| 1 | 5 | UK PubMed Central | 1 | 13 | 5 | 3 |
| 2 | 19 | University of Southampton Institutional Repository | 174 | 19 | 76 | 72 |
| 3 | 66 | LSE Research Online London School of Economics and Political Science | 403 | 72 | 255 | 116 |
| 4 | 77 | Open Research Online | 95 | 93 | 357 | 135 |
| 5 | 81 | UCL Discovery University College London | 142 | 118 | 279 | 105 |
| 6 | 83 | PhilPapers | 17 | 23 | 747 | 666 |
| 7 | 89 | Cogprints Cognitive Sciences ePrint Archive | 419 | 24 | 507 | 593 |
| 8 | 97 | Natural Environmental Research Council Open Research Archive | 117 | 122 | 290 | 216 |
| 9 | 152 | Warwick Research Archives Project Repository | 234 | 242 | 218 | 187 |
| 10 | 176 | Cambridge University Institutional Repository | 730 | 125 | 168 | 419 |
| 11 | 177 | University of Glasgow Published and peer-reviewed papers | 242 | 175 | 399 | 322 |
| 12 | 193 | University College London Institutional Repository | 622 | 120 | 422 | 422 |
| 13 | 214 | University of Huddersfield Repository | 256 | 347 | 320 | 204 |
| 14 | 220 | Loughborough University Institutional Repository | 202 | 338 | 254 | 293 |
| 15 | 223 | University of Leicester Research Archive | 437 | 235 | 479 | 322 |
| 16 | 227 | OPUS Online Publications Store University of Bath | 133 | 297 | 481 | 322 |
| 17 | 233 | Digital Education Resource Archive DERA | 538 | 328 | 148 | 316 |
| 18 | 242 | University of Birmingham eTheses | 465 | 357 | 384 | 240 |
| 19 | 258 | (1) Brunel University Research Archive | 115 | 258 | 391 | 559 |
| 20 | 272 | Lancaster University Institutional Repository | 511 | 320 | 435 | 346 |
| 21 | 275 | White Rose Research Online | 711 | 210 | 305 | 553 |
| 22 | 291 | University of Strathclyde Institutional Repository | 345 | 572 | 323 | 196 |
| 23 | 301 | University of Salford Institutional Repository | 937 | 365 | 303 | 342 |
| 24 | 315 | University of Nottingham eTheses | 679 | 316 | 535 | 444 |
| 25 | 325 | University of Glasgow Theses | 870 | 465 | 393 | 247 |
| 26 | 329 | School of Oriental and African Studies Institutional Repository | 570 | 259 | 654 | 542 |
| 27 | 330 | Bournemouth University Institutional Repository | 963 | 366 | 566 | 322 |
| 28 | 331 | Ulster Institutional Repository University of Ulster | 497 | 419 | 511 | 349 |
| 29 | 332 | Cranfield University CERES | 1017 | 342 | 365 | 421 |
| 30 | 341 | School of Advanced Study University of London Space E-Repository | 668 | 234 | 426 | 719 |
| 31 | 357 | University of Lincoln Applied Computing Sciences Institutional Repository | 508 | 443 | 471 | 405 |
| 32 | 359 | University of the West of England Research Repository | 929 | 436 | 543 | 300 |
| 33 | 360 | Durham University E-Theses | 1004 | 458 | 307 | 339 |
| 34 | 367 | University of Surrey Scholarship Online | 539 | 391 | 321 | 554 |
| 35 | 383 | University of Edinburgh Research Archive | 933 | 174 | 403 | 863 |
| 36 | 392 | Exeter University Research and Institutional Content Archive | 490 | 435 | 513 | 492 |
| 37 | 399 | Middlesex University Digital Repository | 1044 | 415 | 641 | 361 |
| 38 | 400 | University of Kent Academic Repository | 305 | 509 | 497 | 485 |
| 39 | 409 | University of Stirling Digital Repository | 1098 | 389 | 517 | 486 |
| 40 | 415 | Parade@Portsmouth | 280 | 764 | 515 | 227 |
| 41 | 426 | Durham Research Online University of Durham | 450 | 486 | 429 | 567 |
| 42 | 429 | University of St Andrews Digital Research Repository | 399 | 546 | 634 | 466 |
| 43 | 431 | University of Hertfordshire Research Archive | 1023 | 467 | 494 | 469 |
| 44 | 433 | White Rose Etheses Online | 1167 | 524 | 484 | 378 |
| 45 | 436 | Central Archive at the University of Reading | 138 | 457 | 709 | 661 |
| 46 | 442 | Aberystwyth University Cadair Repository | 381 | 308 | 574 | 890 |
| 47 | 451 | Birkbeck University of London Institutional Repository | 629 | 476 | 699 | 533 |
| 48 | 463 | Sheffield Hallam University Research Archive | 435 | 488 | 768 | 561 |
| 49 | 498 | Kingston University London Institutional Repository | 511 | 477 | 827 | 641 |
| 50 | 523 | University of Brighton Research Repository | 693 | 629 | 753 | 531 |
| 51 | 528 | Northumbria Research Link Northumbria University | 362 | 797 | 601 | 478 |
| 52 | 534 | De Montfort University Open Research Archive DORA | 320 | 639 | 821 | 614 |
