Ireland's Top 2% Scientists 2022

Ireland has 758 scientists on the 2022 single-year Top 2% list, up 6.8% from 710 in 2021. That places Ireland 35th in the world by number of listed scientists, down 1 place. University College Dublin has the most listed scientists (128), followed by Trinity College Dublin (120).

Single Year

758

+48 (+6.8%) vs 2021

Career Data

721

+60 (+9.1%) vs 2021

World rank by count

#35

down 1 place vs 2021

Institutes

100

+20 (+25.0%) vs 2021

Scientists in Ireland on the list, by year

The single-year count has grown 29% 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 list2022

Show the list

All 758 scientists

Single-year list2022

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	105	GF Geels, Frank W.	Alliance Manchester Business School	Science Studies	Rank 1
2	202	OL O'Neill, Luke A.J.	Trinity College Dublin	Immunology	Rank 9
3	574	CJ Coleman, Jonathan N.	Trinity College Dublin	Nanoscience & Nanotechnology	Rank 24
4	773	CJ Cryan, John F.	APC Microbiome Ireland	Neurology & Neurosurgery	Rank 62
5	802	CJ Coey, J. M.D.	Trinity College Dublin	Applied Physics	Rank 24
6	942	KR Kitchin, Rob	Maynooth University	Geography	Rank 2
7	1,447	DT Dinan, Timothy G.	APC Microbiome Ireland	Psychiatry	Rank 34
8	1,615	OF O'Brien, Fergal J.	Trinity College Dublin	Biomedical Engineering	Rank 7
9	1,750	BG BIESTA, Gert	Maynooth University	Education	Rank 12
10	1,924	HC Hill, Colin	APC Microbiome Ireland	Microbiology	Rank 34
11	2,576	TB Tiwari, Brijesh	Moorepark Food Research Centre	Food Science	Rank 15
12	3,311	SP Serruys, Patrick W.	University of Galway	Cardiovascular System & Hematology	Rank 106
13	3,471	DM Duffy, Michael J.	St Vincent's University Hospital	Oncology & Carcinogenesis	Rank 118
14	3,502	CH Curran, Henry J.	University of Galway	Energy	Rank 70
15	4,155	CP Cotter, Paul	Moorepark Food Research Centre	Microbiology	Rank 81
16	4,262	WJ Walter, Jens	APC Microbiome Ireland	Microbiology	Rank 86
17	4,659	SF Shanahan, F.	APC Microbiome Ireland	Gastroenterology & Hepatology	Rank 62
18	5,219	PN Pidgeon, Nick	College of Biomedical and Life Sciences	Environmental Sciences	Rank 53
19	5,519	SS Sanvito, Stefano	Trinity College Dublin	Applied Physics	Rank 121
20	6,946	VM van Mechelen, Willem	University College Dublin	Sport Sciences	Rank 23
21	8,494	MF Milano, Federico	University College Dublin	Energy	Rank 159
22	8,878	BR Bentall, Richard	The University of Sheffield	Psychiatry	Rank 207
23	9,392	MS Martin, Seamus J.	Trinity College Dublin	Biochemistry & Molecular Biology	Rank 223
24	9,697	TD Taylor, David	Trinity College Dublin	Mechanical Engineering & Transports	Rank 93
25	9,776	OP O'Toole, P. W.	APC Microbiome Ireland	Microbiology	Rank 211
26	9,950	WK Wolfe, Kenneth H.	UCD School of Medicine	Developmental Biology	Rank 354
27	10,115	MK Mills, Kingston H.G.	Trinity College Dublin	Immunology	Rank 296
28	10,123	NP Nigam, Poonam S.	Ulster University	Biotechnology	Rank 28
29	10,228	DR Donnelly, Ryan F.	Queen's University Belfast	Pharmacology & Pharmacy	Rank 48
30	10,683	RR Ross, R. Paul	APC Microbiome Ireland	Microbiology	Rank 244
31	10,695	HO Hardiman, O.	Trinity College Dublin	Neurology & Neurosurgery	Rank 664
32	10,906	CI Coyne, Imelda	Trinity College Dublin	Nursing	Rank 13
33	11,094	HD Higgins, Desmond G.	UCD School of Medicine	Bioinformatics	Rank 44
34	11,272	CK Cashman, Kevin D.	University College Cork	Nutrition & Dietetics	Rank 78
35	11,329	LB Leonard, Brian E.	University of Galway	Psychiatry	Rank 259
