All metrics are for the last complete calendar year. Peer review times are median figures unless otherwise stated.
Peer review metricsSubmission to first decision before peer review17 daysSubmission to first decision after peer review125 daysSubmission to first decision overall (including articles rejected before peer review)26 daysSubmission to final acceptance after peer review and any author revisions191 daysdesk rejection rate66%Acceptance rate*21%*Acceptance rate is calculated as acceptance decisions as a proportion of all final decisions on directly submitted articles.
Citation-based metricsImpact Factor (2-Year)5.6Impact Factor (5-Year)6.1Immediacy Index1.4Citescore11.2Scimago Journal Rank (SJR)2.276Total Citations3742Diversity and inclusion metrics Proportion of accepted articles in 2023 from researchers* in:China15.3%LMIC**0.8%UK7.6%USA16.8% Proportion of accepted articles in 2023 from researchers* who identify as:Women15.0%Men82.7%Non-binary0.8%Not disclosed1.6% Proportion of reviewer invitations in 2023 to researchers in:China13.4%LMIC**1.9%UK8.8%USA21.3% Proportion of reviewer invitations in 2023 to researchers who identify as:Women11.2%Men83.8%Non-binary0.2%Not disclosed4.8%*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.