About the journal

This page now only hosts journal metric information. You can find more information about the journal including the scope, article types, and peer review process here.

Journal metrics

All metrics are for the last complete calendar year. Peer review times are median figures unless otherwise stated.

Peer review metrics
Submission to first decision before peer review9 days
Submission to first decision after peer review68 days
Submission to first decision overall (including articles rejected before peer review)37 days
Submission to final acceptance after peer review and any author revisions110 days
Desk rejection rate43%
Acceptance rate*37%

*Acceptance rate is calculated as acceptance decisions as a proportion of all final decisions on directly submitted articles.

Citation-based metrics
Impact Factor (2-Year)2.1
Impact Factor (5-Year)2
Immediacy Index0.9
Citescore4
Scimago Journal Rank (SJR)0.718
Total Citations27374

Diversity and inclusion metrics
Proportion of accepted articles in 2022
from researchers* in:
China7.4%
LMIC**7.9%
UK13%
USA11.1%
 
Proportion of accepted articles in 2022
from researchers* who identify as:
Women10.1%
Men86.1%
Non-binary0%
Not disclosed3.9%
 
Proportion of reviewer invitations in
2022 to researchers in:
China6.9%
LMIC**5.8%
UK9.2%
USA11.1%
 
Proportion of reviewer invitations in
2022 to researchers who identify as:
Women10.3%
Men85%
Non-binary0.2%
Not disclosed4.4%

*corresponding author.

**Low/lower-middle income countries.

For geographical representation we report on a sample of our largest contributing countries, specifically the USA, China, the UK and low/lower-middle income countries. More information on the geographical composition of our programme can be found in our annual report.