.

Dramatic Growth of Open Access: Open Data Edition

.

For commentary, methods notes, and links to related works see The Imaginary Journal of Poetic Economics http://poeticeconomics.blogspot.com/2006/08/dramatic-growth-of-open-access-series.html (Dramatic Growth of Open Access Series_

.

02/200512/31/20053/31/2006Jun-069/30/200612/31/20063/31/200706/31/079/30/200712/11/200712/31/20073/31/20086/30/089/30.0812/11/200812/31/083/31/096/30/099/30/0912/11/200912/31/200903/31/201006/30/20109/30/1012/11/10

.

Directory of Open Access Journals (DOAJ) http://www.doaj.org/

.

# of DOAJ journals1,4001,9882,1582,2922,4012,5142,6182,7312,8463,0003,0313,3023,4813,6683,7813,8123,9994,2524,3614,4904,5354,8635,1405,4525,864

.

# of titles added last 30 days783845343717511016478828147451057234727595114148228

.

# of journals searchable at article level4925946536977477888238899739831,0721,1781,2591,3291,3401,4231,5741,6641,7351,7591,9742,1222,2882,435

.

# of articles searchable at article level83,23592,751101,434109,840124,033130,014138,065148,867164,583166,781175,230190,093210,985240,314244,604266,451290,261315,407332,127335,499377,837412,665447,657485,034

.

.

BASE: Bielefeld Academic Search Engine http://www.base-search.net/

.

# of documents22,007,36723,244,31224,799,97225,516,27525,517,258

.

# of content providers1,4041,5331,7011,7301,729

.

.

OAIster http://www.oaister.org/

.

OAIster: number of records5,000,0006,255,5997,040,5867,605,7299,417,7729,931,91011,023,11211,985,19713,397,12214,343,24614,492,71915,598,09716,903,59717,954,81119,208,28919,379,23520,310,59122,009,01823,094,888over 23 million (note)over 23 million (note)25,000,000

.

OAIster: repositories4055786106476807267608508889149259431,0011,0181,0511,0541,0961,1391,139over 1,100 contributorsover 1,100 contributors1,100

.

.

Registry of Open Access Repositories (ROAR) http://roar.eprints.org/ # repositories

.

7467928629069629681,0361,0931,1451,2291,2391,3011,4001,4701,5531,5571,6821,7981,8692,049

.

.

Open DOAR http://www.opendoar.org/ added April 2, 2007 (2006 from Peter Suber's SPARC Open Access Newsletter (SOAN)

.

8338539099501,0131,0171,1181,1631,2541,2961,3731,4191,4901,5541,5581,6171,6961,7371,815

.

.

Scientific Commons http://www.scientificcommons.org/ (added April 2, 2007) (2006 from Peter Suber's SOAN)

.

# publications14,554,63615,632,53916,200,67116,706,57116,845,38118,152,31619,582,98122,616,30924,152,70724,377,85426,430,90927,736,84930,547,12832,265,67832,265,67834,643,70737,057,92338,245,86438,245,864

.

# authors6,408,0606,752,5986,877,8237,093,2387,116,2857,388,6237,909,2798,904,1529,409,240n/a

.

# repositories8408498698818918939029089549639659811,0041,1241,1581,1581,1961,2121,2691,269

.

.

Highwire Press Free Online Fulltext Articles http://highwire.stanford.edu/lists/freeart.dtl

.

# free articles800,0001,131,1351,335,5461,354,5591,435,9241,552,4671,683,8091,718,1881,808,6561,831,1471,838,3831,872,9801,897,8991,941,5832,015,0262,104,0101,891,9741,901,5761,936,8371,965,6711,974,2702,003,8922,001,2581,990,7942,087,801

.

total # articles4,559,0514,602,2174,726,3654,792,1564,881,3595,032,0415,131,2825,609,4736,021,6976,108,4516,151,6056,167,0096,245,1016,375,2486,317,2876,447,853

.

Highwire Completely Free Sites37394343434342444343444747464645474746

.

Sites with free back issues249249253255256256267282283282283286287282286

.

.

PubMedCentral http://www.pubmedcentral.nih.gov/

.

# items (from ROAR) 100% fulltext696,503766,387840,087883,158992,2851,014,4061,121,1621,376,3591,474,5971,503,5051,508,6131530623 records1,564,7781,585,6631,602,0511,603,5181,624,6491,629,7641,662,4371,978,236

.

# journals participating in PMC (from PMC website) * PMC14104664925385446637257808989601,009

.

# journals actively participating in PMC (total - predecessor - no new content)6156717217248328989601,009

.

# journals in PMC with immediate free access321355375413418447488425 [1]450453493519556596

.

# journals in PMC with all articles open access257288293306398377 [2]362396426446480515

.

.

.

arXiv http://arxiv.org/ 350,745362,334374,166386,716400,814414,115427,314441,089453,663456,470470,439485,141499,706512,366515,376530,415546,172562,066576,095579,301595,703612,703629,806645,461

.

.

RePEC http://repec.org/ total items350,000367,000385,000428,000451,000453,000485,000504,000555,000558,000575,000600,000620,000670,000670,000727,000760,000783,000813,000825,000865,000930,000955,000985,000

.

RePEC online (fulltext)200,000250,000266,000282,000321,000343,000346,000375,000392,000445,000448,000465,000492,000510,000555,000555,000615,000648,000667,000692,000700,000740,000800,000825,000860,000

.

.

E-LIS http://eprints.rclis.org/ Documents3,0953,5393,8854,2854,8715,3755,9766,5787,0127,1047,5237,9768,2008,6548,7118,9769,2929,59410,01110, 11210,52410,81011,04811,346

.

.

CARL Metadata Harvester http://carl-abrc-oai.lib.sfu.ca/note

.

# archives11121212121212131717171715161617202023232323

.

# items21,92222,56622,81924,37025,08030,05035,17140,64744,91745,02446,76849,56652,29275,08576,24292,057104,366103,688131,369132,066140,993129,264

.

40

.

Open Access Mandate Policies based on ROARMAP http://www.eprints.org/openaccess/policysignup/

.

Departmental444461314181821242429

.

Funder23273030353841424244454646

.

Institutional202225273139437979879096108

.

Multi-institutional1

.

Thesis2933393960616470

.

Total404653596172119131178178212220230254

.

Proposed Mandates8101110141415151519191920

.

.

Elektronische Zeitschriftenbibliotek - Electronic Journals Library # open access journals13,07115,12016,31516,46117,63618,59719,51019,998?21,30721,97922,70623,35623,43924,23825,11826,23126,851

.

.

Open J-Gate http://www.openj-gate.com # english-language open-access journals4,3534,3804,3764,388unavailable due to maintenance4,6694,7334,8305,5955,9436,1256,1986,6547,1027,5327,921

.

Peer-Reviewed2,5342,5782,6523,2513,4163,5103,5803,8324,1264,4844,721

.

.

Open Journal Systems http://pkp.sfu.ca/?q=ojs

.

# of journals using OJS8009001,000*1,4002,0002,9685,0006,6007,500

.

.

Open Content Alliance / Internet Archives

.

# books under OCA principles or public domain hosted by Internet Archives1,600,0001,600,000

.

Heather Morrison, The Imaginary Journal of Poetic Economics http://poeticeconomics.blogspot.com

.

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.

.

last updated:

.

Dec. 11, 2010
[1] Heather Morrison: CORRECTED September 30, 2009, predecessor titles removed from list to recalculate immediate free access and open access
[2] Heather Morrison: see above