United States' Top 2% Scientists 2025

The United States has 73,020 scientists on the 2025 single-year Top 2% list, up 2.2% from 71,460 in 2024. That places the United States 1st in the world by number of listed scientists. Harvard Medical School has the most listed scientists (1,184), followed by College of Engineering (801).

Single Year

73,020

+1,560 (+2.2%) vs 2024

Career Data

87,861

+3,652 (+4.3%) vs 2024

World rank by count

No change vs 2024

Institutes

7,108

+1,517 (+27.1%) vs 2024

Scientists in the United States on the list, by year

The single-year count has grown 22% since 2020.

Single-year list, change on the previous year

2021+10.8%

2022+3.5%

2023+1.2%

2024+3.0%

2025+2.2%

Show the numbers

Year	Single Year	Change	Career Data	Change
2020	59,785		68,018
2021	66,247	+10.8%	75,908	+11.6%
2022	68,565	+3.5%	78,907	+4.0%
2023	69,386	+1.2%	81,159	+2.9%
2024	71,460	+3.0%	84,209	+3.8%
2025	73,020	+2.2%	87,861	+4.3%

Top 10 institutes in the United States

By number of listed scientists

Single-year list2025

Show the list

1Harvard Medical School1,184
2College of Engineering801
3Stanford University719
4University of Michigan, Ann Arbor715
5University of Washington638
6Mayo Clinic627
7University of California, Berkeley597
8University of California, Los Angeles557
9Massachusetts Institute of Technology556
10Johns Hopkins University School of Medicine490

All 73,020 scientists

Single-year list2025

The first 100 are free to browse.

