2022–23 UEFA Champions League
A total of 78 teams from 53 of the 55 UEFA member associations participate in the 2022–23 UEFA Champions League (the exceptions being Russia, who are banned from participating due to 2022 Russian invasion of Ukraine, and Liechtenstein, which does not organise a domestic league). The association ranking based on the UEFA association coefficients is used to determine the number of participating teams for each association: