WORLD

ranking	Instituto	Country	Size	Visibility	Files Rich	scholar
1	Social Science Research Network		27	2	6	4
2	Arxiv.org e-Print Archive		18	1	1084	2
3	(1) Smithsonian/NASA Astrophysics Data System		2	4	1243	1
4	Research Papers in Economics		12	6	349	5
5	UK PubMed Central		1	13	5	3
6	CiteSeerX		4	3	1456	6
7	(1) CERN Document Server		22	8	2	12
8	Universidade de São Paulo Biblioteca Digital de Teses e Dissertações		82	12	17	7
9	Virginia Tech University Digital Library and Archives		389	7	57	104
10	HAL Institut National de Recherche en Informatique et en Automatique Archive Ouverte		79	22	10	25
11	HAL Sciences de l'Homme et de la Société		72	16	56	24
12	MIT Institutional Repository		116	15	18	41
13	University of California eScholarship Repository		349	17	25	20
14	Universiteit Utrecht Igitur Archive		349	28	14	9
15	NASA Technical Reports Server		53	9	3	231
16	(1) Universitat Autònoma de Barcelona Dipòsit Digital de Documents		78	32	8	16
17	Universitat Politécnica de Catalunya UPCommons		65	41	21	10
18	Munich Personal Repec Archive		360	27	29	20
19	University of Southampton Institutional Repository		174	19	76	72
20	Agecon Search Research in Agricultural and Applied Economics		233	31	24	32
21	Queensland University of Technology Institutional Repository		146	29	89	35
22	Digital CSIC		47	35	46	53
23	University of Michigan Deep Blue		84	25	23	169
24	Universidad de los Andes (Venezuela) Repositorio Institucional		26	34	45	91
25	National Taiwan University Repository		64	36	69	63
26	Institut Teknologi Sepuluh Nopemeber Repository		8	211	4	8
27	Repositório Digital Universidade Federal do Rio Grande do Sul LUME		113	84	16	20
28	E LIS Research in Computing and Library and Information Science		153	11	133	308
29	University of Queensland UQ eSpace		52	63	47	50
30	Universidade do Minho Repositorium		33	71	110	43
31	University of Illinois at Urbana Champaign Ideals		14	77	37	78
32	Diponegoro University Institutional Repository		245	104	33	14
33	University of Toronto T Space		283	43	96	62
34	Goteborg University Open Archive		443	51	81	39
35	Georgia Tech's Institutional Repository		29	76	28	84
36	University of North Texas Digital Library		13	26	136	329
37	Dissertations of the University of Groningen		419	48	36	79
38	University of British Columbia CIRCLE		89	109	19	40
39	Aalborg Universitet VBN Research		10	42	214	162
40	Organic ePrints		403	33	193	100
41	Oregon State University ScholarsArchive@OSU		7	56	38	200
42	Universidad Complutense de Madrid e-Prints		209	38	151	130
43	Leiden University Digital Repository		164	46	48	148
44	Humboldt Universitat zu Berlin Publikationsserver		324	30	113	185
45	Universitetet i Oslo Digitale Publikasjoner		143	123	72	28
46	Universidad de Alicante Repositorio Institucional		109	50	108	147
47	Universitat Heidelberg Dokumentenserver		255	37	134	170
48	Katholieke Universiteit Leuven Lirias Repository		42	126	107	36
49	Ohio State University Knowledge Bank		139	49	77	181
50	Cryptology ePrint Archive		834	18	250	277
51	Université de Liège Open Repository and Bibliography ORBi		28	108	200	51
52	EconStor		60	117	15	93
53	Repositorio Escuela Superior Politécnica del Litoral		151	106	44	67
54	Universität Wien Diplomarbeiten und Dissertationen		806	97	124	18
55	University of Nebraska Lincoln DigitalCommons		262	20	1305	48
56	University of Helsinki HELDA		317	79	106	69
57	Bogor Agricultural University Scientific Repository		110	264	7	19
58	Ludwig Maximilians Universitat Munchen Dissertationen		200	57	155	119
59	Elektronische Hochschulschriften Universität Stuttgart		561	39	220	145
60	Universitas Muhammadiyah Surakarta Digital Library		180	295	20	11
61	Universiti Teknologi Malaysia Institutional Repository		475	74	141	86
62	University of Pretoria Electronic Theses and Dissertations		703	60	62	128
63	Erasmus University Repository		179	124	92	73
64	TDL Repository Texas Digital Library Repository		62	324	52	13
65	University of Saint Gallen Forschungsplattform Alexandria		102	105	32	166
66	LSE Research Online London School of Economics and Political Science		403	72	255	116
67	JAMSTEC Repository Japan Agency for Marine-Earth Science and Technology		86	10	112	861
68	Georg August Universität Gottingen Dokumentenserver		649	44	80	245
69	Universidad Politécnica de Madrid Archivo Digital		266	114	184	76
70	University of Technology Sydney Press Institutional Repository		146	90	394	102
71	Kyoto University Research Information Repository		48	136	9	211
72	École Polytechnique Federale de Lausanne Infoscience		74	86	63	260
73	Gunadarma University Repository		752	64	408	87
74	University of Ghent Institutional Archive		18	272	164	29
75	Kansas State University Research Exchange		108	129	180	99
76	University of Oregon Scholars' Bank		101	70	190	253
77	Open Research Online		95	93	357	135
77	PubMed Central Canada		11	145	1	439
79	National Central University (Taiwan) Institutional Repository		54	110	1090	27
80	Jyväskylä University Digital Archive		339	101	125	130
81	UCL Discovery University College London		142	118	279	105
82	University of Maryland Digital Repository DRUM		387	107	135	130
83	PhilPapers		17	23	747	666
84	Archive of European Integration		191	82	118	263
85	Adelaide Research & Scholarship University of Adelaide		128	144	35	207
86	Repositorio Digital de la Escuela Politécnica del Ejército		154	146	208	120
87	Universidad Nacional de Colombia Repositorio Institucional		203	200	100	94
88	University of Hawai'i at Manoa ScholarSpace		42	98	59	422
89	Cogprints Cognitive Sciences ePrint Archive		419	24	507	593
89	Universitat München Elektronischen Publikationen		287	47	161	470
91	Gredos Repositorio Documental Universidad de Salamanca		167	222	204	74
91	University of South Africa Institutional Repository		68	158	171	177
93	Freiburger Dokumentenserver Universitätsbibliothek Freiburg		700	68	210	261
94	National Chengchi University Repository		206	159	31	209
95	Delft University of Technology Repository		339	152	67	162
96	Stellenbosch University Scholar Repository		37	224	181	129
97	Natural Environmental Research Council Open Research Archive		117	122	290	216
98	University of Twente Repository		353	160	55	178
99	Chalmers Publication Library		437	183	298	70
100	Universiteit van Amsterdam Digital Academic Repository		207	55	1340	46

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