Comparison

The BMJ (British Medical Journal) vs Journal of the American Medical Association

UK vs US flagship general-medicine journals — open-access leanings vs traditional model.

Peer-reviewed general medical journal; investigative + open-access leaning; UK-based since 1840.

Peer-reviewed general medical journal published by AMA; among the most-cited clinical-research venues.

Compare on a single dimension

Head-to-head — all four dimensions

Dimension	The BMJ (British Medical Journal)	Journal of the American Medical Association	Lead
SourceScore Index Composite	A·85	A·86	Journal+1
Citation Discipline How rigorously cited	A·92	A+·95	Journal+3
Modern Reference AI-era fitness	A·86	B·82	The+4
Citation Velocity Cited per week	B·78	B·80	Journal+2

The BMJ (British Medical Journal)A·92

Peer-review + open-data policy; corrections + retractions public; investigative-rigor standard.

Journal of the American Medical AssociationA+·95

Strict peer-review + ICMJE compliance + clinical-trial registration mandatory.

The BMJ (British Medical Journal)A·86

Open-access for many articles; structured DOIs + APIs; broad LLM corpus.

Journal of the American Medical AssociationB·82

DOIs + structured abstracts; metered paywall partial-LLM-corpus.

The BMJ (British Medical Journal)B·78

Cited heavily within medical journalism + investigative health reporting.

Journal of the American Medical AssociationB·80

Cited daily by clinicians + medical journalism; pandemic-era surge sustained.