| 53 | 537 | University of Westminster Research | 494 | 617 | 740 | 637 |
| 54 | 564 | Sussex Research Online at University of Sussex | 443 | 780 | 578 | 551 |
| 55 | 598 | Institute of Education University of London Institutional Repository | 767 | 490 | 735 | 901 |
| 56 | 610 | National Centre for Research Methods Repository | 1174 | 621 | 810 | 616 |
| 57 | 622 | Edinburgh Napier University Repository | 441 | 801 | 697 | 639 |
| 58 | 623 | Greenwich Academic Literature Archive GALA University of Greenwich | 507 | 1033 | 717 | 361 |
| 59 | 634 | University of Worcester Research and Publications | 863 | 682 | 842 | 667 |
| 60 | 645 | University of Chester Repository | 1192 | 696 | 582 | 714 |
| 61 | 646 | University of Nottingham Institutional Repository | 907 | 422 | 751 | 1034 |
| 62 | 663 | Online Research Cardiff University ORCA | 545 | 856 | 652 | 673 |
| 63 | 665 | CLoK Central Lancashire Online Knowledge University of Central Lancashire | 857 | 551 | 909 | 873 |
| 64 | 667 | Queen Margaret University eResearch | 714 | 786 | 693 | 719 |
| 65 | 675 | University of Oxford Mathematical Institute Institutional Repository | 812 | 716 | 657 | 820 |
| 66 | 699 | JISC Information Environment Repository | 1335 | 428 | 872 | 884 |
| 67 | 706 | University of East Anglia Digital repository | 898 | 868 | 666 | 658 |
| 68 | 708 | TeesRep Teesside University | 1034 | 579 | 826 | 941 |
| 69 | 718 | City Research Online City University London | 480 | 892 | 628 | 766 |
| 70 | 720 | University of Manchester School of Mathematics Institutional Repository | 1237 | 707 | 557 | 823 |
| 71 | 747 | London School of Hygiene & Tropical Medicine Research Online | 216 | 870 | 495 | 992 |
| 72 | 761 | Queen Mary Research Online | 642 | 1094 | 706 | 560 |
| 73 | 772 | University of Nottingham eDissertations | 1329 | 734 | 677 | 794 |
| 74 | 779 | Discovery University of Dundee Online Publications | 451 | 900 | 926 | 779 |
| 75 | 787 | Royal Holloway University of London Research Online | 1119 | 626 | 689 | 1062 |
| 76 | 794 | University of Wolverhampton Digital Repository | 1225 | 710 | 887 | 869 |
| 77 | 805 | Marine & Ocean Science ePrints Archive | 1256 | 111 | 614 | 1386 |
| 78 | 821 | LSE Theses Online London School of Economics and Political Science | 1106 | 904 | 934 | 744 |
| 79 | 831 | University of Birmingham e-Papers | 947 | 851 | 936 | 844 |
| 80 | 835 | Newcastle University eTheses | 1017 | 1130 | 720 | 602 |
| 81 | 842 | University of the Arts London Research Online | 539 | 922 | 876 | 911 |
| 82 | 851 | (1) Manchester Metropolitan University e-Space | 1128 | 718 | 906 | 1031 |
| 83 | 855 | University of Liverpool Research Archive | 722 | 966 | 776 | 914 |
| 84 | 861 | Manchester eScholar University of Manchester | 917 | 517 | 1337 | 1012 |
| 85 | 863 | University of Wales Institute Cardiff Repository | 721 | 854 | 1024 | 953 |
| 86 | 868 | University of Birmingham Institutional Repository | 615 | 826 | 817 | 1083 |
| 87 | 875 | University of Bristol Repository of Scholarly ePrints | 838 | 803 | 731 | 1096 |
| 88 | 878 | University of Northampton Electronic Collection of Theses and Research | 676 | 1148 | 1062 | 619 |
| 89 | 899 | (1) Imperial College Digital Repository | 513 | 653 | 643 | 1262 |
| 90 | 957 | Chilbolton, Daresbury, and Rutherford Appleton Laboratories Epublication Archive | 470 | 574 | 917 | 1318 |
| 91 | 977 | Robert Gordon University Digital Repository | 786 | 1146 | 832 | 968 |
| 92 | 1023 | IDS OpenDocs Institute of Development Studies | 846 | 1064 | 579 | 1180 |
| 93 | 1032 | University of Abertay Dundee Research Collections | 752 | 1087 | 1037 | 1066 |
| 94 | 1051 | Roehampton University Research Papers | 1319 | 833 | 987 | 1177 |
| 95 | 1053 | CEDA Repository British Atmospheric Data Centre | 1210 | 1088 | 901 | 1059 |
| 96 | 1061 | ROS Research Output Service Heriot-Watt University | 873 | 1228 | 998 | 984 |
| 97 | 1061 | University of Bedfordshire Repository | 1276 | 1124 | 1151 | 928 |
| 98 | 1063 | Institute of Cancer Research Repository | 1172 | 1134 | 845 | 1066 |
| 99 | 1069 | Anglia Ruskin University Research Online ARRO | 1295 | 1086 | 1137 | 980 |
| 100 | 1070 | University of Glamorgan Research Repository | 1078 | 1110 | 1178 | 1009 |
