How Old Is Islam vs Judaism? A Historical Age Comparison

Judaism is widely regarded as one of the oldest monotheistic religions in the world, with most historians placing its origins somewhere between 1800 BCE and 1200 BCE. The tradition traces its founding covenant to Abraham, and its formal legal and communal identity to Moses and the Exodus from Egypt. Scholars like Yehezkel Kaufmann (in his landmark 1937–1956 work The Religion of Israel) argue that Israelite monotheism was a genuinely early and distinct phenomenon, not a late development.

The Torah records that Moses was eighty years old when he confronted Pharaoh, anchoring the Exodus narrative in a specific historical moment Exodus 7:7. Abraham, the patriarch from whom both Jewish identity and the broader Abrahamic tradition descend, is recorded as one hundred years old at the birth of Isaac Genesis 21:5 — a figure that places the patriarchal era deep in antiquity. Most mainstream scholarship dates Abraham to roughly 2000–1800 BCE, meaning the Jewish tradition is approximately 3,500–4,000 years old.

It's worth noting there's genuine scholarly disagreement here. Minimalist historians like Niels Peter Lemche argue that a recognizable 'Judaism' only solidified during or after the Babylonian exile (6th century BCE), which would still place it roughly 2,600 years ago — still far older than Islam.

Christianity emerged in the 1st century CE, rooted in the life, death, and resurrection of Jesus of Nazareth. It's generally dated to around 30–33 CE as its founding moment, making it roughly 2,000 years old. This places it chronologically between Judaism and Islam — younger than Judaism by roughly 1,500–2,000 years, but older than Islam by about 600 years.

The New Testament records a telling exchange in which Jesus's Jewish contemporaries questioned his claims to antiquity: 'Thou art not yet fifty years old, and hast thou seen Abraham?' John 8:57 — a passage that ironically highlights the very antiquity of the Abrahamic tradition that Christianity inherited. Christianity sees itself as the fulfillment of that older Jewish covenant, not a replacement of it in purely chronological terms.

Historians like Larry Hurtado (in Lord Jesus Christ, 2003) emphasize that early Christianity developed rapidly as a distinct religion within just decades of Jesus's death, formally separating from Second Temple Judaism by the late 1st century CE.

Islam is the youngest of the three major Abrahamic faiths, founded in the early 7th century CE. The Prophet Muhammad received his first revelation around 610 CE, and the religion was formally established as a community (ummah) in Medina after the Hijra in 622 CE — the date from which the Islamic lunar calendar is counted. This makes Islam approximately 1,400 years old, roughly 2,000–2,500 years younger than Judaism.

The hadith literature preserves biographical details about the Prophet and his companions that help anchor Islamic history precisely. For instance, Ibn Abbas, a close companion, was a young boy at the time of the Prophet's death Sahih al Bukhari 6299, and Aisha, the Prophet's wife, is reported to have been eighteen years old when the Prophet died Sahih Muslim 3482 — details that place the founding generation of Islam firmly in the early 7th century CE.

Islam does not view itself as simply a 'new' religion, however. The Quran teaches that Muhammad was the final prophet in a long line that included Abraham, Moses, and Jesus — meaning Muslims see Islam as the restoration of the original, primordial monotheism (known as din al-fitra). In that theological sense, some Muslim scholars argue Islam is as old as humanity itself, even if its final revealed form dates to the 7th century CE.

For a scripture-anchored answer, many Jewish discussions frame the faith’s formative narrative around the patriarchs (e.g., Abraham) and the Mosaic revelation/exodus story; these are touchstones rather than precise dates in the texts cited here. Abraham’s life is situated within Genesis’ genealogy narrative, noting his age at Isaac’s birth, which signals continuity of covenant themes, not a calendar start-date. Genesis 21:5

Similarly, the Torah presents Moses confronting Pharaoh at age eighty (with Aaron at eighty-three), marking a key redemptive moment that later tradition often treats as foundational for Israel’s identity. Again, this is a narrative anchor rather than an absolute chronology in our citations. Exodus 7:7

Scholars differ on whether to count “Judaism’s age” from Abraham, from Sinai/Torah, or from later rabbinic consolidation; the passages here support the narrative anchors but not a specific year-count. Genesis 21:5 Exodus 7:7

For Christian origins, the New Testament centers on the ministry of Jesus. The Gospel of John records a debate in which opponents note Jesus is “not yet fifty,” a small historical detail situating events in his lifetime; however, this verse doesn’t provide a calendar year or an origin-date for the religion itself. John 8:57

Thus, using only the passage here, we can say Christianity’s formative moment is tied to Jesus’ life and teachings as narrated in the New Testament, but we cannot compute an absolute “age” without external chronology (not provided). John 8:57

For Islam’s “age,” a scripture-anchored framing points to the Prophet Muhammad and the earliest community. The hadith corpus preserves biographical details about his companions and household, which situate the religion’s formative period in his lifetime, though the specific narrations cited here don’t supply calendar dates by themselves. Sahih al Bukhari 5134 Sahih Muslim 3482

For example, narrations about ʿĀʾisha’s age at marriage and at the Prophet’s death indicate the community’s early timeline is keyed to his life, not to a numbered era within these texts. Hence, we can identify the formative locus (the Prophet’s mission) but not compute an absolute age from these citations alone. Sahih al Bukhari 5134 Sahih Muslim 3482