Anglican Church in Japan

Nippon Sei Ko Kai
Primate	Nathaniel Makoto Uematsu, Bishop of Hokkaido
Headquarters	65 Yaraicho, Shinjuku-ku, Tokyo 162-0805, Japan
Territory	Japan
Members	57,003
Website	nskk.org

The Nippon Sei Ko Kai (Japanese: 日本聖公会, Nippon Seikōkai, "Japanese Holy Catholic Church"), abbreviated as NSKK, or sometimes referred to in English as the Anglican Episcopal Church in Japan, is the national Christian church representing the Province of Japan (日本管区, Nippon Kanku) within the Anglican Communion.

As a member of the Anglican Communion the Nippon Sei Ko Kai shares many of the historic doctrinal and liturgical practices of the Church of England, but is a fully autonomous national church governed by its own synod and led by its own primate. The Nippon Sei Ko Kai, in common with other churches in the Anglican Communion, considers itself to be a part of the One, Holy, Catholic and Apostolic Church and to be both Catholic and Reformed.

With an estimated 80 million members worldwide, the Anglican Communion is the third largest Christian communion in the world, after the Roman Catholic Church and the Eastern Orthodox Churches. The Nippon Sei Ko Kai has approximately 60,000 members organised into eleven dioceses and found in local church congregations throughout Japan.

Jesuit Saint Francis Xavier together with Portuguese explorers and missionaries first brought Christianity to Japan in the 16th century. In 1587, the Christian faith and life were outlawed and Christians, Japanese and foreign, were openly persecuted. In memory of these early Japanese Christians, and in common with the Roman Catholic Church, the Nippon Sei Ko Kai commemorates the Martyrs of Japan every February 5 for their life and witness.

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