The History of Reiki: From Early-1900s Japan to Today

Reiki’s history spans roughly a century, from its founding in Japan in the early 1920s to its present-day presence in wellness settings around the world. The simplest way to hold the whole arc is as a chain of teachers: a founder in Tokyo, a clinic-running student who refined how it was taught, a Japanese-American woman who carried it across the Pacific, and then a rapid branching into many styles after the 1970s. This article walks that timeline decade by decade. Along the way it flags where the record is reasonably solid and where it leans on tradition and oral history, because the further back you go, the thinner the documentation becomes.

Origins in 1920s Japan

The story begins with Mikao Usui, commonly dated 1865 to 1926. The most concrete anchor is that, in the early 1920s, Usui established a teaching society in Tokyo. Sources frequently place this in April 1922, when he is said to have settled in the Harajuku area and founded the Usui Reiki Ryoho Gakkai, a society for teaching his healing method and offering treatments. A traditional account, widely repeated but not independently documented, attributes the method’s origin to a twenty-one-day meditation and fasting retreat on Mount Kurama near Kyoto, after which Usui is said to have gained the ability to channel and transmit a healing energy.

A note on dates: some reference entries place the development of his method around 1914, while practitioner accounts usually tie everything to the 1922 retreat and founding. The disagreement is real, and a careful timeline should present the early 1920s as the well-supported anchor while acknowledging that finer dates vary by source. Usui is reported to have taught roughly two thousand students before his death in 1926.

Hayashi and the Clinical Period

The next major link is Chujiro Hayashi, commonly dated 1880 to 1940. Hayashi is generally described as a former naval officer or physician who studied with Usui and then ran his own Reiki clinic in Tokyo. Accounts of his clinic describe a relatively structured, treatment-oriented setting, with multiple practitioners working on clients, and Hayashi is often credited with helping systematize hand positions and the way the method was taught. This is sometimes called the clinical period because the emphasis shifted toward organized treatment and documentation of cases within the tradition.

Hayashi’s historical importance comes largely from one of his patients and students. It was at Hayashi’s clinic in the mid-1930s that Hawayo Takata, a Japanese-American woman from Hawaii, received treatment and later trained. Without that encounter, the path Reiki took into the Western world would look very different. Hayashi died in 1940, but by then the bridge to the West had already been built.

Crossing to Hawaii and the West

Hawayo Takata, commonly dated 1900 to 1980, is the figure who carried Reiki out of Japan. Born in the then-Territory of Hawaii, she traveled to Japan in the mid-1930s, was treated at Hayashi’s clinic, and trained there before returning to Hawaii. Accounts commonly state that she established a Reiki practice in Hawaii in the late 1930s, modeled on what she had learned in Tokyo. For several decades, Takata was effectively the channel through which Reiki entered the Western world, and she is described as training a group of master teachers later in her life who would carry the practice onward.

This stretch of the timeline relies heavily on oral history. Much of what is known about Takata’s transmission comes from her own talks and from the recollections of her students rather than from a deep archive of contemporaneous documents. That does not make it false, but it does mean the details are sometimes inconsistent between tellings, and readers should treat very specific anecdotes with appropriate care.

The 1980s to 1990s Boom and New Lineages

After Takata’s death in 1980, Reiki entered its period of rapid expansion. The masters she had trained, along with their own students, spread the practice quickly across North America, Europe, and beyond. Sources describe Reiki reaching the Netherlands and other parts of Europe in the early-to-mid 1980s through teachers in Takata’s line. This is also when the single line of transmission fractured into many.

A well-documented split followed Takata’s passing: her granddaughter Phyllis Lei Furumoto and another senior teacher, Barbara Weber Ray, became associated with rival organizations, often described as The Reiki Alliance around Furumoto and a separate body, sometimes called The Radiance Technique, around Weber Ray. From the 1980s onward, new branded systems and styles also emerged, including later branches developed by Western organizations. The result is the crowded landscape of named Reiki styles that exists today, most of which still trace their descent back through Takata, Hayashi, and Usui.

Reiki’s Place Today

In the present day, Reiki is practiced worldwide as a complementary relaxation and wellness practice. It appears in private practices, in some spa and wellness settings, and in a number of hospitals where it is offered as a comfort-oriented complementary service alongside conventional care. Its scientific standing remains modest: bodies such as the National Center for Complementary and Integrative Health note that there is no scientific evidence for the energy field Reiki proposes, and that studies on its health effects have generally been small or of limited quality, with inconsistent results. What is fair to say is that many people find sessions relaxing, and that this relaxation experience is real and reportable even though the proposed mechanism is not scientifically established.

Seen as a whole, Reiki’s history is a chain of teachers more than a sequence of documented breakthroughs. Some links in that chain, such as the founding of a teaching society in Tokyo or the existence of Hayashi’s clinic, are reasonably well supported. Others, especially the founding legend and parts of the mid-century transmission, rest on tradition and oral history. Holding the timeline accurately means keeping that distinction visible at every step.

Frequently Asked Questions

When did Reiki reach Europe?
Reiki is generally described as reaching Europe in the early-to-mid 1980s, carried by teachers in Hawayo Takata’s line as the practice expanded rapidly after her death in 1980. Specific national accounts, such as Reiki arriving in the Netherlands around the mid-1980s through a student of one of Takata’s masters, appear in Reiki history writing. Because this spread was decentralized and largely informal, exact “first arrival” dates differ by country and by source.

Why are there so many Reiki styles now?
The branching happened because Reiki has no central governing body and no legal ownership of the practice as a whole. After Takata’s death, leadership of the tradition was contested, several organizations formed, and individual teachers were free to develop and name their own systems. New branded styles have continued to appear since, each adding or reframing elements. The variety reflects an unregulated tradition in which any qualified teacher can, in effect, start a new line.

Is there a single official Reiki organization worldwide?
No. There is no single worldwide authority that governs Reiki or certifies practitioners universally. A number of associations and registries exist, some quite influential within particular styles or countries, but membership is voluntary and none of them speaks for all of Reiki. This is part of why credentials and lineage vary so widely and why vetting an individual teacher matters more than relying on any one “official” body.

Sources

• Reiki (Encyclopaedia Britannica) traces the whole chain, from Usui’s founding through Chujiro Hayashi’s Tokyo clinic to Hawayo Takata carrying the practice to Hawaii and the wider West.
• Usui, Mikao (1865 to 1926), Encyclopedia.com covers Usui’s dates, the founding of the Usui Reiki Ryoho Gakkai, his Harajuku clinic, and the roughly two thousand students attributed to him.
• Takata, Hawayo (1900 to 1980), Encyclopedia.com documents Takata’s dates, her training under Hayashi in the mid-1930s, and her role in bringing Reiki from Japan to the West.
• Reiki (National Center for Complementary and Integrative Health) summarizes Reiki’s current status as a complementary practice and the state of the scientific evidence.

This article is for general informational purposes only and does not constitute medical, psychological, or professional advice. Reiki is a complementary relaxation practice; the existence of a measurable “energy” and any health benefits beyond relaxation are not established by scientific evidence. Reiki is not a substitute for professional medical care. If you have a health concern, consult a qualified healthcare provider.