How Does Islam Compare to Other Religions: Judaism, Christianity & Islam Side by Side

Judaism is the oldest of the three Abrahamic religions, tracing its origins to the covenant between God and Abraham, formalized through Moses at Sinai. Jewish theology is radically monotheistic — God is utterly incomparable and beyond all human analogy Psalms 89:6. The Torah (the Five Books of Moses) and the broader Hebrew Bible, supplemented by the Talmud and rabbinic commentary, form the backbone of Jewish religious law and practice. Scholars like Rabbi Joseph B. Soloveitchik (d. 1993) emphasized that halakha (Jewish law) is not merely a legal code but a total way of encountering the divine.

Judaism does not recognize Muhammad as a prophet, nor does it accept the New Testament or the Quran as divinely revealed scripture. The Jewish concept of salvation is less individualistic than in Christianity or Islam — it's more communal and covenantal, focused on fidelity to God's commandments in this world. There's no single Jewish doctrine of the afterlife, and significant disagreement exists between denominations (Orthodox, Conservative, Reform) on eschatology, making direct comparison with Islam complex.

Christianity emerged from Second Temple Judaism in the 1st century CE, accepting the Hebrew Bible as sacred while adding the New Testament. Its most distinctive theological claim — one that separates it sharply from both Judaism and Islam — is that Jesus of Nazareth is the incarnate Son of God, the second person of the Trinity, whose death and resurrection provide atonement for human sin. This Trinitarian theology is a point of profound disagreement with Islam, which explicitly rejects any partners or equals to God Quran 37:159.

Christianity shares with Islam a strong emphasis on prophetic revelation, the importance of Jesus (though Islam views him as a prophet, not divine), and a robust eschatology including resurrection, judgment, and eternal life. The Apostle Paul's letters, the Councils of Nicaea (325 CE) and Chalcedon (451 CE), and later theologians like Augustine of Hippo and Thomas Aquinas shaped Christian doctrine into forms that Islam would later explicitly critique. The question of whether Jesus was merely human — a charge echoed in Quran 26:186 Quran 26:186 — remains the central fault line between the two faiths.

Islam, founded through the prophethood of Muhammad in 7th-century Arabia, presents itself not as a new religion but as the restoration and completion of the original monotheism revealed to Abraham, Moses, and Jesus. The Quran explicitly states that no religion other than Islam will be accepted by God Quran 3:85, a claim that Muslim scholars like Ibn Kathir (d. 1373 CE) interpreted as referring to the post-Muhammadan era — meaning Judaism and Christianity were valid in their time but have since been superseded. The Quran challenges humanity: is there any creator other than Allah who provides sustenance from heaven and earth? Quran 35:3

Islam's theological core is tawhid — the absolute, indivisible oneness of God. The Quran repeatedly glorifies God above all human descriptions Quran 37:159, a direct rebuttal to what Islam sees as the theological errors of both polytheism and Christian Trinitarianism. Islam acknowledges the Torah and the Gospels as originally revealed scriptures but holds that they were corrupted over time, necessitating the Quran as the final, preserved revelation. The Quran also criticizes those who argue about God without knowledge or guidance Quran 22:8, a charge applied to theological speculation that departs from pure monotheism.

On the question of other religions, Islam distinguishes between 'People of the Book' (Jews and Christians), who receive a degree of respect and legal protection in classical Islamic jurisprudence, and polytheists or atheists. Most Muslims who argue about God without sound scriptural grounding are, the Quran suggests, still mixing in elements of shirk (associating partners with God) Quran 12:106. This nuanced but firm hierarchy of religious truth-claims is central to how Islam positions itself relative to other faiths.