What is the impact factor of BMJ?

BMJ has an impact factor of 93.6 (2024). This places it among the top-tier journals in its field with BMJ (British Medical Journal) is one of the world's most selective and influential medical journals.

How long does BMJ take to review?

BMJ typically takes ~60-90 days median. The full review process involves 6 main stages: manuscript preparation, pre-submission inquiry (strongly recommended), and peer review.

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BMJ Impact Factor 93.6: Publishing Guide

Q: What is the acceptance rate of BMJ?

BMJ has an acceptance rate of ~5-7%. A common reason for rejection is addressing non-important clinical questions. BMJ expects study of major clinical significance. Questions of marginal clinical importance have minimal chance. Focus on what matters to patients and physicians globally.

Q: Is BMJ peer reviewed?

Yes, BMJ is fully peer reviewed. All submissions undergo rigorous peer review by Editor assesses clinical importance, methodological rigor, and potential impact. Extremely competitive with <7% acceptance. Quick rejection possible for insufficient rigor. Accepted papers undergo intensive peer review..

Clinical research advancing medical practice and patient care globally

93.6

Impact Factor (2024)

~5-7%

Acceptance Rate

~60-90 days median

Time to First Decision

What BMJ Publishes

BMJ (British Medical Journal) is one of the world's most selective and influential medical journals. With a publisher-reported impact factor of 93.6, BMJ publishes high-quality clinical research with global impact. The journal emphasizes rigorous methodology and findings that change clinical practice. Critically: BMJ has extremely competitive acceptance rates. Research must address important clinical questions with exemplary methodology and potential to influence how doctors practice. Small studies, single-center research, or incremental findings have minimal chance of acceptance.

Randomized controlled trials: treatment efficacy and safety
Observational studies: epidemiology, outcomes research, real-world data
Systematic reviews and meta-analyses: evidence synthesis
Diagnostic research: test accuracy and clinical utility
Public health and prevention: population health interventions
Health services research: healthcare delivery and quality
Clinical decision-making: treatment algorithms and guidelines
Global health: diseases affecting worldwide populations

Editor Insight

“BMJ publishes research that advances global medical practice. We seek rigorous studies addressing important clinical questions with potential to influence how physicians worldwide care for patients. Methodological excellence and generalizability are non-negotiable.”

What BMJ Editors Look For

Clinically important research question addressing major health challenge

Address questions mattering to patients and physicians globally. Does treatment work better? Are there serious harms? Why do patients respond differently? Questions affecting healthcare decisions worldwide have highest impact.

Exemplary study methodology with multi-center recruitment and large sample

BMJ expects methodologically rigorous research with adequate power. Randomized trials require proper allocation concealment and blinding. Observational studies need appropriate comparison and confounder control. Large multi-center studies with diverse populations far stronger than small single-center work.

Complete outcome assessment with low loss to follow-up

Rigorous outcome measurement and minimal loss to follow-up essential. >20% loss to follow-up typically unacceptable. Long-term follow-up showing sustained effects more compelling than short-term outcomes.

Results applicable to diverse populations and real-world settings

Studies enrolling diverse populations across geographies and settings have greater generalizability. Results applicable to patients doctors actually treat. Narrow populations or highly selected cohorts limit real-world relevance.

Potential to change clinical practice or policy

BMJ seeks research that influences how physicians practice. Will findings change treatment decisions? Will results affect guidelines or policy? Practice-changing potential crucial for acceptance.

Why Papers Get Rejected

These patterns appear repeatedly in manuscripts that don't make it past BMJ's editorial review:

Addressing non-important clinical questions

BMJ expects study of major clinical significance. Questions of marginal clinical importance have minimal chance. Focus on what matters to patients and physicians globally.

Weak study design or poor execution

Methodological flaws are fatal at BMJ. Inadequate sample size, poor randomization, high loss to follow-up, or unmeasured confounding typically result in rejection.

