201[https://sustainingknowledgecommons.files.wordpress.com/2020/01/base.png?w=300&h=180]<https://sustainingknowledgecommons.files.wordpress.com/2020/01/base.png>9 was another great year for open access! Of the 57 macro-level global OA indicators included in The Dramatic Growth of Open Access, 50 (88%) have growth rates that are higher than the long-term trend of background growth of scholarly journals an d articles of 3 – 3.5% (Price, 1963; Mabe & Amin, 2001). More than half had growth rates of 10% or more, approximately triple the background growth rate, and 13 (nearly a quarter) had growth rates of over 20%.
[https://sustainingknowledgecommons.files.wordpress.com/2020/01/opendoar.png?w=300&h=180]<https://sustainingknowledgecommons.files.wordpress.com/2020/01/opendoar.png>Newer services have an advantage when growth rates are measured by percentage, and this is reflected in the over 20% 2019 growth category. The number of books in the Directory of Open Access Books tops the growth chart by nearly doubling (98% growth); bioRxiv follows with 74% growth. A few services showed remarkable growth on top of already substantial numbers. As usual, Internet Archive stands out with a 68% increase in audio recordings, a 58% increase in co[https://sustainingknowledgecommons.files.wordpress.com/2020/01/08d8c-doaj2barticles.png?w=320&h=163]llections, and a 48% increase in software. The number of articles searchable through DOAJ grew by over 900,000 in 2019 (25% growth). OpenDOAR is taking off in Asia, the Americas, Africa, and overall, with more than 20% growth in each of these categories, and SCOAP3 also grew by more than 20%. The only area indicating some cause for concern is PubMedCentral. Although overall growth of free full-text from PubMed is robust. A keyword search for “cancer” yields about 7% – 10% more free full-text than a year ago. However, there was a slight decrease in the number of journals contributing to PMC with “all articles open access”, a drop of 138 journals or a 9% decrease. I have double-checked and the 2018 and 2019 PMC journal lists have been posted in the dataverse in case anyone else would like to check (method: sort the “deposit status” column and delete all Predecessor and No New Content journals, then sort the “Open Access” column and count the number of journals that say “All”. The number of journals submitting NIH portfolio articles only grew by only 1. Could this be backtracking on the part of publishers or perhaps technical work underway at NIH? Full data is available in excel and csv format from: Morrison, Heather, 2020, “Dramatic Growth of Open Access Dec. 31, 2019”, https://doi.org/10.5683/SP2/CHLOKU, Scholars Portal Dataverse, V1 References Price, D. J. de S. (1963). Little science, big science. New York: Columbia University Press. Mabe, M., & Amin, M. (2001). Growth dynamics of scholarly and scientific journals. Scientometrics, 51(1), 147–162. This post is part of the Dramatic Growth of Open Access Series<https://poeticeconomics.blogspot.com/2006/08/dramatic-growth-of-open-access-series.html>. It is cross-posted from The Imaginary Journal of Poetic Economics. Dr. Heather Morrison Associate Professor, School of Information Studies, University of Ottawa Professeur Agrégé, École des Sciences de l'Information, Université d'Ottawa Principal Investigator, Sustaining the Knowledge Commons, a SSHRC Insight Project sustainingknowledgecommons.org heather.morri...@uottawa.ca https://uniweb.uottawa.ca/?lang=en#/members/706 [On research sabbatical July 1, 2019 - June 30, 2020]
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