WORLD

ranking	Instituto	Country	Size	Visibility	Files Rich	scholar
1	Arxiv.org e-Print Archive		38	1	8	1
2	Research Papers in Economics		23	5	411	3
3	Europe PubMed Central		5	30	1	2
4	CiteSeerX		12	6	1491	4
5	Social Science Research Network		70	2	9	1008
6	Virginia Tech University Digital Library and Archives		344	7	57	101
7	University of California eScholarship Repository		380	11	28	13
8	(1) CERN Document Server		8	54	2	13
9	HAL Institut National de Recherche en Informatique et en Automatique Archive Ouverte		27	28	5	17
10	Universiteit Utrecht Igitur Archive		404	22	24	6
11	MIT Institutional Repository		145	10	29	46
12	HAL Sciences de l'Homme et de la Société		110	17	85	18
13	Munich Personal Repec Archive		135	21	69	24
14	Agecon Search Research in Agricultural and Applied Economics		313	20	32	38
15	(1) Universitat Autònoma de Barcelona Dipòsit Digital de Documents		54	57	10	11
16	Universitat Politécnica de Catalunya UPCommons		85	59	20	9
17	University of Michigan Deep Blue		81	15	26	146
18	Queensland University of Technology Institutional Repository		174	25	96	36
19	Digital CSIC		53	33	42	43
20	National Taiwan University Repository		90	36	77	20
21	Repositório Digital Universidade Federal do Rio Grande do Sul LUME		2	91	15	19
22	E LIS ePrints in Library and Information Science		425	9	167	149
23	University of Queensland UQ eSpace		39	53	36	41
24	(1) Smithsonian/NASA Astrophysics Data System		7	4	1237	856
25	Georgia Tech's Institutional Repository		18	56	30	73
26	University of Nebraska Lincoln DigitalCommons		329	12	1051	49
27	Universidad de los Andes (Venezuela) Repositorio Institucional		49	29	93	116
28	Universidade do Minho Repositorium		19	65	114	38
29	EconStor		63	98	13	21
30	University of Southampton Institutional Repository		21	45	113	77
31	Oregon State University ScholarsArchive@OSU		10	40	34	165
32	Universität Wien Diplomarbeiten und Dissertationen		192	94	91	8
33	University of North Texas Digital Library		20	23	72	310
34	University of Toronto T Space		220	39	100	65
35	Universitat Heidelberg Dokumentenserver		229	35	133	67
36	Goteborg University Open Archive		498	42	82	40
37	NASA Technical Reports Server		155	8	7	639
38	Kansas State University Research Exchange		29	58	188	64
39	Institut Teknologi Sepuluh Nopemeber Repository		39	254	4	5
40	Universitetet i Oslo Digitale Publikasjoner		60	104	65	22
41	University of Illinois at Urbana Champaign Ideals		28	66	16	113
42	Universidad Complutense de Madrid e-Prints		197	32	152	127
43	Diponegoro University Institutional Repository		259	127	38	12
44	University of British Columbia CIRCLE		109	106	27	47
45	Organic ePrints		435	31	201	91
46	Dissertations of the University of Groningen		504	50	44	83
47	Université de Liège Open Repository and Bibliography ORBi		34	115	68	54
48	Ohio State University Knowledge Bank		167	49	81	134
49	Leiden University Digital Repository		169	48	49	162
50	Katholieke Universiteit Leuven Lirias Repository		30	143	108	31
51	Ludwig Maximilians Universitat Munchen Dissertationen		223	41	171	121
52	Humboldt Universitat zu Berlin Publikationsserver		401	27	124	223
53	École Polytechnique Federale de Lausanne Infoscience		137	75	78	98
54	University of Helsinki HELDA		316	78	104	68
55	LSE Research Online London School of Economics and Political Science		432	47	247	93
56	Erasmus University Repository		233	85	94	74
57	National Central University (Taiwan) Institutional Repository		114	90	779	27
58	Uppsala University DiVA		157	119	284	32
59	Universidad de Alicante Repositorio Institucional		532	38	109	181
60	Repositorio Escuela Superior Politécnica del Litoral		162	134	43	61
61	Cryptology ePrint Archive		846	19	254	327
62	University of Pretoria Electronic Theses and Dissertations		763	64	59	122
63	Aalborg Universitet VBN Research		13	84	199	191
64	Bogor Agricultural University Scientific Repository		128	319	6	15
65	Kyoto University Research Information Repository		57	113	11	219
66	University of Technology Sydney Press Institutional Repository		201	125	386	35
66	University of Oregon Scholars' Bank		91	61	200	236
68	University of Maryland Digital Repository DRUM		426	76	134	109
69	University of Ghent Institutional Archive		50	211	161	29
70	Technical University of Denmark Online Research Database in Technology		100	62	295	208
71	TDL Repository Texas Digital Library Repository		33	316	50	16
72	JAMSTEC Repository Japan Agency for Marine-Earth Science and Technology		15	13	107	923
73	Gredos Repositorio Documental Universidad de Salamanca		149	193	35	62
74	Universiti Teknologi Malaysia Institutional Repository		524	105	150	78
75	Delft University of Technology Repository		348	124	47	97
76	Linkoping University DiVA		252	157	289	37
77	Purdue University DigitalCommons		535	63	1116	48
78	Universiteit van Amsterdam Digital Academic Repository		151	52	1352	22
79	Archive of European Integration		213	74	55	275
79	University of Twente Repository		332	109	53	144
81	University of Minnesota Digital Conservancy		583	89	97	129
82	PhilPapers		32	18	871	604
83	Universidad Politécnica de Madrid Archivo Digital		311	145	180	69
84	(1) UCL Discovery University College London Institutional Repository		165	136	230	94
85	Jyväskylä University Digital Archive		389	110	143	131
86	Open Knowledge Repository The World Bank		17	126	351	184
87	PubMed Central Canada		83	155	3	426
88	University of Hawai'i at Manoa ScholarSpace		25	102	78	413
89	University of Saint Gallen Forschungsplattform Alexandria		147	139	17	280
90	Swedish University of Agricultural Sciences Epsilon Open Archive		379	180	172	79
91	University of Pennsylvania ScholarlyCommons		713	51	1119	114
92	Cogprints Cognitive Sciences ePrint Archive		443	24	543	616
93	Servicio de Difusión de la Creación Intelectual Universidad Nacional de la Plata		30	312	194	57
94	Universidad Nacional de Colombia Repositorio Institucional		290	202	120	84
95	Adelaide Research & Scholarship University of Adelaide		159	120	40	327
95	Universidade de São Paulo Biblioteca Digital de Teses e Dissertações		128	14	21	1107
97	Belarusian State University Digital Library		189	353	90	28
98	Repositorio Digital de la Escuela Politécnica del Ejército		78	200	198	118
99	Chalmers Publication Library		697	158	253	72
100	PEDOCS Fachlicher Dokumentenserver Paedagogik / Erziehungswissenschaften		55	96	385	320

Pages