36	11,567	Singh, Sanjay Kumar	Maynooth University School of Business	Business & Management	Rank 268
37	11,708	ZM Zaworotko, Michael	University of Limerick	Organic Chemistry	Rank 161
38	12,661	CG Clarke, Gerard	University College Cork	Neurology & Neurosurgery	Rank 773
39	12,731	OL O'Driscoll, Lorraine	Trinity College Dublin	Oncology & Carcinogenesis	Rank 478
40	12,914	RI Robertson, Ian H.	Trinity College Dublin	Experimental Psychology	Rank 210
41	13,053	BC Brunsdon, Chris	Maynooth University	Geological & Geomatics Engineering	Rank 100
42	13,127	JR Johnson, Rory	University College Dublin	Developmental Biology	Rank 450
43	13,178	MW McNicholas, Walter T.	St Vincent's University Hospital	Respiratory System	Rank 90
44	13,446	TC Taylor, Cormac T.	UCD School of Medicine	Biochemistry & Molecular Biology	Rank 335
45	13,579	KW Kolch, Walter	University College Dublin	Biochemistry & Molecular Biology	Rank 340
46	13,688	WJ Willis, J. R.	Centre for Mathematical Sciences	Mechanical Engineering & Transports	Rank 122
47	14,116	LM Lynch, Marina A.	Trinity College Dublin	Neurology & Neurosurgery	Rank 859
48	14,178	EH Eysenck, H. J.	King's College London	Social Psychology	Rank 259
49	14,376	CC Cunningham, Colm	Trinity College Dublin	Neurology & Neurosurgery	Rank 869
50	14,434	OM O’Donnell, Martin J.	University of Galway	General & Internal Medicine	Rank 229
51	14,593	RY Roos, Yrjö H.	University College Cork	Food Science	Rank 86
52	15,140	SC Stanton, Catherine	Moorepark Food Research Centre	Microbiology	Rank 358
53	15,709	CP Cloke, Paul	University of Exeter	Geography	Rank 74
54	16,305	OD O’Mahony, Denis	Cork University Hospital	Geriatrics	Rank 30
55	16,424	PM Pagell, Mark	University College Dublin	Business & Management	Rank 374
56	16,857	ZC Zhang, Chaosheng	University of Galway	Environmental Sciences	Rank 200
57	16,905	DK Dawson, Kenneth A.	University College Dublin	Nanoscience & Nanotechnology	Rank 464
58	17,168	LJ Luong, John H.T.	University College Cork	Analytical Chemistry	Rank 72
59	17,652	NV Nicolosi, Valeria	Trinity College Dublin	Nanoscience & Nanotechnology	Rank 489
60	17,807	OD O'Regan, Donal	University of Galway	General Mathematics	Rank 64
61	18,425	LP Lens, Piet N.L.	University of Galway	Biotechnology	Rank 48
62	18,640	GS Ghosh, Subrata	APC Microbiome Ireland	Gastroenterology & Hepatology	Rank 223
63	19,422	MP McSweeney, Paul L.H.	University College Cork	Dairy & Animal Science	Rank 29
64	19,437	LP Lane, Philip R.	Trinity College Dublin	Economics	Rank 281
65	19,593	TD Tobin, Desmond J.	University College Dublin	Dermatology & Venereal Diseases	Rank 55
66	19,960	SM Senge, Mathias O.	Trinity College Dublin	Organic Chemistry	Rank 274
67	20,161	OP O'Brien, Peter J.	University College Dublin	Biochemistry & Molecular Biology	Rank 494
68	20,502	NM Nolan, Michael	Tyndall National Institute	Chemical Physics	Rank 348
69	20,754	SA Soroudi, Alireza	University College Dublin	Energy	Rank 412
70	21,447	BD Berry, Donagh P.	Moorepark Animal & Grassland Research Centre	Dairy & Animal Science	Rank 33
71	21,541	GD Granato, Daniel	University of Limerick	Food Science	Rank 133
72	21,711	AE Arendt, Elke K.	University College Cork	Food Science	Rank 135
73	22,094	WW Wijns, William	University of Galway	Cardiovascular System & Hematology	Rank 706
74	22,262	FR FitzGerald, Richard J.	University of Limerick	Food Science	Rank 139
75	22,296	MS More, Simon J.	University College Dublin	Veterinary Sciences	Rank 16
76	22,812	KJ Kerry, Joseph P.	University College Cork	Food Science	Rank 145
