Japan’s religious landscape is dominated by a syncretic blend of indigenous Shinto (nature/spirit worship) and imported Buddhism, often practiced simultaneously by the same people for different life events, alongside Confucian ethics, with Christianity and newer faiths being minor but present, all under a secular constitution that separates state and religion, making formal religious identity less prominent than cultural practices.

Shinto (The Way of the Spirits)

• Core Beliefs: Worships kami (spirits/deities) found in nature (trees, mountains, rivers) and ancestors. Focuses on purity, rituals, and harmony.
• Practices: Visiting shrines (jinja), participating in festivals (matsuri).

Buddhism (Imported in the 6th Century)

• Core Beliefs: Focuses on concepts like karma, reincarnation, and enlightenment, with various sects (like Zen) existing.
• Practices: Buddhist altars (butsudan) in homes for ancestors, funerals.

Syncretism (Shinbutsu-Shūgō)

Until the end of the Edo period in 1868, Shinto and Buddhism were closely intertwined under the term shinbutsu-shūgō (神仏習合), to the point that the same buildings were often used as both Shinto shrines and Buddhist temples, and Shinto gods were interpreted as manifestations of Buddhas.

State Shintō, was introduced in the 19th century, at the start of the Meiji era, after government officials defined freedom of religion within the Meiji Constitution. This separation of Shinto and Buddhism, known as Shinbutsu Bunri was Imperial Japan’s ideological use of Japanese folk religion and Shinto traditions. The state exercised control over shrine finances and priestly training to strongly encourage Shinto practices that emphasized the Emperor as a divine being.

It was meant to establish a unified national identity by elevating indigenous Shinto and separating it from “foreign” Buddhism, leading to violence (Haibutsu Kishaku) against Buddhist temples, forced priestly conversions, and the destruction of artifacts.

This policy stalled by 1873, and today the separation is only partially complete: many major Buddhist temples retain small shrines dedicated to tutelary Shinto kami, and some Buddhist figures, such as the Bodhisattva Kannon, are revered in Shinto shrines. The policy was successful in the long term in creating a new religious status quo in which Shinto and Buddhism are perceived as different and independent.

Long-Term Impact:

• Superficial Separation: While legally mandated, the separation wasn’t fully successful; many Buddhist temples still house Shinto shrines, and Buddhist figures appear in Shinto contexts.
• Functional Distinction: Today, Buddhism largely handles funerals, while Shinto handles weddings, maintaining separate spheres.
• Modern Perception: The government’s efforts created distinct categories for the public, even if practices remain blended.

Other Religions

• Christianity: A small minority faith (around 1-2%).
• New Religions (Shinkō Shukyō): Diverse new movements emerged in the 19th/20th centuries.
• Confucianism: Influences ethics and social order rather than being a distinct religion.

Religious buildings

Because of the syncretic approach, early on, buildings for both Shinto and Buddhism are often found co-located. The Shinbutsu Bunri was a separation in principle (by law), but obviously, buildings were not moved.

• Buildings associated with Shinto are called shrines. Their Japanese names end in “-jinja”, meaning (Shinto) shrine. Shrine names can end in “‑jinja (神社),” “‑gu,” or “‑miya,” both represented by endings in “宮.” Meiji Jingū (明治神宮) 🗾 is a famous example of a Shinto shrine.
• Buildings associated with Buddhism are called temples. Their Japanese names end in “‑ji”, meaning (Buddhist) temple. More generally, temple names can end in “‑ji,” “‑tera,” or “‑in,” where the former two are script ending in “寺”, whereas the latter is an ending in “院.” For example, Kiyomizu-dera (清水寺) 🗾 and Kinkaku-ji (金閣寺) 🗾 are both Buddhist temples.
• Pagodas, called tō (塔), or sometimes buttō (仏塔), derive from the Chinese pagoda. They are quintessentially Buddhist and an important component of Japanese Buddhist temple compounds, but, since before Shinbutsu Bunri, a Shinto shrine was often also a Buddhist temple, and vice versa, they are sometimes also seen at shrines. There are both stone and wooden pagodas, the former generally small, the latter most often having an odd number of levels. The exception is the Tahōtō, which has only two levels.
• Christianity is associated with churches, but since the practice of Christianity is so small, you are unlikely to encounter one, unless you look for them.