The clan is well-organized around the globe. As the dominate governing body, the Clan Maclean International Association is responsible for promoting and supporting the regional Maclean Clan organizations’ growth and involvement of the Clan and its members. All of the regional associations are self-governed and their presidents collectively make up the Clan Maclean International Association. Each regional association promotes the socialization and kinship of its members. Membership requirements vary among the associations.