77	23,028	LR Le Roux, Carel	University College Dublin	Endocrinology & Metabolism	Rank 434
78	23,258	OC O'Dowd, Colin	University of Galway	Meteorology & Atmospheric Sciences	Rank 426
79	23,701	FP Fallon, Padraic G.	School of Medicine, Trinity College Dublin	Immunology	Rank 635
80	24,121	OE O'Brien, Eoin	University College Dublin	Cardiovascular System & Hematology	Rank 772
81	24,145	LP Lonergan, Patrick	University College Dublin	Obstetrics & Reproductive Medicine	Rank 122
82	24,176	OS Ormerod, S. J.	Cardiff University	Marine Biology & Hydrobiology	Rank 145
83	24,288	SF Sheedy, Frederick J.	Trinity College Dublin	Immunology	Rank 652
84	24,835	KR Kenny, Rose Anne	Trinity College Dublin	Geriatrics	Rank 50
85	25,590	LB Lucey, Brian M.	Trinity Business School	Finance	Rank 89
86	25,637	WG Walsh, Gary	University of Limerick	Biotechnology	Rank 81
87	25,675	CD Collings, David G.	DCU Business School	Business & Management	Rank 542
88	26,167	BF Barry, Frank	University of Galway	Biomedical Engineering	Rank 121
89	26,339	DG Dickens, Gerald R.	Trinity College Dublin	Geochemistry & Geophysics	Rank 451
90	26,381	KB Kholodenko, Boris N.	University College Dublin	Biochemistry & Molecular Biology	Rank 634
91	26,666	BR Byrne, Robert A.	Royal College of Surgeons in Ireland	Cardiovascular System & Hematology	Rank 841
92	26,675	KG Killeen, Gerry F.	University College Cork	Tropical Medicine	Rank 30
93	26,793	CR Conroy, Ronán M.	Royal College of Surgeons in Ireland	General & Internal Medicine	Rank 394
94	26,952	WG Walker, Gavin	University of Limerick	Chemical Engineering	Rank 150
95	27,176	WR Whelan, Robert	Trinity College Dublin	Neurology & Neurosurgery	Rank 1,576
96	27,745	BL Brennan, Lorraine	University College Dublin	Nutrition & Dietetics	Rank 195
97	28,486	DS de Silva, A. Prasanna	Queen's University Belfast	Organic Chemistry	Rank 402
98	28,934	BA Bowie, Andrew G.	Trinity College Dublin	Immunology	Rank 786
99	28,959	GM Gibney, Mike	University College Dublin	Nutrition & Dietetics	Rank 206
100	29,790	VD Veale, Douglas	St Vincent's University Hospital	Arthritis & Rheumatology	Rank 200
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You are seeing the first 100. 658 more are on the 2022 single-year list.

Ranks 101 to 758The whole list, not only the top 100.

Every year since 2020Single Year and Career Data.

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Countries with a similar count

Single-year list2022

Greece885 scientistsin 2022

South Africa803 scientistsin 2022

Portugal770 scientistsin 2022

Egypt678 scientistsin 2022

Malaysia622 scientistsin 2022

Pakistan509 scientistsin 2022

Explore other countries

Single-year list2022

United Kingdom16,445 scientistsin 2022

Sweden2,472 scientistsin 2022

Denmark1,890 scientistsin 2022

Norway1,189 scientistsin 2022

Finland1,063 scientistsin 2022

Estonia80 scientistsin 2022

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Frequently asked questions

How many scientists from Ireland are in the 2022 Stanford Top 2% list?

758 scientists affiliated with Ireland are on the 2022 single-year list, and 721 are on the career-long list.

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

On the 2022 single-year list, University College Dublin has the most listed scientists from Ireland, with 128. It is followed by Trinity College Dublin with 120.

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 758 in 2022, a change of +29.4%.

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.