Switzerland's Top 2% Scientists 2025

Switzerland has 3,549 scientists on the 2025 single-year Top 2% list, up 4.3% from 3,404 in 2024. That places Switzerland 14th in the world by number of listed scientists. ETH Zürich has the most listed scientists (545), followed by Universität Zürich (305).

Single Year

3,549

+145 (+4.3%) vs 2024

Career Data

3,659

+228 (+6.6%) vs 2024

World rank by count

#14

No change vs 2024

Institutes

457

+119 (+35.2%) vs 2024

Scientists in Switzerland on the list, by year

The single-year count has grown 35% since 2020.

Single-year list, change on the previous year

2021+15.0%

2022+7.2%

2023+2.4%

2024+2.8%

2025+4.3%

Show the numbers

Year	Single Year	Change	Career Data	Change
2020	2,622		2,546
2021	3,016	+15.0%	2,974	+16.8%
2022	3,233	+7.2%	3,141	+5.6%
2023	3,311	+2.4%	3,261	+3.8%
2024	3,404	+2.8%	3,431	+5.2%
2025	3,549	+4.3%	3,659	+6.6%

Top 10 institutes in Switzerland

By number of listed scientists

Single-year list2025

Show the list

1ETH Zürich545
2Universität Zürich305
3École Polytechnique Fédérale de Lausanne262
4Université de Genève169
5University of Bern169
6Universität Basel159
7Organisation Mondiale de la Santé112
8Université de Lausanne (UNIL)102
9Centre Hospitalier Universitaire Vaudois98
10University Hospital Bern86

All 3,549 scientists

Single-year list2025

The first 100 are free to browse.

