The relationship between Mormonism and Christianity has been widely debated, with many wondering whether The Church of Jesus Christ of Latter-day Saints (LDS Church) should be considered Christian.
Understand the Nature of God
Beliefs about God are one of the most striking differences between Mormonism and mainstream Christianity.
Christianity’s View of the Trinity
Mainstream Christianity teaches the doctrine of the Trinity: one God in three persons — the Father, the Son, and the Holy Spirit. These three are co-equal, co-eternal, and of one divine substance.
The LDS Concept of the Godhead
Mormonism, however, teaches that the Godhead consists of three distinct beings: God the Father, Jesus Christ, and the Holy Ghost. They are united in purpose but are not considered the same being. In LDS belief, God the Father and Jesus Christ possess glorified physical bodies, while the Holy Ghost is a spirit.
Scriptures and Revelation
The role of scripture and revelation further separates the two faiths.
The Christian Canon
Christianity recognizes the Bible — both Old and New Testaments — as the complete and final Word of God. The canon is considered closed, meaning no new scripture will be added.
LDS Standard Works
In contrast, Mormonism accepts four “standard works”: the Bible (as far as correctly translated), the Book of Mormon, Doctrine and Covenants, and the Pearl of Great Price.
Beliefs About Jesus Christ and Atonement

The central figure of both traditions is Jesus Christ, but their views on His mission differ.
Christianity’s Focus on the Cross
In mainstream Christianity, the crucifixion and resurrection of Jesus form the cornerstone of salvation. His death paid for humanity’s sins, and His resurrection confirmed victory over death.
Mormonism’s Expanded View of the Atonement
Mormonism teaches that the atonement began in the Garden of Gethsemane, where Jesus suffered for humanity’s sins, and continued through His crucifixion and resurrection.
Salvation, Exaltation, and the Afterlife
Both traditions promise eternal life through Christ, but their understandings of salvation and the afterlife differ significantly.
Christianity’s View of Heaven and Hell
Most Christian denominations teach salvation by grace through faith in Jesus Christ, leading to eternal life in heaven, while those who reject Christ face separation from God.
LDS Teachings on Degrees of Glory
Mormonism introduces a more complex afterlife, divided into three kingdoms: the Celestial, Terrestrial, and Telestial kingdoms. Only the most faithful, who keep LDS covenants and ordinances, can attain exaltation in the Celestial Kingdom — which includes the possibility of becoming like God.
Pre-Existence and Human Agency
One of Mormonism’s unique doctrines is the belief in a pre-mortal existence.
Mainstream Christian View
Christianity generally does not teach a pre-earthly life. Humanity is created at conception, with free will to accept or reject God’s grace.
Mormon Belief in Pre-Mortal Life
Mormonism teaches that all humans lived as spirit children of God before being born on earth. This life is a test of agency, where choices determine eternal destiny.
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Church Authority and Restoration
The question of church authority highlights another major difference between the two faiths.
Historical Continuity in Christianity
Christian denominations such as Catholicism and Orthodoxy claim authority through apostolic succession, while Protestant churches emphasize the authority of scripture alone.
LDS Claim of Restoration
Mormonism teaches that after a “Great Apostasy” corrupted early Christianity, true authority was restored through Joseph Smith, who received angelic visitations and priesthood authority.
Ordinances, Worship, and Practices

While both faiths practice baptism and communion, their rituals and requirements differ.
Christian Practices
Christian practices vary by denomination, but baptism and communion (or Eucharist) are generally central. Worship often emphasizes preaching, prayer, and sacraments.
LDS Ordinances
Mormonism requires saving ordinances, including baptism (by immersion at age eight), confirmation, temple endowments, and eternal marriage sealings. Other unique practices include baptisms for the dead, tithing, missionary service, and adherence to the “Word of Wisdom” health code, which prohibits alcohol, coffee, and tobacco.
How Each Tradition Defines Christian Identity
The question of whether Mormons are Christians continues to be debated.
Christian Perspective
Many Christian denominations reject Mormonism as a form of Christianity, citing differences in core doctrines such as the Trinity and the nature of salvation.
LDS Self-Identification
Mormons firmly identify as Christians, emphasizing that their faith is centred on Jesus Christ. They see their church as a restoration of the original gospel.
Conclusion
Mormonism and Christianity share reverence for Jesus Christ but diverge significantly in theology, scripture, and practice. Christianity upholds the Trinity, salvation by grace, and the Bible as the sole authority.
For those seeking deeper study, resources like Diffen’s Christianity vs. Mormonism comparison provide additional insights.
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