How many Reiki practitioners are there?

Not known

Not too many people know that Reiki is a spiritual practice developed in 1922 by Japanese Buddhist Mikao Usui.  Reiki has since been adapted by various teachers of varying traditions.  The main idea is that Reiki is a complementary/alternative therapy.  The number of Reiki practitioners and teachers is not known.   Keep in mind that Reiki teachings claim that Reiki is inexhaustible and that it can be used to induce a healing effect.  The main idea is that Reiki is described by adherents as a holistic therapy which brings about healing on physical, mental, emotional and spiritual levels.