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Rank in Switzerland	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	35	GM Grätzel, Michael	École Polytechnique Fédérale de Lausanne	Nanoscience & Nanotechnology	Rank 3
2	71	HD Hanahan, Douglas A.	Schweizerisches Institut für Experimentelle Krebsforschung	Oncology & Carcinogenesis	Rank 2
3	145	SK Scrivener, Karen Louise	École Polytechnique Fédérale de Lausanne	Building & Construction	Rank 2
4	173	PJ Provis, John Lloyd	Paul Scherrer Institut	Building & Construction	Rank 3
5	291	JJ Jonas, Jost Bruno	Institute of Molecular and Clinical Ophthalmology Basel	Ophthalmology & Optometry	Rank 1
6	407	SM Siegrist, Michael	ETH Zürich	Food Science	Rank 4
7	408	KC Kor̈ner, Christian	Universität Basel	Ecology	Rank 9
8	655	Bibri, Simon Elias	École Polytechnique Fédérale de Lausanne	Artificial Intelligence & Image Processing	Rank 44
9	723	AC Akdiş, Cezmi A. A.	Universität Zürich	Allergy	Rank 1
10	758	HD Helbing, Dirk	ETH Zürich	Fluids & Plasmas	Rank 4
11	775	LB Lothenbach, Barbara	Empa - Swiss Federal Laboratories for Materials Science and Technology	Building & Construction	Rank 9
12	980	VG Von Gunten, Urs	Eawag - Swiss Federal Institute of Aquatic Science and Technology	Environmental Engineering	Rank 4
13	1,076	DB Delley, Bernard T.	Paul Scherrer Institut	Applied Physics	Rank 26
14	1,096	GN Gisin, Nicolas	Université de Genève	General Physics	Rank 10
15	1,103	SN Spaldin, Nicola A.	ETH Zürich	Applied Physics	Rank 28
16	1,124	SG Salanti, Georgia	Institute of Social and Preventive Medicine	General & Internal Medicine	Rank 30
17	1,160	WM Weller, Michael	Universitätsspital Zürich, Klinik für Neurologie	Oncology & Carcinogenesis	Rank 19
18	1,164	CC Camerer, Colin F.	Swiss Data Science Center	Economics	Rank 31
19	1,292	FE Fehr, Ernst	Universität Zürich	Economics	Rank 34
20	1,295	MS McLennan, Scott M.	ETH Zürich	Geochemistry & Geophysics	Rank 9
21	1,353	HE Hargittai, Eszter	Universität Zürich	Communication & Media Studies	Rank 4
22	1,407	VD van der Heijden, Marcel G.A.	Universität Zürich	Agronomy & Agriculture	Rank 9
23	1,421	SD Scaramuzza, Davide	Universität Zürich	Industrial Engineering & Automation	Rank 11
24	1,456	SS Seneviratne, Sonia I.	Institut für Atmosphäre und Klima	Meteorology & Atmospheric Sciences	Rank 17
25	1,679	SC Szabo, Csaba	University of Fribourg	Pharmacology & Pharmacy	Rank 11
26	1,737	GN Gruber, Nicolas	ETH Zürich	Meteorology & Atmospheric Sciences	Rank 23
27	1,816	SJ Six, Johan W.	ETH Zürich	Agronomy & Agriculture	Rank 12
28	1,823	BP Bûhlmann, Peter	ETH Zürich	Statistics & Probability	Rank 25
29	1,865	KM Kovalenko, Maksym V.	Empa - Swiss Federal Laboratories for Materials Science and Technology	Nanoscience & Nanotechnology	Rank 66
30	1,939	BT Bieber, Thomas	Universitätsspital Zürich, Dermatologische Klinik	Dermatology & Venereal Diseases	Rank 3
31	1,943	ZA Züttel, Andreas	École Polytechnique Fédérale de Lausanne	Materials	Rank 37
32	1,973	BJ Bünzli, Jean Claude G.	École Polytechnique Fédérale de Lausanne	Inorganic & Nuclear Chemistry	Rank 4
33	2,034	NM Nazeeruddin, Mohammad Khaja	Institut des Sciences et Ingénierie Chimiques	Nanoscience & Nanotechnology	Rank 76
34	2,040	OK Oberauer, Klaus	Universität Zürich	Experimental Psychology	Rank 35
35	2,134	KR Knùtti, Reto	Institut für Atmosphäre und Klima	Meteorology & Atmospheric Sciences	Rank 29
36	2,148	PJ Pérez-Ramírez, Javier	NCCR Catalysis	Organic Chemistry	Rank 24
37	2,272	CP Clavien, Pierre Alain	UniversitatsSpital Zurich	Surgery	Rank 1
38	2,442	VE Von Elm, Erik B.	Centre Universitaire de Médecine Générale et Santé Publique, Lausanne	General & Internal Medicine	Rank 52
39	2,520	KJ Kolar, Johann Walter	ETH Zürich	Electrical & Electronic Engineering	Rank 6
40	2,717	SG Schneider, Gisbert	ETH Zürich	Medicinal & Biomolecular Chemistry	Rank 10
41	2,738	RR Rizzoli, René R.	Hôpitaux Universitaires de Genève	Endocrinology & Metabolism	Rank 45
42	2,775	KT Kippenberg, T. J.	École Polytechnique Fédérale de Lausanne	Optics	Rank 16
43	3,051	HX Hu, Xile	École Polytechnique Fédérale de Lausanne	Organic Chemistry	Rank 43
44	3,059	DO de Oniś, Mercedes	Organisation Mondiale de la Santé	Nutrition & Dietetics	Rank 11
45	3,178	KJ Kirchner, James W.	ETH Zürich	Environmental Engineering	Rank 14
46	3,222	DD Damjanovic, Dragan	École Polytechnique Fédérale de Lausanne	Applied Physics	Rank 83
47	3,242	CM Cesari, Matteo	Organisation Mondiale de la Santé	Geriatrics	Rank 5
48	3,326	LT Lüscher, Thomas Felix	UniversitatsSpital Zurich	Cardiovascular System & Hematology	Rank 90
49	3,373	FB Frey, Bruno S.	Universität Basel	Economics	Rank 79
50	3,412	SB Sudret, Bruno	ETH Zürich	Civil Engineering	Rank 12
51	3,418	SK Scherer, Klaus R.	Université de Genève	Social Psychology	Rank 103
52	3,437	MC Mathers, Colin Douglas	MM Global Health Consulting	General & Internal Medicine	Rank 75
53	3,445	MN Marzari, Nicola	Paul Scherrer Institut	Applied Physics	Rank 91
54	3,508	TW Tress, Wolfgang R.	ZHAW Zurich University of Applied Sciences	Nanoscience & Nanotechnology	Rank 136
