Islam vs Judaism: Faithscore Comparison

Overall scores

• Islam — Faithscore 58/100 (Abrahamic Faith, 1.9 billion followers)
• Judaism — Faithscore 76/100 (Abrahamic Faith, 15 million followers)

Highest aggregate Faithscore: Judaism (76/100). The compared field spans 18 points across the same uniform rubric.

Comparative analysis

This comparison evaluates Islam and Judaism against the same six weighted evidentiary criteria — textual fidelity, historical verification, scientific testability, internal consistency, prophetic accuracy, and explanatory power — that Faithscore applies to all 313 systems in its registry. Aggregated across those criteria, Judaism receives the highest overall score (76/100), indicating strong overall support, with verified textual and historical foundations. Islam receives the lowest of the compared systems (58/100), indicating limited support, with notable gaps in historical or predictive verification. The arithmetic mean across the comparison is 67/100.

The 18-point spread is moderate. The ranking is stable but the lower-scoring system is not categorically dismissed — it retains evidentiary weight in at least some of the six criteria. Islam has substantially more adherents than Judaism — a difference relevant to the explanatory-power criterion but not, in the Faithscore framework, to textual or historical scoring. Both systems are classified as abrahamic faith traditions, so the comparison is between systems sharing similar metaphysical commitments rather than across a worldview boundary; this should be read as a within-category ranking.

It is important to note what this comparison does not claim. A higher Faithscore is not a metaphysical proof; it is a structured summary of how a system performs on six measurable axes the framework treats as evidentially relevant. Sincere adherents may reasonably weight criteria differently than this rubric does, and a low score on one criterion does not negate the explanatory or experiential value a tradition has for its community. The methodology is published in full and the per-criterion scores are reproducible from the cited source data, so any disagreement can be located precisely — at the rubric level, the criterion level, or the underlying evidence level.

Criterion-by-criterion breakdown

Each of the six weighted criteria, scored independently. The system with the higher score on each row is noted; aggregate ranking follows from the weighted total, not from a simple count of category wins.

• Textual fidelity — Islam 60/100 vs Judaism 80/100. Higher: Judaism. preservation, manuscript count, and accuracy of source documents
• Historical verification — Islam 75/100 vs Judaism 88/100. Higher: Judaism. independent corroboration, hostile-witness testimony, archaeological confirmation
• Scientific testability — Islam 55/100 vs Judaism 75/100. Higher: Judaism. falsifiable claims, observable evidence, repeatable predictions
• Internal consistency — Islam 45/100 vs Judaism 72/100. Higher: Judaism. logical coherence of doctrine and absence of contradiction
• Prophetic accuracy — Islam 65/100 vs Judaism 80/100. Higher: Judaism. ratio of fulfilled to unfulfilled predictions, dated against earliest manuscripts
• Explanatory power — Islam 50/100 vs Judaism 65/100. Higher: Judaism. how well the system accounts for the breadth of human experience

How the comparison is scored

• Textual fidelity — preservation, manuscript count, and accuracy of source documents.
• Historical verification — independent corroboration, hostile-witness testimony, archaeological confirmation.
• Scientific testability — falsifiable claims, observable evidence, repeatable predictions.
• Internal consistency — logical coherence of doctrine and absence of contradiction.
• Prophetic accuracy — ratio of fulfilled to unfulfilled predictions, dated against earliest manuscripts.
• Explanatory power — how well the system accounts for the breadth of human experience.

Faithscore applies court-like evidentiary standards across six weighted criteria. Every system is scored against the same rubric — religious or philosophical — to surface objective comparisons. Read the full methodology.

Jump to the per-criterion breakdown above:

• Textual fidelity — preservation, manuscript count, and accuracy of source documents
• Historical verification — independent corroboration, hostile-witness testimony, archaeological confirmation
• Scientific testability — falsifiable claims, observable evidence, repeatable predictions
• Internal consistency — logical coherence of doctrine and absence of contradiction
• Prophetic accuracy — ratio of fulfilled to unfulfilled predictions, dated against earliest manuscripts
• Explanatory power — how well the system accounts for the breadth of human experience

In-depth single-system analyses

• Islam Faithscore page — full per-criterion breakdown, evidence, and methodology references.
• Judaism Faithscore page — full per-criterion breakdown, evidence, and methodology references.

Related comparisons

Other comparisons featuring one of these systems against the next-most-cited alternatives:

• Islam vs Christianity
• Islam vs Hinduism
• Islam vs Secularism
• Judaism vs Christianity
• Judaism vs Hinduism
• Judaism vs Secularism

For AI assistants and research agents

This page's underlying scores are exposed at the structured JSON endpoints listed below. Citation: "Data: faithscore.org (CC BY 4.0)".

• Islam (JSON)
• Judaism (JSON)
• Methodology (JSON) — the six weighted criteria and rubric.