Journal Guide
The BMJ (British Medical Journal) Impact Factor 93.6: Publishing Guide
Open peer review, patient involvement, and primary care excellence: the Big 4 medical journal that actually practices transparency
93.6
Impact Factor (2024)
~7% overall; ~4% for research articles
Acceptance Rate
Days to 2 weeks for desk decisions; ~48 days median with peer review
Time to First Decision
What BMJ Publishes
The BMJ publishes clinical research that helps doctors make better decisions. It sits in the top tier of general medical journals and differentiates itself through a fierce commitment to transparency, patient involvement, and primary care research. If you want your reviewers named, your patients involved in peer review, and your qualitative research taken seriously at the highest level, BMJ is the only major general medical journal that consistently delivers on all three.
- Clinical research with direct implications for how physicians practice
- Primary care and general practice research (unique among the Big 4)
- Systematic reviews and meta-analyses informing clinical decisions
- Health policy research affecting national and international healthcare systems
- Qualitative and mixed-methods studies (explicitly welcomed, unlike NEJM or JAMA)
- Evidence-based medicine methodology and rapid clinical guidelines
Editor Insight
“BMJ occupies a unique position in the Big 4. It is not trying to be NEJM (pure clinical power) or Lancet (global health advocacy). BMJ is where evidence-based medicine was born, where open peer review is practiced not just preached, and where patient involvement in research is taken seriously at every level. If your work is rigorous, transparent, and relevant to clinical practice, BMJ offers something no other Big 4 journal does: a review process where accountability runs both ways.”
What BMJ Editors Look For
Research that helps doctors make better decisions
This is BMJ's literal mission statement. Every paper must have clear implications for clinical practice or health policy. Scientifically interesting work without a 'so what for doctors?' angle belongs in a specialty journal.
Patient and public involvement, documented
BMJ requires a PPI statement in all research papers describing how patients or the public were involved in research design and conduct. This is not a checkbox. Token statements get called out by patient reviewers.
The 'What this study adds' box must be compelling
Many clinicians only read this box. It must clearly state what was known before, what your study adds, and why it matters for practice. Invest serious time here. If you cannot summarize your advance in three bullet points, you may not have one.
Comfort with open peer review
BMJ reviewers sign their reports - authors see who reviewed them. If your paper cannot withstand named scrutiny, or if you are uncomfortable with transparency, this is the wrong journal.
Global relevance, not just UK focus
Despite being the British Medical Journal, BMJ has editors worldwide and publishes internationally relevant research. Single-country studies should articulate what transfers to other healthcare systems.
Proper reporting checklists completed
CONSORT for trials, STROBE for observational studies, PRISMA for systematic reviews. BMJ checks these rigorously. Missing items will bounce your paper back before review even starts.
Why Papers Get Rejected
These patterns appear repeatedly in manuscripts that don't make it past BMJ's editorial review:
No patient and public involvement
BMJ is the only Big 4 journal that uses patient/public peer reviewers alongside academic ones. If your paper is incomprehensible to an informed layperson or dismisses patient perspectives, the patient reviewer can torpedo it.
Sending specialist research to a generalist journal
If only cardiologists or only oncologists would read it, it belongs in a BMJ specialty journal (Heart, BMJ Oncology) or a competitor. BMJ wants research relevant to a broad physician audience.
Weak 'What this study adds' box
This concise summary is what many clinicians actually read. A vague or jargon-filled box suggests you do not understand your own clinical implications.
Not following reporting guidelines
BMJ has a dedicated statistical review process and checks CONSORT/STROBE/PRISMA compliance rigorously. Missing items delay your paper or trigger desk rejection.
Industry-funded tobacco research
BMJ will not consider any study funded partly or wholly by the tobacco industry. This is an explicit editorial policy. Do not waste everyone's time.
Ignoring the abridged print version
BMJ has no word limit online, but creates an abridged version for print. If your paper cannot be effectively shortened, that is a subtle negative. Write clearly from the start.
Does your manuscript avoid these patterns?
The quick diagnostic reads your full manuscript against BMJ's criteria and flags the specific issues most likely to cause rejection.
Insider Tips from BMJ Authors
The 'Hanging Committee' decides your paper's fate
BMJ's weekly manuscript meeting is called the 'hanging committee' (named after art exhibition committees). A statistician, external editorial adviser, and the full research team read and discuss your paper. Final decisions are collective, not individual.
