The Church of Jesus Christ of Latter-day Saints

The Church of Jesus Christ of Latter-day Saints, informally known as the LDS Church or Mormon Church, is a nontrinitarian restorationist Christian denomination and the largest denomination in the Latter Day Saint movement. Founded during the Second Great Awakening, the church is headquartered in Salt Lake City, Utah, and has established congregations and built temples worldwide. According to the church, as of 2024, it has over 17.5 million members, of which over 6.8 million live in the U.S. The church also reports over 109,000 volunteer missionaries and 207 dedicated temples.

Church theology is restorationist and nontrinitarian; the church identifies as Christian and includes a belief in the doctrine of salvation through Jesus Christ and his substitutionary atonement on behalf of mankind. It is often included in the lists of larger Christian denominations, though most Catholics, Orthodox Christians and evangelicals, and some Mainline Protestants have considered the LDS Church to be distinct and separate from mainstream Christianity. The church has an open canon of four scriptural texts: the Holy Bible, the Book of Mormon, the Doctrine and Covenants (D&C), and the Pearl of Great Price. Other than the Bible, the majority of the church canon consists of material believed by the church's members to have been revealed by God to Joseph Smith, including texts described as lost parts of the Bible, and other works believed to have been written by ancient prophets, including the Book of Mormon. Members adhere to church laws of sexual purity, health, fasting, and Sabbath observance, and contribute ten percent of their income to the church in tithing. The church teaches ordinances through which adherents make covenants with God, including baptism, endowment, and celestial marriage.

The church was founded by Joseph Smith in 1830, originally as the Church of Christ in western New York. Under Smith's leadership, the church's headquarters moved successively to Ohio, Missouri, and Illinois. After his death in 1844 and the resultant succession crisis, the majority of his followers sided with Brigham Young, who led the church to its current headquarters in Salt Lake City. Young and his successors continued the church's growth, first throughout the Intermountain West, and later as a national and international organization. The church has been criticized throughout its history; modern criticism includes disputes over the church's historical claims, treatment of minorities, and finances. The church's practice of polygamy was controversial until it was curtailed in 1890 and officially rescinded in 1904.

Members of the church, known as Latter-day Saints or informally as Mormons, believe that the church president is a modern-day "prophet, seer, and revelator" and that Jesus Christ, under the direction of God the Father, leads the church by revealing his will and delegating his priesthood authority to its president. The president heads a hierarchical structure descending from areas to stakes and wards. At the local and regional levels, the church has a volunteer clergy, and wards are led by bishops. Male members may be ordained to the priesthood, provided they are living by the standards of the church. Women are not ordained to the priesthood but occupy leadership roles in some church organizations. The church maintains a large missionary program that proselytizes and conducts humanitarian services worldwide; both men and women may serve as missionaries. The church also funds and participates in humanitarian projects which are independent of its missionary efforts.

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