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 restorationist, nontrinitarian Christian denomination and the largest group in the Latter Day Saint movement. The church is headquartered in the United States in Salt Lake City, Utah and has established congregations and built temples worldwide. According to the church, it has over 17.2 million members, over 99,000 volunteer missionaries and 350 temples in total. As of 2012, the church was the fourth-largest Christian denomination in the U.S. As of 2023, the church reported over 6.8 million U.S. members.

The church was founded as the Church of Christ in western New York, in 1830 by Joseph Smith during the Second Great Awakening. Under Smith's leadership, the church's headquarters moved successively to Ohio, Missouri, and Illinois.