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Dramatic Growth of Open Access Quick Reference: Status & Growth June 30, 2011
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Average growth
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NumberDailyWeeklyMonthly
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# of open access journals: DOAJ6,694430130
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# of free journals of academic interest: Electronic Journals Library29,1961178340
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# of repositories: OpenDOAR1,9801524
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# of documents freely available: BASE29,000,00011,00079,000340,000
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# of open access mandate policies (ROARMAP)28916
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% of world's scholarly literature freely available (Björk)20%
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% of all literature indexed in PubMed freely available 1 year after publication14%
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Detail
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Directory of Open Access Journals (DOAJ) http://www.doaj.org/
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# of DOAJ journals 6,694
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# of titles added last 30 days
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# of journals searchable at article level2,960
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# of articles searchable at article level585,527
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Open J-Gate http://www.openj-gate.com # english-language open-access journals8,946
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Peer-Reviewed6,042
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Open Journal Systems http://pkp.sfu.ca/?q=ojs
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# of journals using OJS9,000
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Elektronische Zeitschriftenbibliotek - Electronic Journals Library # journals that can be read free of charge29,196
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Highwire Press Free Online Fulltext Articles http://highwire.stanford.edu/lists/freeart.dtl
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# free articles2,116,559
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total # articles6,702,485
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Highwire Completely Free Sites49
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Sites with free back issues283
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Open DOAR http://www.opendoar.org/
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1,980
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Registry of Open Access Repositories (ROAR) http://roar.eprints.org/ # repositories
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2,337
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BASE: Bielefeld Academic Search Engine http://www.base-search.net/
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# of documents28,911,265
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# of content providers1,890
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Scientific Commons http://www.scientificcommons.org/
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# publications38,245,864
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# authors
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# repositories1,269
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PubMedCentral http://www.pubmedcentral.nih.gov/
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# journals actively participating in PMC1,176
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# journals in PMC with immediate free access721
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# journals in PMC with all articles open access616
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arXiv http://arxiv.org/ 685,652
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RePEC http://repec.org/ total items1,060,000
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RePEC online (fulltext)925,000
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RePEc working papers405,000
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RePEc journal articles625,000
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RePEc software components2,100
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RePEc book and chapter listings25,000
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RePEc author contact and publication listings27,000
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RePEc institutional contact listings12,000
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E-LIS http://eprints.rclis.org/ Documents12,012
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Mendeley http://www.mendeley.com/stats/ (login required - free registration)
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metadata records95,498,473
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articles downloadable for free1,057,735
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metadata records - social sciences5,507,880
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articles downloadable for free - social sciences48,615
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Open Access Mandate Policies based on ROARMAP http://www.eprints.org/openaccess/policysignup/
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Sub-Institutional (was Departmental)33
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Funder48
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Institutional127
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Multi-institutional1
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Thesis80
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Total289
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Proposed Mandates20
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References
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Björk B-C, Welling P, Laakso M, Majlender P, Hedlund T, et al. 2010 Open Access to the Scientific Journal Literature: Situation 2009. PLoS ONE 5(6): e11273. doi:10.1371/journal.pone.0011273
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Björk, B., Roosr, A., & Lauri, M. (2008). Global annual volume of scholarly peer reviewed journal articles and the share available via different open access options. Paper presented at the ELPUB2008. Open Scholarship: Authority, Community, and Sustainability in the Age of Web 2.0 - Proceedings of the 12th International Conference on Electronic Publishing Held in Toronto, Canada 25-27 June 2008. Edited by: Leslie Chan and Susanna Mornati. Retrieved from http://elpub.scix.net/cgi-bin/works/Show?178_elpub2008
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Citation and licensing
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To cite or not to cite? The numbers presented in this document are facts, and hence quite appropriately not copyrightable. Citation is appropriate when using these figures for academic purposes (for the benefit of reader, who can then examine the evidence behind the figures, and for appropriate academic credit for me), or when using substantial portions of this document. Note that this document is available for re-use under the CC-BY-NC-SA license. Derivatives are welcome! Noncommercial just means don't sell this as your own work.
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To cite: Morrison, Heather. The Dramatic Growth of Open Access: Quick Reference, March 31, 2011. Dramatic Growth of Open Access Series.
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This work is licensed under the Creative Commons Attribution-Noncommercial-Share Alike 2.5 Canada License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/2.5/ca/ or send a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA.
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last updated March 31, 2011
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