| Number of Members | 2,000,000 | 39,000,000 |
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| How does one get saved? | Repent of your sins, believe in Jesus Christ's death and resurrection, and be baptized. | Sola fide: Repent of your sins and believe in Jesus Christ's death and resurrection alone to save you. |
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| Who gets saved? | Anyone who chooses by his own free will to believe and accept God's gift of grace will be saved. | Those who God chooses to call will be saved and no one else. |
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| Can one lose his salvation? | Yes, a Christian can lose his salvation by apostasy. | Eternal security: No, once a Christian is saved, he is always saved. |
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| Who gets baptized and why? | The believing but unsaved get baptized as part of their salvation. | Saved people and their infant children get baptized as a sign of God's grace.[1] |
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| How should baptism be done? | Baptism should be by immersion. | Baptism should be by sprinkling water on the head. |
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| When does one receive the Holy Spirit? | The Holy Spirit is received at baptism. | The Holy Spirit is received at the moment of salvation.[2] |
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| What is the trinity? | The Trinity is God existing as one god in three equal, eternal, cosubstantial persons: God the Father, God the Son (Jesus Christ), and God the Holy Spirit. | The Trinity is God existing as one god in three equal, eternal, cosubstantial persons: God the Father, God the Son (Jesus Christ), and God the Holy Spirit. |
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| What is the human nature? | Most believe human nature tends to sin, but it's not depraved. | Total depravity: Human nature is corrupt, naturally inclined to evil, and incapable of choosing God on his own. |
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| Are we guilty of Adam's original sin? | No, we are not guilty of Adam's sin, nor did we inherit a sinful nature from him, but we did inherit the consequences.[3][4][5][6] | Federalism: Yes, Adam represented all of the human race, and all are guilty of his sin. |
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| Are Christians required to keep the Old Testament ceremonial laws? | No, the ceremonial laws of Judaism were fulfilled and done away with by Jesus. | No, the ceremonial laws of Judaism were fulfilled and done away with by Jesus. |
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| Can Christians become sinless in this earthly life? | | No, although Christians can and should sin less, they can never become sinless in this life. |
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| Do the elements of communion become the body and blood of Christ? | No, the elements merely symbolically represent the body and blood of Christ. | No, the elements do not become the body and blood of Christ, but Christ is present in an unknown way. |
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| Can one be baptized of behalf of someone who has died? | No, the dead cannot be baptized. | No, the dead cannot be baptized. |
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| What happens if a saved person dies without being perfect? | Once Christians leave their sinful bodies, nothing else is needed to receive glorified, sinless bodies. | Once Christians leave their sinful bodies, nothing else is needed to receive glorified, sinless bodies.[7][8] |
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| Did Mary ever sin? | Yes, Mary sinned like all other humans except Jesus. | Yes, Mary sinned like all other humans except Jesus. |
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| What spiritual gifts are available today? | Cessationism: Spiritual gifts used for serving are available today, while gifts used as signs have ceased.[9] | Cessationism: Spiritual gifts used for serving are available today, while gifts used as signs have ceased.[2] |
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| What framework has God used in dealing with man? | | Covenant theology: God acts either within the covenant of works or the covenant of grace.[10] |
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| How many church ordinances/sacraments are there? | The church has two ordinances: Baptism and Holy Communion.[11] | The church has two sacraments: Baptism and Holy Communion.[12] |
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| To whom do Christians need to confess their sins? | Confession should be made directly to God, but confession to another believer is beneficial for some sins.[13] | Confession should be made directly to God, but confession to another believer is beneficial for some sins. |
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| How should a church be structured? | Congregationalist: Every church congregation should be independent and governed by its members. | Presbyterian: Churches should be governed by its own elders, who in turn are governed by a presbytery comprising the elders from the region, which is governed by a general assembly of commissioners from each presbytery. |
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| What day of the week should Christians worship? | Christians worship on Sunday. | Christians worship on Sunday. |
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| How does God's revelation come to us today? | Sola scriptura: The Bible is the only infallible source of God's revelation, sufficient for all faith and practice. | Prima scriptura: There are many sources of God's revelation, although none can contradict the Bible. |
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| How was the Bible written? | Verbal plenary inspiration: The Bible was written by men who had every word supernaturaly inspired by God. | |
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| How many books are in the Bible? | There are 66 canonical books of the Bible: 39 Old Testament books and 27 New Testament books. | There are 66 canonical books of the Bible: 39 Old Testament books and 27 New Testament books. |
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| Was the Bible written inerrantly? | Yes, the Bible was written without any error. | Varies widely[14] |
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| Who can speak with God's authority today? | Nobody today can speak for God. | Nobody today can speak for God. |
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| How was the earth created? | Creationism: The earth was spoken into existence by God. | Varies widely[15][16] |
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| What is marriage? | Marriage is a covenant before God between one man and one woman.[17][18] | Varies widely[19][20][21] |
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| Is sex permissible outside marriage? | No, sex outside of marriage is not permissible.[22][23] | Varies widely[24][21] |
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| When is divorce permissible? | Most believe divorce is only permissible for adultery.[25][26] | Divorce is permissible for adultery or desertion.[27] |
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| May a Christian remarry while his former spouse is still alive? | | The innocent party to the adultery may remarry.[28] |
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| When does a fetus become human? | Humanity begins at conception. | Most believe humanity begins at conception. Some say it is unknown when humanity begins.[29][30][31] |
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| Is contraception permissible? | Yes, contraceptives are permissible. | Yes, contraceptives are permissible. |
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| Are blood transfusions permissible? | Yes, blood transfusions are permissible. | Yes, blood transfusions are permissible. |
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| Should women cover their heads? | Most believe no, women's long hair is enough of a covering. | |
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| Should Christians drink alcohol? | Most believe no, alcohol should be totally avoided. | Yes, drinking alcohol is fine as long as one does not get drunk.[32] |
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| Should Christians fight in wars? | | Yes, Christians should fight in just wars.[33] |
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| How should Christians musically worship God? | Worship should be a cappella. | Any style of worship music is acceptable.[34] |
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| Whom does the Holy Spirit come from? | | The Holy Spirit proceeds from the Father and the Son.[35][36] |
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| Do icons glorify God? | | Varies widely[37][38][39][40] |
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| Where does a Christian's soul go after death? | Christians immediately go to heaven when they die. | Christians immediately go to heaven when they die.[8] |
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