Ireland's Top 2% Scientists 2024

Ireland has 841 scientists on the 2024 single-year Top 2% list, up 8.2% from 777 in 2023. That places Ireland 37th in the world by number of listed scientists, down 1 place. University College Dublin has the most listed scientists (178), followed by Trinity College Dublin (146).

Single Year

841

+64 (+8.2%) vs 2023

Career Data

836

+67 (+8.7%) vs 2023

World rank by count

#37

down 1 place vs 2023

Institutes

-10 (-12.0%) vs 2023

Scientists in Ireland on the list, by year

The single-year count has grown 44% since 2020.

Single-year list, change on the previous year

2021+21.2%

2022+6.8%

2023+2.5%

2024+8.2%

2025+10.0%

Show the numbers

Year	Single Year	Change	Career Data	Change
2020	586		547
2021	710	+21.2%	661	+20.8%
2022	758	+6.8%	721	+9.1%
2023	777	+2.5%	769	+6.7%
2024	841	+8.2%	836	+8.7%
2025	925	+10.0%	881	+5.4%

Top 10 institutes in Ireland

By number of listed scientists

Single-year list2024

Show the list

All 841 scientists

Single-year list2024

The first 100 are free to browse.

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Rank in Ireland	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	335	OL O'Neill, Luke A.J.	Trinity College Dublin	Immunology	Rank 12
2	645	SD Sun, Da Wen	University College Dublin	Food Science	Rank 6
3	751	BG Biesta, Gert	Maynooth University	Education	Rank 8
4	855	KR Kitchin, Rob	Maynooth University	Geography	Rank 4
5	864	CJ Coey, J. M.D.	Trinity College Dublin	Applied Physics	Rank 22
6	1,025	DT Dinan, Timothy G.	APC Microbiome Ireland	Psychiatry	Rank 28
7	1,045	CJ Cryan, John F.	APC Microbiome Ireland	Neurology & Neurosurgery	Rank 64
8	1,059	CJ Coleman, Jonathan N.	Trinity College Dublin	Nanoscience & Nanotechnology	Rank 33
9	1,445	TB Tiwari, Brijesh K.	Moorepark Food Research Centre	Food Science	Rank 12
10	1,663	HC Hill, Colin	APC Microbiome Ireland	Microbiology	Rank 26
11	1,987	PE Panadero, Ernesto	Dublin City University	Education	Rank 28
12	2,332	OF O'Brien, Fergal J.	Royal College of Surgeons in Ireland	Biomedical Engineering	Rank 10
13	4,057	DM Duffy, Michael J.	University College Dublin	Oncology & Carcinogenesis	Rank 118
14	4,120	WJ Walter, Jens	University College Cork	Microbiology	Rank 68
15	4,329	CP Cotter, Paul D.	Moorepark Food Research Centre	Microbiology	Rank 72
16	4,630	BM Buchheit, Martin	Performance Research Intelligence Initiative	Sport Sciences	Rank 12
17	4,997	CH Curran, Henry	University of Galway	Energy	Rank 117
18	5,181	SF Shanahan, Fergus	APC Microbiome Ireland	Gastroenterology & Hepatology	Rank 69
19	6,247	MF Milano, Federico	University College Dublin	Energy	Rank 149
20	6,310	SP Serruys, Patrick	University of Galway	Cardiovascular System & Hematology	Rank 192
21	6,500	DM Daly, Michael	Maynooth University	Public Health	Rank 66
22	6,643	CI Coyne, Imelda	Trinity College Dublin	Nursing	Rank 11
23	7,018	MK Mills, Kingston H.G.	Trinity College Dublin	Immunology	Rank 166
24	7,061	CK Cashman, Kevin D.	University College Cork	Nutrition & Dietetics	Rank 48
25	7,386	SS Sanvito, Stefano	Trinity College Dublin	Applied Physics	Rank 153
26	8,285	TD Taylor, David	Trinity College Dublin	Mechanical Engineering & Transports	Rank 85
27	9,338	OP O'Toole, Paul W.	APC Microbiome Ireland	Microbiology	Rank 171
28	10,105	TC Taylor, Cormac T.	University College Dublin	Biochemistry & Molecular Biology	Rank 185
29	10,770	LB Lucey, Brian M.	Trinity College Dublin	Finance	Rank 54
30	11,359	RR Ross, R. Paul	APC Microbiome Ireland	Microbiology	Rank 220
31	11,633	HO Hardiman, Orla	Trinity College Dublin	Neurology & Neurosurgery	Rank 608
32	12,261	GV Glaveanu, Vlad	Dublin City University	Social Psychology	Rank 251
33	13,019	CD Collings, David G.	Trinity College Dublin	Business & Management	Rank 397
34	13,242	OD O'Mahony, Denis	University College Cork	Geriatrics	Rank 25
35	13,441	WK Wolfe, Kenneth H.	University College Dublin	Developmental Biology	Rank 371
36	13,861	BF Boukid, Fatma	ClonBio Group Ltd	Food Science	Rank 101
37	13,955	LB Leonard, Brian E.	University of Galway	Psychiatry	Rank 295
38	14,130	CB Caulfield, Brian	University College Dublin	Biomedical Engineering	Rank 53
39	14,220	LM Lynch, Marina A.	Trinity College Dublin	Neurology & Neurosurgery	Rank 733
40	14,510	MW McNicholas, Walter T.	University College Dublin	Respiratory System	Rank 84
41	14,904	LP Lens, Piet N.L.	University of Galway	Biotechnology	Rank 46
42	15,025	FP Fox, P. F.	University College Cork	Dairy & Animal Science	Rank 18
43	15,132	BC Brunsdon, Chris	Maynooth University	Geological & Geomatics Engineering	Rank 148
44	15,511	CJ Colinge, J. P.	Tyndall National Institute	Applied Physics	Rank 305
45	15,857	BD Berry, D. P.	Teagasc - Irish Agriculture and Food Development Authority	Dairy & Animal Science	Rank 21