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Rank in the United States	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	4	Bandura, Albert	Stanford University	Social Psychology	Rank 1
2	6	GR Girshick, Ross	Meta FAIR	Artificial Intelligence & Image Processing	Rank 2
3	8	AI Ajzen, Icek	University of Massachusetts Amherst	Social Psychology	Rank 2
4	9	PJ Perdew, John P.	Tulane University School of Science and Engineering	Applied Physics	Rank 2
5	13	MD McClements, David Julian	University of Massachusetts Amherst	Food Science	Rank 1
6	15	BL Breiman, Leo	University of California, Berkeley	Statistics & Probability	Rank 1
7	16	LR Lal, Rattan A.	The Ohio State University	Agronomy & Agriculture	Rank 1
8	17	TR Tibshirani, Robert	Stanford University	Statistics & Probability	Rank 2
9	19	GJ Gross, James J.	Stanford University	Experimental Psychology	Rank 1
10	21	GY Gogotsi, Yury	Drexel University	Nanoscience & Nanotechnology	Rank 2
11	23	IJ Ioannidis, John P.A.	Stanford University School of Medicine	General & Internal Medicine	Rank 4
12	24	NM Newman, Mark E.J.	University of Michigan, Ann Arbor	Fluids & Plasmas	Rank 1
13	25	DE Diener, Edward F.	The University of Utah	Social Psychology	Rank 4
14	26	KR Kessler, Ronald C.	Harvard Medical School	Psychiatry	Rank 1
15	27	TD Teece, David J.	Haas School of Business	Business & Management	Rank 1
16	28	ZL Zadeh, Lotfi A.	University of California, Berkeley	Artificial Intelligence & Image Processing	Rank 5
17	31	WE Witten, Edward	Institute for Advanced Study	Nuclear & Particle Physics	Rank 1
18	33	LP Libby, Peter A.	Harvard Medical School	Cardiovascular System & Hematology	Rank 1
19	34	Acemoglu, Daron	Massachusetts Institute of Technology	Economics	Rank 1
20	37	GJ Goodenough, John B.	Texas Materials Institute	Applied Physics	Rank 3
21	38	MA Manthiram, Arumugam	Cockrell School of Engineering	Nanoscience & Nanotechnology	Rank 4
22	40	MC Murray, Christopher J.L.	Institute for Health Metrics and Evaluation	General & Internal Medicine	Rank 5
23	41	RD Rubin, Donald B.	Harvard University	Statistics & Probability	Rank 3
24	43	VV Venkatesh, Viswanath	Virginia Tech, Pamplin College of Business	Information Systems	Rank 1
25	45	OE Ostrom, Elinor	Indiana University Bloomington	Political Science & Public Administration	Rank 1
26	50	Stockwell, Brent R.	Columbia University	Developmental Biology	Rank 2
27	51	HF Hu, Frank B.	Harvard T.H. Chan School of Public Health	Endocrinology & Metabolism	Rank 1
28	52	SG Semenza, Gregg L.	Johns Hopkins University School of Medicine	Biochemistry & Molecular Biology	Rank 1
29	53	MB McEwen, Bruce S.	Rockefeller University	Neurology & Neurosurgery	Rank 2
30	55	Yaghi, Omar M.	University of California, Berkeley	General Chemistry	Rank 1
31	58	TD Tilman, David G.	University of Minnesota Twin Cities	Ecology	Rank 1
32	59	WW Willett, Walter Churchill	Harvard T.H. Chan School of Public Health	Epidemiology	Rank 1
33	60	FJ Friedman, Jerome H.	Stanford University	Statistics & Probability	Rank 4
34	63	FB Fredrickson, Barbara L.	College of Arts & Sciences	Social Psychology	Rank 6
35	64	HJ Hair, Joseph Franklin	Mitchell College of Business	Marketing	Rank 1
36	65	PJ Phillips-Cremins, Jennifer E.	University of Pennsylvania	Neurology & Neurosurgery	Rank 3
37	66	VT VanDerWeele, Tyler J.	Harvard T.H. Chan School of Public Health	Epidemiology	Rank 2
38	69	KR Kalluri, Raghu K.	The University of Texas MD Anderson Cancer Center	Oncology & Carcinogenesis	Rank 1
39	70	ER Edgar, Robert C.	Independent Scientist	Bioinformatics	Rank 2
40	72	BJ Barney, Jay Bryan	The University of Utah	Business & Management	Rank 3
41	74	WG Whitesides, G. M.	Harvard Faculty of Arts and Sciences	General Chemistry	Rank 2
42	77	CY Cui, Yi	Stanford Engineering	Nanoscience & Nanotechnology	Rank 6
43	80	CJ Cohen, Jacob	New York University	Psychiatry	Rank 2
44	81	YZ Younossi, Zobair M.	The Global NASH Council	Gastroenterology & Hepatology	Rank 1
45	82	BD Bartel, David P.	Massachusetts Institute of Technology	Developmental Biology	Rank 4
46	83	GA Gelman, Andrew E.	Columbia University	Statistics & Probability	Rank 5
47	84	LY Lecun, Yann Le	New York University	Artificial Intelligence & Image Processing	Rank 7
48	85	MR Mayer, Richard E.	University of California, Santa Barbara	Education	Rank 1
49	86	CJ Cummings, Jeffrey L.	Cleveland Clinic Lerner College of Medicine of Case Western Reserve University	Neurology & Neurosurgery	Rank 5
50	89	HK He, Kaiming	Massachusetts Institute of Technology	Artificial Intelligence & Image Processing	Rank 8
51	90	DK Deb, Kalyanmoy	College of Engineering	Artificial Intelligence & Image Processing	Rank 9
52	93	FL Floridi, Luciano	Yale University	Philosophy	Rank 1
