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Most-cited scientists are still mostly men, but the gender gap is closing

Most-cited scientists: still mostly men, but the gender gap is closing
There have been very prominent gender disparities across science fields. Although some of these disparities are diminishing over time, there is still a gap between men and women across multiple dimensions, including recruitment, tenure and, notably, authorship and citation impact. In this article, a study has been carried out to evaluate the gender composition of top-cited authors within different subfields of research. All in all, the results show that men outnumbered women 1.88-fold among all authors, with a decrease from 3.93-fold pre-1992 to 1.36-fold post-2011. Interestingly, among top-cited author, men outnumbered women 3.21-fold, decreasing from 6.41-fold to 2.28-fold over time. There is a similar tendency with the proportion of women among top-cited authors across 174 scientific subfields either over their career or on single-year publications, showing large heterogeneity across scientific disciplines. In a nutshell, the proportion of women among top-cited authors increased over time but this evolution was slow overall and there are still fewer subfields where women had a competitive advantage against men to find themselves among the top-cited authors. Credit: Anne-Lise Paris, (in-graphidi.com), PLOS, CC-BY 4.0 (creativecommons.org/licenses/by/4.0/)

An analysis of 5.8 million authors across all scientific disciplines shows that the gender gap is closing, but there is still a long distance to go. The new research by John Ioannidis of the Meta-Research Innovation Center at Stanford (METRICs) at Stanford University, US, and colleagues, was published Nov. 21 in the journal PLOS Biology.

There is a strong in science which manifests itself in many ways. One of the most prominent ones is the relative representation of men and women among the scientists whose work receives the most attention in the .

In the new study, the researchers evaluated the entire Scopus database, a database that includes papers across all scientific fields. The database included 5.8 million authors who could have their assigned with high certainty. Of those, 3.8 million were men and 2.0 million were women.

The researchers found that men outnumbered women 3.93 times among those authors who started publishing before 1992, but only 1.36 times among those authors who started publishing after 2011. However, when limited to the authors who had the highest impact (namely, those who were in the top 2% of their discipline based on a citation indicator), men outnumbered women 3.21 times among top-cited authors, decreasing from 6.41 times in the senior groups to 2.28 times in the youngest group who started publishing after 2011.

In the youngest group, 32 of the 174 fields of science (18%) had at least as many women as men, or even more women than men, within the category of top-cited authors.

Most-cited scientists: still mostly men, but the gender gap is closing
The proportion of authors who are women among those who are the most cited ones, demonstrating how this proportion has increased over time (according to when a scientist published their first paper). Credit: Ioannidis JPA, et al., 2023, PLOS Biology, CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

Gender imbalances in author numbers decreased sharply over time in both (including the U.S.) and other countries, but the latter had little improvement in imbalances for top-cited authors.

In random samples of 100 women and 100 men from the youngest group, in-depth assessment showed that most were working in academic environments as of 2023, but promotion to full professor was very rare. The authors argue that both gender imbalances and slow promotion pathways for the most gifted scientists, regardless of gender, need to be improved.

Ioannidis says, "Our work documents substantial shrinkage over time of the inequalities between men and women in the top echelons of scientific citation impact, but there is substantial room for further improvements in most ."

More information: Ioannidis JPA, Boyack KW, Collins TA, Baas J (2023) Gender imbalances among top-cited scientists across scientific disciplines over time through the analysis of nearly 5.8 million authors. PLoS Biology (2023). DOI: 10.1371/journal.pbio.3002385

Journal information: PLoS Biology

Citation: Most-cited scientists are still mostly men, but the gender gap is closing (2023, November 21) retrieved 23 February 2024 from https://phys.org/news/2023-11-most-cited-scientists-men-gender-gap.html
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