46	15,868	RL Rezzolla, Luciano	Trinity College Dublin	Nuclear & Particle Physics	Rank 175
47	15,966	GD Granato, Daniel	University of Limerick	Food Science	Rank 121
48	16,082	OM O’Donnell, Martin	University of Galway	General & Internal Medicine	Rank 248
49	16,103	CG Clarke, Gerard	University College Cork	Neurology & Neurosurgery	Rank 823
50	16,429	DM Dowling, Michael	DCU Business School	Finance	Rank 82
51	16,472	SC Stanton, Catherine	Moorepark Food Research Centre	Microbiology	Rank 328
52	16,480	NV Nicolosi, Valeria	Trinity College Dublin	Nanoscience & Nanotechnology	Rank 523
53	16,668	ZM Zaworotko, Michael J.	University of Limerick	Organic Chemistry	Rank 196
54	16,909	PM Pagell, Mark	University College Dublin	Business & Management	Rank 491
55	17,174	CC Cunningham, Colm	Trinity College Dublin	Neurology & Neurosurgery	Rank 862
56	17,181	AE Arendt, Elke K.	APC Microbiome Ireland	Food Science	Rank 131
57	17,519	MP McSweeney, Paul L.H.	University College Cork	Dairy & Animal Science	Rank 25
58	17,525	KK Kumar, K. Vasanth	University of Limerick	Chemical Engineering	Rank 106
59	17,725	RY Roos, Yrjö H.	University College Cork	Food Science	Rank 141
60	17,793	TD Tobin, Desmond J.	University College Dublin	Dermatology & Venereal Diseases	Rank 53
61	17,956	LJ Luong, John H.T.	University College Cork	Analytical Chemistry	Rank 77
62	18,062	RI Robertson, Ian H.	Trinity College Dublin	Experimental Psychology	Rank 288
63	18,139	DJ Danaher, John	University of Galway	Applied Ethics	Rank 13
64	18,153	PM Popovic, Maja	Dublin City University	Artificial Intelligence & Image Processing	Rank 772
65	18,336	HM Hayes, Maria	Moorepark Food Research Centre	Food Science	Rank 149
66	18,533	ZC Zhang, Chaosheng	University of Galway	Environmental Sciences	Rank 350
67	18,540	CS Corbet, Shaen	DCU Business School	Finance	Rank 95
68	18,802	FR FitzGerald, Richard J.	University of Limerick	Food Science	Rank 158
69	18,846	BS Bhattacharjee, Sourav	University College Dublin	Toxicology	Rank 67
70	19,042	CA Carr, Alan	University College Dublin	Family Studies	Rank 5
71	19,294	SM Senge, Mathias O.	Trinity College Dublin	Organic Chemistry	Rank 231
72	19,479	BK Browne, Kath	University College Dublin	Geography	Rank 97
73	19,632	FD Flitcroft, Daniel Ian	Children's Health Ireland at Temple Street	Ophthalmology & Optometry	Rank 65
74	19,833	MS McCabe, Scott	University of Birmingham	Sport, Leisure & Tourism	Rank 102
75	19,869	CK Conboy, Kieran	University of Galway	Information Systems	Rank 80
76	20,631	DK Dawson, Kenneth A.	University College Dublin	Nanoscience & Nanotechnology	Rank 653
77	20,967	BR Byrne, Robert A.	Royal College of Surgeons in Ireland	Cardiovascular System & Hematology	Rank 645
78	21,012	KJ Kerry, Joseph P.	University College Cork	Food Science	Rank 180
79	21,132	MS Martin, Seamus J.	Trinity College Dublin	Biochemistry & Molecular Biology	Rank 382
80	21,274	OD O’Regan, Donal	University of Galway	General Mathematics	Rank 91
81	21,283	MH Moulin, Hervé	University of Glasgow	Economic Theory	Rank 3
82	21,370	CM Collins, Maurice N.	University of Limerick	Polymers	Rank 159
83	21,445	MS More, Simon John	University College Dublin	Veterinary Sciences	Rank 10
84	21,512	JA Jaiswal, Amit K.	Technological University Dublin	Food Science	Rank 185
85	21,924	MI Martin-Loeches, Ignacio	St James's Hospital	Emergency & Critical Care Medicine	Rank 76
86	21,935	NM Nolan, Michael	Tyndall National Institute	Chemical Physics	Rank 343
87	22,276	BL Briand, Lionel	University of Limerick	Software Engineering	Rank 29
88	22,543	MS Maruna, Shadd	Queen's University Belfast	Criminology	Rank 41
89	22,562	CF Cugurullo, Federico	Trinity College Dublin	Urban & Regional Planning	Rank 72
90	22,633	SA Soroudi, Alireza	University College Dublin	Energy	Rank 558
91	22,729	PQ Pham, Quoc Viet	Trinity College Dublin	Networking & Telecommunications	Rank 214
92	22,981	KR Kenny, Rose Anne	Trinity College Dublin	Geriatrics	Rank 37
93	23,050	GS Ghosh, Subrata	University College Cork	Gastroenterology & Hepatology	Rank 271
94	23,101	LP Lonergan, Patrick	University College Dublin	Dairy & Animal Science	Rank 35
95	23,922	PS Pillai, Suresh C.	Atlantic Technological University	Physical Chemistry	Rank 93
96	24,851	RJ Rusling, James F.	University of Galway	Analytical Chemistry	Rank 113
97	24,956	WR Whelan, Robert	Trinity College Dublin	Neurology & Neurosurgery	Rank 1,211
98	25,201	KW Kolch, Walter	University College Dublin	Biochemistry & Molecular Biology	Rank 446
99	25,258	RN Rowan, Neil J.	Technological University of the Shannon: Midlands Midwest (TUS)	Environmental Sciences	Rank 486
100	25,273	KP Kearney, Patricia	University College Cork	General & Internal Medicine	Rank 370
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You are seeing the first 100. 741 more are on the 2024 single-year list.

