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Dramatic Growth of Open Access Quick Reference: Status & Growth March 31, 2011
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Average growth
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NumberDailyWeeklyMonthly
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# of open access journals: DOAJ6,331428122
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# of free journals of academic interest: Electronic Journals Library28,0411073317
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# of repositories: OpenDOAR1,9151625
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# of documents freely available: BASE25,506,1836,19743,498188,489
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# of open access mandate policies (ROARMAP)27115
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% of world's scholarly literature freely available (Björk)20%
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More detailAverage growth
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Daily WeeklyMonthly
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Directory of Open Access Journals (DOAJ) http://www.doaj.org/
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# journals 6,331428122
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# of journals searchable at article level2,75921565
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# of articles searchable at article level543,4824543,18513,804
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Open J-Gate http://www.openj-gate.com # english-language journals8,467535151
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Open J-Gate peer-Reviewed5,673535153
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Open Journal Systems # OJS Journals http://pkp.sfu.ca/?q=ojs7,500
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Elektronische Zeitschriftenbibliotek - Electronic Journals Library http://rzblx1.uniregensburg.de/ezeit/index.phtml?bibid=AAAAA&colors=7&lang=en # journals that can be read free of charge28,0411073317
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Highwire Press Free Online Fulltext Articles http://highwire.stanford.edu/lists/freeart.dtl
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# free articles2,062,0331591,1184,845
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total # articles6,576,0879076,36527,582
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Highwire Completely Free Sites49
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Sites with free back issues282
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Open DOAR http://www.opendoar.org/ # repositories1,9151625
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Registry of Open Access Repositories (ROAR) http://roar.eprints.org/ # repositories2,22611045
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BASE: Bielefeld Academic Search Engine http://www.base-search.net/
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# of documents25,506,1836,19743,498188,489
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# of content providers1,7241416
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Scientific Commons http://www.scientificcommons.org/
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# publications38,245,8649,86969,272300,180
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# repositories1,26916
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PubMedCentral http://www.pubmedcentral.nih.gov/
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# items 2,052,7971,1738,23435,679
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# journals actively participating 1,0841521
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# journals in PMC with immediate free access662314
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# journals in PMC with all articles open access565312
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arXiv http://arxiv.org/ # eprints667,2741961,3765,964
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RePEC http://repec.org/ total items1,020,0004252,98112,917
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RePEC online (fulltext)890,0004112,88512,500
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E-LIS http://eprints.rclis.org/ Documents11,66632295
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Mendeley http://www.mendeley.com/stats/ (login required - free registration)
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metadata records75,917,569
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articles downloadable for free804,392
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metadata records - social sciences4,578,446
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articles downloadable for free - social sciences47,449
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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)30
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Funder47
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Institutional11713
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Multi-institutional1
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Thesis76
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Total27115
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Proposed Mandates21
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Open data policies (journals) - from OAD http://oad.simmons.edu/oadwiki/Journal_open-data_policies14
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For still more detail:
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Heather Morrison, The Imaginary Journal of Poetic Economics, Dramatic Growth of Open Access Series http://poeticeconomics.blogspot.com/2006/08/dramatic-growth-of-open-access-series.html
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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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