The Church of Jesus Christ of Latter-day Saints has followers.
The Church of Jesus Christ of Latter-day Saints . The church is headquartered in Salt Lake City , Utah , and has established congregations and built temples worldwide . According to the church , it has over 70,000 missionaries and a membership of over 15 million . Adherents , often referred to as `` Latter-day Saints '' , or , less formally , `` Mormons '' , view faith in Jesus Christ and his atonement as fundamental principles of their religion . In addition , the church teaches sacred ordinances through which adherents make covenants with God , including baptism , confirmation , the sacrament ( holy communion ) , endowment , and celestial marriage ( marriage blessings which extend beyond mortality ) -- all of which are of great significance to church members .