There are thus no strict rules to join Shinto, but they are usually considered to be believers if they install a household Shinto altar, make offerings to shrines, and participate in rituals.
その為、厳密な入信規定などは神道に存在しないが、神棚の設置、神社への寄付、祭事への参加などをもって信者と見る向きが多い。