Patient reviewers can make or break your paper
BMJ sends select papers to patient/public reviewers. This is unique among the Big 4. Write your paper so that an intelligent non-specialist can follow the logic and see the clinical relevance.
Primary care research has a genuine home here
BMJ is the only Big 4 journal with a dedicated primary care editor and weekly primary care research. If your study is based in general practice or family medicine, this is the single best high-impact journal for it.
The Christmas Issue is a real pathway to massive media coverage
The annual Christmas edition publishes humorous-but-methodologically-rigorous research (think parachute RCTs). These papers often get more media coverage than regular papers. Plan your quirky submission for the Christmas issue call.
Qualitative research is genuinely welcome here
Unlike NEJM and JAMA, which are heavily quantitative, BMJ actively seeks qualitative and mixed-methods studies. If you have strong qualitative work, BMJ may be your best shot at a Big 4 journal.
Fast track exists for urgent public health findings
For genuinely urgent papers, BMJ offers fast-track review with a decision within days and publication within 4 weeks. Two editors read on day one, reviewers report within 48 hours.
Rapid Responses build your reputation with editors
BMJ's online post-publication commentary system lets you engage with published content. Active participants become known to editors. Over 88,500 rapid responses have been posted.
Authors retain copyright
Unlike many top journals, BMJ lets authors retain copyright. You can post full text on personal or institutional websites and email articles freely. This is a significant benefit most authors overlook.
The BMJ Submission Process
Presubmission inquiry (optional but recommended)
Response within 1-2 weeksSend an abstract and cover letter to gauge editorial interest. Can save weeks if the topic is not a good fit. No guarantee of acceptance even if inquiry is positive.
Full submission via ScholarOne
Research editors read within 2 working daysComplete manuscript with structured abstract (≤400 words), PPI statement, reporting checklist, data sharing statement, BMJ Disclosure Form. Cover letter should explain why BMJ specifically.
Editorial triage
Days to 2 weeks~50% of research articles desk-rejected before review. Common reasons: insufficient originality, not relevant to a general medical audience, poor study design.
Open peer review
~48 days median for researchAt least 2 expert peer reviewers (open review - names revealed to authors). Often includes a patient/public reviewer. Clinical epidemiology editor also assesses.
Hanging Committee decision
Decision within 6 weeks of review completionWeekly manuscript meeting with statistician, external adviser, and research team. Discuss importance, originality, and scientific quality. Final decision made collectively.
Publication
1-2 weeks after acceptanceOnline First as soon as proofs approved. Immediately indexed in PubMed Central. Abridged version prepared for print with author approval.
BMJ by the Numbers
| 2024 Impact Factor(BMJ publisher-reported metric; ranked 3/325 in general medicine) | 93.6 |
| Submissions per year | 7,000-8,000 |
| Overall acceptance rate | ~7% |
| Research article acceptance rate | ~4% |
| Desk rejection rate | ~66% overall; ~50% for research |
| Time to desk decision | Days to 2 weeks |
| Time to first decision (with review) | ~48 days median |
| Peer review type | Open (signed reviews) |
Before you submit
BMJ accepts a small fraction of submissions. Make your attempt count.
The pre-submission diagnostic runs a live literature search, scores your manuscript section by section, and gives you a prioritized fix list calibrated to BMJ. ~30 minutes.
Article Types
Research
No fixed limit (online); ~2,400 words printOriginal research articles (RCTs, observational, qualitative, diagnostic, systematic reviews). The core submission type.
Analysis
~2,500-3,000 wordsMakes an argument supported by data; 'academic heft yet a journalistic read.' Part opinion, part evidence synthesis.
Clinical Review
Variable by sub-typeState-of-the-art reviews for clinical education. Mix of commissioned and submitted.
Research Methods & Reporting
Similar to researchMethodological papers and reporting guidelines. A unique category reflecting BMJ's EBM commitment.
Editorial
~800-1,200 wordsCommentary and opinion on major topics. Mix of commissioned and submitted.
Landmark BMJ Papers
Papers that defined fields and changed science:
- First centrally randomised controlled trial - streptomycin for TB (MRC, 1948)
- Smoking and lung cancer link (Doll & Hill, 1950)
- British Doctors Study - 50-year smoking follow-up (Doll & Hill, multiple decades)
- Parachute RCT - humorous Christmas Issue satire of EBM dogma (2003, 2018)
- Evidence based medicine: what it is and what it isn't (Sackett et al., 1996 - defining EBM)
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Primary Fields
Related Journal Guides
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