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Religion

Tonga does not have an official state religion. The Constitution of Tonga (Revised 1998) provides for freedom of religion.

In 1928, Queen Salote Tupou III, who was a member of the Free Wesleyan Church of Tonga, established the Free Wesleyan Church as the state religion of Tonga. The chief pastor of the Free Wesleyan Church serves as the representative of the people of Tonga and of the church at the coronation of a king or queen of Tonga, where he anoints and crowns the monarch. In opposition to the establishment of the Free Wesleyan Church as a state religion, the Church of Tonga separated from the Free Wesleyan Church in 1928.

Islam in Tonga is a small minority religion in the country. Muslims in Tonga belong to Sunni denomination. Al-Khadeejah Mosque is a prominent mosque in Tonga.

Everyday life is heavily influenced by Polynesian traditions and by the Christian faith; for example, all commerce and entertainment activities cease on Sunday, from the beginning of the day at midnight, to the end of the day at midnight. The constitution declares the Sabbath sacred forever. The official figures from the latest government census as of 2011 show that 90% of the population are affiliated with a Christian church or sect, with the four major church affiliations in the kingdom:

The Church of Jesus Christ of Latter-day Saints sent missionaries in 1891 to visit King Siaosi (George) Tupo, where they obtained permission to preach.