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Every year since 2020Single Year and Career Data.

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Countries with a similar count

Single-year list2024

South Africa901 scientistsin 2024

Portugal889 scientistsin 2024

Pakistan842 scientistsin 2024

Malaysia769 scientistsin 2024

United Arab Emirates530 scientistsin 2024

Czech Republic500 scientistsin 2024

Explore other countries

Single-year list2024

United Kingdom17,554 scientistsin 2024

Sweden2,644 scientistsin 2024

Denmark2,013 scientistsin 2024

Norway1,250 scientistsin 2024

Finland1,179 scientistsin 2024

Estonia83 scientistsin 2024

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Frequently asked questions

How many scientists from Ireland are in the 2024 Stanford Top 2% list?

841 scientists affiliated with Ireland are on the 2024 single-year list, and 836 are on the career-long list.

Which institute in Ireland has the most Top 2% scientists?

On the 2024 single-year list, University College Dublin has the most listed scientists from Ireland, with 178. It is followed by Trinity College Dublin with 146.

How has the number of Top 2% scientists in Ireland changed since 2020?

On the single-year list, Ireland went from 586 scientists in 2020 to 841 in 2024, a change of +43.5%.

What is the difference between the single-year and career-long lists?

The single-year list ranks scientists on the citations their work received in one year. The career-long list ranks them on citations across their whole career. Both lists are published every year, and a scientist can be on one, both or neither.

What is the official source of this data?

The rankings come from the science-wide author databases of standardized citation indicators published by Ioannidis et al. in the Elsevier Data Repository, updated every year. TOPSCINET, an independent platform, organises that data by country, year, institute and field, so you can compare and explore it.