Small sample sizes or single-center enrollment

Small studies lack adequate power. BMJ expects sufficiently powered, multi-center studies with diverse enrollment. Large sample size and multi-center design significantly increase competitiveness.

Results not generalizable to broader populations

Narrow populations or selective enrollment limits generalizability. BMJ expects diverse recruitment and results applicable to patients doctors care for globally.

Short follow-up without demonstrating sustained effects

Clinical relevance often depends on long-term outcomes. Short-term results without sustained follow-up are less compelling.

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.

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Insider Tips from BMJ Authors

Large pragmatic trials addressing practice-relevant questions highly competitive

Pragmatic trials comparing actual treatment options doctors face, enrolling diverse populations, and measuring patient-centered outcomes are increasingly competitive at BMJ.

Research addressing health disparities and global health priorities valued

Studies examining treatment disparities, health inequities, or testing interventions in underserved populations worldwide increasingly receive editorial interest.

Research from lower-income countries with local relevance increasing

High-quality research addressing health challenges in low- and middle-income countries receives increasing editorial attention as BMJ expands global reach.

Pre-registration and published protocols increase credibility

Pre-registering trials and publishing study protocols on ClinicalTrials.gov significantly increase editorial credibility and reduce bias concerns.

Novel biomarkers or treatments addressing unmet needs especially competitive

Research on emerging threats, novel treatments for diseases without effective therapies, or breakthrough diagnostic approaches receives strong editorial interest.

The BMJ Submission Process

Manuscript preparation

Prep

Word limits strict (typically 3,000-5,000 for research). Include clinical importance justification, rigorous methods, results clearly presented, discussion addressing generalizability and clinical implications. Complete supporting information required.

Pre-submission inquiry (strongly recommended)

Before submission

Contact editor describing study before full submission. BMJ strongly encourages pre-queries to assess fit. High-quality pre-query responses dramatically increase acceptance likelihood.

Submission via BMJ system

Day 0

Submit at https://submit.bmj.com/. Required: manuscript within word limits, supplementary appendix with detailed methods, complete conflict of interest disclosures, trial registration.

Editorial assessment and review

1-3 weeks

Editor assesses clinical importance, methodological rigor, and potential impact. Extremely competitive with <7% acceptance. Quick rejection possible for insufficient rigor. Accepted papers undergo intensive peer review.

Peer review

60-90 days

3-4 expert reviewers assess every aspect: study design, statistical analysis, conflicts of interest, generalizability. Extremely thorough review. First decision 60-90 days.

Revision and publication

Revision: 4-12 weeks if revise-and-resubmit

Revisions often substantial, requiring additional analysis or clarifications. But acceptance rate remains <7%. Accepted manuscripts published within 2-4 weeks.

BMJ by the Numbers

2024 Impact Factor(BMJ publisher-reported metric; ranked 3/325 in general medicine)	93.6
5-Year Impact Factor	Not stated
Acceptance rate	~5-7%
Desk rejection rate	~85-90%
Median first decision	~75 days
Manuscript limit	3,000-5,000 words
Publisher	BMJ Publishing Group
Founded	1840

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.

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Article Types

Research Article

3,000-5,000 words

Rigorous clinical trial or observational study

Systematic Review

4,000-6,000 words

Comprehensive evidence synthesis (exceptional quality)

Editor's Choice

1,500-2,000 words

Commentary on healthcare or research ethics (usually invited)

Landmark BMJ Papers

Papers that defined fields and changed science:

Landmark cardiovascular trials (various) - changed treatment practices globally
Hormone replacement therapy (2002) - reversed medical practice
Aspirin for cardiovascular prevention - shaped primary prevention guidelines
COVID-19 vaccine trials and treatments - shaped pandemic response
Health disparities and equity research - advanced healthcare justice

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Primary Fields

Clinical TrialsEpidemiologyHealth Services ResearchPublic HealthHealth DisparitiesGlobal Health

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