Universities by Research i10-index in Ireland
Universities and colleges ranked by OpenAlex's institutional i10-index, the number of works with at least ten citations. This is a research metric, not a measure of teaching quality. OpenAlex is an open scholarly index; larger and older institutions tend to have more indexed research.
1University College Dublin106,500 works
101,735
2Trinity College Dublin96,832 works
93,342
3University College Cork60,924 works
62,347
4Ollscoil na Gaillimhe – University of Galway51,194 works
48,215
5University of Limerick34,365 works
28,574
6Dublin City University32,732 works
27,879
7Royal College of Surgeons in Ireland26,593 works
26,865
8National University of Ireland, Maynooth22,398 works
12,624
9National University of Ireland8,804 works
9,730
10Dublin Institute of Technology7,952 works
7,116
11Technological University Dublin10,261 works
3,547
12Athlone Institute of Technology1,165 works
1,508
13Galway-Mayo Institute of Technology1,231 works
1,173
14Dundalk Institute of Technology1,702 works
1,154
15Institute of Technology Sligo1,103 works
1,043
16Institute of Technology Tallaght698 works
864
17Atlantic Technological University2,433 works
850
18Mary Immaculate College1,738 works
616
19National College of Ireland1,687 works
548
20South East Technological University1,645 works
460
21Letterkenny Institute of Technology2,495 works
382
22Institute of Technology Tralee326 works
327
23Limerick Institute of Technology433 works
291
24Royal College of Physicians of Ireland634 works
201
25Institute of Technology, Blanchardstown240 works
105
26Dublin Business School361 works
98
27Dún Laoghaire Institute of Art, Design and Technology281 works
58
28Irish Management Institute69 works
38
30Discovery Programme73 works
22
31Griffith College119 works
18
32National College of Art and Design173 works
18
33Institute of Child Education and Psychology Europe19 works
14
34Milltown Institute of Theology and Philosophy179 works
8
35Free University of Ireland42 works
7
36Transport Infrastructure Ireland67 works
7
37All Hallows College60 works
6
38The American College48 works
6
39Garda Síochána College9 works
1
40Griffith College Cork34 works
1
Highlights
Within Ireland, University College Dublin ranks first in 2026 with 101,735, followed by Trinity College Dublin (93,342) and University College Cork (62,347).
Across 41 entries, values run from 101,735 (University College Dublin) to 1 (IBAT College), with a median of 382.
Source: OpenAlex, institutional Research i10-index, 2026. Unit: i10-index.
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