55	3,510	PN Patrice, Nordmann L.	University of Fribourg	Microbiology	Rank 52
56	3,572	BJ Billieux, Joël	Université de Lausanne (UNIL)	Psychiatry	Rank 81
57	3,596	SA Studart, André R.	ETH Zürich	Materials	Rank 67
58	3,600	HA Hirschi, Andreas	University of Bern	Business & Management	Rank 111
59	3,610	BA Bairoch, Amos	SIB Swiss Institute of Bioinformatics	Developmental Biology	Rank 92
60	3,626	NB Nowack, Bernd	Empa - Swiss Federal Laboratories for Materials Science and Technology	Environmental Sciences	Rank 81
61	3,660	LM Lüscher, Martin	University of Bern	Nuclear & Particle Physics	Rank 40
62	3,680	BJ Bascompte, Jordi	Universität Zürich	Ecology	Rank 101
63	3,751	HG Habert, Guillaume	ETH Zürich	Building & Construction	Rank 33
64	3,789	MJ Markard, Jochen	ETH Zürich	Science Studies	Rank 10
65	3,791	RD Rubatto, Daniela	University of Bern	Geochemistry & Geophysics	Rank 48
66	3,850	LU Laemmli, Ulrich K.	Université de Genève	Developmental Biology	Rank 98
67	3,894	SA Sayed, Ali H.H.	École Polytechnique Fédérale de Lausanne	Networking & Telecommunications	Rank 45
68	3,942	MN Meinshausen, Nicolai F.	ETH Zürich	Statistics & Probability	Rank 34
69	4,037	WS Windecker, Stephan W.	University Hospital Bern	Cardiovascular System & Hematology	Rank 109
70	4,050	LN Lang, Niklaus Peter	University Hospital Bern	Dentistry	Rank 6
71	4,096	FR Flatt, Robert Johann	ETH Zürich	Building & Construction	Rank 37
72	4,167	NL Novotný, Lukas	ETH Zürich	Optics	Rank 21
73	4,191	UM Unser, Michael A.	École Polytechnique Fédérale de Lausanne	Artificial Intelligence & Image Processing	Rank 223
74	4,195	EL Excoffier, Laurent	University of Bern	Evolutionary Biology	Rank 29
75	4,274	OU Orth, Ulrich	University of Bern	Social Psychology	Rank 117
76	4,311	CW Curtin, W. A.	École Polytechnique Fédérale de Lausanne	Materials	Rank 79
77	4,361	SB Smit, Berend	École Polytechnique Fédérale de Lausanne	Chemical Physics	Rank 78
78	4,369	PL Piddock, Laura J.V.	Global Antibiotic Research and Development Partnership	Microbiology	Rank 62
79	4,495	WS Wagner, Stephan M.	ETH Zürich	Business & Management	Rank 146
80	4,549	JJ Joyce, Johanna A.	Swiss Cancer Center Léman	Oncology & Carcinogenesis	Rank 113
81	4,570	CS Claessens, Stijn	Bank for International Settlements	Economics	Rank 100
82	4,629	DF Dörfler, Florian	ETH Zürich	Industrial Engineering & Automation	Rank 54
83	4,643	HT Hothorn, Torsten	Universität Zürich	Statistics & Probability	Rank 36
84	4,657	RM Robinson, Mark D.	Universität Zürich	Developmental Biology	Rank 118
85	4,683	SK Sivula, Kevin	École Polytechnique Fédérale de Lausanne	Nanoscience & Nanotechnology	Rank 174
86	4,746	GT Gerya, Taras V.	ETH Zürich	Geochemistry & Geophysics	Rank 60
87	4,801	BM Burnier, Michel	Faculté de biologie et de médecine	Cardiovascular System & Hematology	Rank 129
88	4,807	SA Steinfeld, Aldo	ETH Zürich	Energy	Rank 129
89	4,838	WO Wenger, Oliver S.	Universität Basel	General Chemistry	Rank 20
90	4,850	RG Rogler, Gerhard	UniversitatsSpital Zurich	Gastroenterology & Hepatology	Rank 66
91	4,882	IA Ijspeert, A. J.	École Polytechnique Fédérale de Lausanne	Industrial Engineering & Automation	Rank 57
92	5,055	TJ Tschopp, Júrg	Université de Lausanne (UNIL)	Immunology	Rank 103
93	5,138	MH Markram, Henry	Blue Brain Project	Neurology & Neurosurgery	Rank 267
94	5,179	AR Aebersold, Ruedi H.	ETH Zürich	Biochemistry & Molecular Biology	Rank 84
95	5,269	VJ Vorholt, Julia A.	ETH Zürich	Microbiology	Rank 78
96	5,274	WS Wiemer, Stefan	ETH Zürich	Geochemistry & Geophysics	Rank 66
97	5,353	SF Sallusto, Federica	ETH Zürich	Immunology	Rank 112
98	5,494	JM Jaggi, Martin	EPFL	Artificial Intelligence & Image Processing	Rank 286
99	5,540	GA Guisan, Antoine A.	Université de Lausanne (UNIL)	Ecology	Rank 146
100	5,641	ML Mondada, Lorenza	Universität Basel	Languages & Linguistics	Rank 34
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Every year since 2020Single Year and Career Data.

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Countries with a similar count

Single-year list2025

Netherlands4,727 scientists

Spain4,267 scientists

South Korea3,695 scientists

Sweden2,666 scientists

Iran2,534 scientists

Belgium2,124 scientists

Explore other countries

Single-year list2025

Germany10,666 scientists

France5,886 scientists

Austria1,433 scientists

Luxembourg90 scientists

United Kingdom18,125 scientists

Italy7,991 scientists

All countries on the world map

Frequently asked questions

How many scientists from Switzerland are in the 2025 Stanford Top 2% list?

3,549 scientists affiliated with Switzerland are on the 2025 single-year list, and 3,659 are on the career-long list.

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

On the 2025 single-year list, ETH Zürich has the most listed scientists from Switzerland, with 545. It is followed by Universität Zürich with 305.

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

On the single-year list, Switzerland went from 2,622 scientists in 2020 to 3,549 in 2025, a change of +35.4%.

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.