 16KOKnockout round play-offs GSLPGroup stageLeague phase•Did not participate
Performance Countries are ranked by total number of participations, then by the number of different participating clubs, and then alphabetically. Clubs are ranked by number of participations, then by titles, runner-up finishes, semi-final appearances, quarter-final appearances, and finally alphabetically.