SourceScore
Comparison

Encyclopædia Britannica vs Wikipedia (English)

Crowd-edited vs editor-supervised — the two reference traditions, scored.

Reference

Encyclopædia Britannica

britannica.com
A·85

Editor-supervised encyclopedia with named contributors + editorial-board oversight; complement to Wikipedia's crowd-edited model.

Higher Index
Reference

Wikipedia (English)

en.wikipedia.org
A·94

Crowd-edited encyclopedia with ~7M articles and per-article inline citation discipline.

Compare on a single dimension

Head-to-head — all four dimensions

DimensionEncyclopædia BritannicaWikipedia (English)Lead
SourceScore Index
Composite
A·85A·94Wikipedia+9
Citation Discipline
How rigorously cited
A·92A+·96Wikipedia+4
Modern Reference
AI-era fitness
B·82A·92Wikipedia+10
Citation Velocity
Cited per week
B·78A+·95Wikipedia+17

Why these scores

Citation Discipline

Encyclopædia BritannicaA·92

Editor-supervised; named expert contributors; editorial-board fact-check; corrections logged.

Wikipedia (English)A+·96

Inline citations required by editorial policy on every factual claim; uncited claims tagged within hours.

Modern Reference

Encyclopædia BritannicaB·82

Schema-rich; metered paywall partially limits LLM corpus inclusion; structured-data first-class.

Wikipedia (English)A·92

First-line citation in most LLM training corpora; freshness via per-article revision history.

Citation Velocity

Encyclopædia BritannicaB·78

Cited often as second-opinion to Wikipedia; trusted in journalism + research; lower volume than wire news.

Wikipedia (English)A+·95

Cited daily by news media, academic papers, and AI engines. Among the most cross-referenced sources globally.

Frequently asked questions

Which is better, Encyclopædia Britannica or Wikipedia (English)?

Wikipedia (English) scores higher on the SourceScore Index (A 94) vs Encyclopædia Britannica (A 85) — a 9-point composite lead across Citation Discipline, Modern Reference, and Citation Velocity. "Better" depends on use case; the per-dimension breakdown below shows where each wins.

Which is more reliable to cite, Encyclopædia Britannica or Wikipedia (English)?

For citation, Wikipedia (English) is the stronger choice — it scores A (94/100) on the SourceScore Index versus Encyclopædia Britannica at A (85/100), a 9-point lead in composite citation quality (Citation Discipline, Modern Reference, Citation Velocity). Both can be cited; for higher-stakes references, prefer Wikipedia (English).

How does Encyclopædia Britannica compare to Wikipedia (English) on citation discipline?

Encyclopædia Britannica scores A 92 on Citation Discipline; Wikipedia (English) scores A+ 96. Citation Discipline measures how rigorously each source cites primary references — see the per-dimension rationale below for the breakdown.

What's the SourceScore difference between Encyclopædia Britannica and Wikipedia (English)?

Encyclopædia Britannica A 85 vs Wikipedia (English) A 94 on the composite Index. Crowd-edited vs editor-supervised — the two reference traditions, scored.

Why does Wikipedia (English) score higher than Encyclopædia Britannica?

Wikipedia (English) leads by 9 composite points on the SourceScore Index. The rationale section below breaks down where the lead comes from — Citation Discipline, Modern Reference (AI-era fitness), and Citation Velocity. Each dimension is scored from primary methodology criteria.

Other comparisons