Gender imbalances among top-cited scientists across scientific disciplines over time through the analysis of nearly 5.8 million authors

John P A Ioannidis, Kevin W Boyack, Thomas A Collins and Jeroen Baas

PLOS Biology, 2023, vol. 21, issue 11, 1-14

Abstract: We evaluated how the gender composition of top-cited authors within different subfields of research has evolved over time. We considered 9,071,122 authors with at least 5 full papers in Scopus as of September 1, 2022. Using a previously validated composite citation indicator, we identified the 2% top-cited authors for each of 174 science subfields (Science-Metrix classification) in 4 separate publication age cohorts (first publication pre-1992, 1992 to 2001, 2002 to 2011, and post-2011). Using NamSor, we assigned 3,784,507 authors as men and 2,011,616 as women (for 36.1% gender assignment uncertain). Men outnumbered women 1.88-fold among all authors, decreasing from 3.93-fold to 1.36-fold over time. Men outnumbered women 3.21-fold among top-cited authors, decreasing from 6.41-fold to 2.28-fold over time. In the youngest (post-2011) cohort, 32/174 (18%) subfields had > = 50% women, 97/174 (56%) subfields had > = 30% women, and 3 subfields had =

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pbio00:3002385

DOI: 10.1371/journal.pbio.3002385

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