53	95	WJ Wang, Joseph	University of California, San Diego	Analytical Chemistry	Rank 1
54	98	MR Mittler, Ron	University of Missouri School of Medicine	Plant Biology & Botany	Rank 2
55	99	BM Barsoum, Michel W.	Drexel University College of Engineering	Materials	Rank 1
56	100	LR Langer, Robert Samuel M.	Massachusetts Institute of Technology	Biomedical Engineering	Rank 1
57	101	JR Jain, Rakesh K.	Massachusetts General Hospital	Oncology & Carcinogenesis	Rank 4
58	102	FN Fierer, Noah G.	University of Colorado Boulder	Microbiology	Rank 1
59	104	BA Barabási, Albert Lásló	Northeastern University	Fluids & Plasmas	Rank 2
60	105	SC Shannon, Claude E.	MIT Department of Electrical Engineering and Computer Science	Networking & Telecommunications	Rank 1
61	108	KD Kahneman, Daniel	Princeton School of Public and International Affairs	Experimental Psychology	Rank 2
62	109	DF Davis, Fred D.D.	Texas Tech University	Information Systems	Rank 2
63	111	WD Williams, David Rudyard	Harvard T.H. Chan School of Public Health	Public Health	Rank 1
64	112	BP Bentler, Peter M.	University of California, Los Angeles	Social Sciences Methods	Rank 1
65	115	RP Reich, Peter B.	University of Michigan, Ann Arbor	Ecology	Rank 3
66	121	PM Porter, Michael E.	Harvard Business School	Business & Management	Rank 5
67	122	MR Medzhitov, Ruslan M.	Yale School of Medicine	Immunology	Rank 2
68	124	JM Jordan, Michael I.	University of California, Berkeley	Artificial Intelligence & Image Processing	Rank 12
69	128	ZS Zahra, Shaker A.	Carlson School of Management	Business & Management	Rank 6
70	129	BG Buzsáki, Gÿorgy	New York University	Neurology & Neurosurgery	Rank 6
71	131	KE Koonin, Eugene V.	National Center for Biotechnology Information (NCBI)	Developmental Biology	Rank 5
72	132	MJ Morris, John C.	Washington University School of Medicine in St. Louis	Neurology & Neurosurgery	Rank 7
73	136	KK Kroenke, Kurt K.	Indiana University-Purdue University Indianapolis	General & Internal Medicine	Rank 7
74	137	PM Packer, Milton	Baylor Jack and Jane Hamilton Heart and Vascular Hospital	Cardiovascular System & Hematology	Rank 4
75	141	SJ Sarkis, Joseph	Worcester Polytechnic Institute	Business & Management	Rank 7
76	142	HM Hernán, Miguel A.	Harvard T.H. Chan School of Public Health	Epidemiology	Rank 3
77	143	FB Fischl, Bruce R.	MIT Computer Science & Artificial Intelligence Laboratory	Neurology & Neurosurgery	Rank 8
78	147	FB Feldman Barrett, Lisa Feldman	Harvard Medical School	Experimental Psychology	Rank 3
79	149	DD Donoho, David L.	Stanford University	Networking & Telecommunications	Rank 2
80	150	TE Topol, Eric J.	Scripps Research Institute	Cardiovascular System & Hematology	Rank 5
81	151	YR Yager, Ronald R.	Machine Intelligence Institute	Artificial Intelligence & Image Processing	Rank 14
82	153	MD Mozaffarian, Dariush	Tufts University	Cardiovascular System & Hematology	Rank 6
83	155	RR Ritchie, Robert O.	Department of Materials Science and Engineering	Materials	Rank 4
84	157	KM Karin, Michael J.	UC San Diego School of Medicine	Developmental Biology	Rank 7
85	159	SA Shleifer, Andrei	Harvard University	Economics	Rank 2
86	171	MM Mattson, Mark P.	Johns Hopkins University School of Medicine	Neurology & Neurosurgery	Rank 9
87	175	DC Dinarello, Charles C. A.	University of Colorado Cancer Center	Immunology	Rank 3
88	176	CE Candés, Emmanuel J.	Stanford University	Statistics & Probability	Rank 6
89	180	JA Jain, Anil K.	College of Engineering	Artificial Intelligence & Image Processing	Rank 15
90	184	HS Hobfoll, Stevan E.	Anxiety	Psychiatry	Rank 4
91	192	BA Beck, Aaron T.	Beck Institute	Clinical Psychology	Rank 1
92	193	VN Volkow, N. D.	National Institute on Alcohol Abuse and Alcoholism (NIAAA)	Neurology & Neurosurgery	Rank 10
93	194	GD Green, Douglas R.	St. Jude Children's Research Hospital	Immunology	Rank 4
94	197	BR Bagozzi, Richard P.	University of Michigan, Ann Arbor	Marketing	Rank 6
95	198	KN Kock, Ned Florencio	Texas AandM International University	Information Systems	Rank 3
96	200	ID Ingber, Donald E.	Harvard John A. Paulson School of Engineering and Applied Sciences	Developmental Biology	Rank 8
97	201	FN Frangogiannis, Nikolaos Georgios	Albert Einstein College of Medicine	Cardiovascular System & Hematology	Rank 8
98	202	SR Siegel, Rebecca L.	American Cancer Society	Oncology & Carcinogenesis	Rank 5
99	203	AD Audretsch, David B.	Indiana University Bloomington	Business & Management	Rank 8
100	204	LE Lander, Eric S.	Broad Institute	Developmental Biology	Rank 9
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Every year since 2020Single Year and Career Data.

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Countries with a similar count

Single-year list2025

China31,697 scientists

United Kingdom18,125 scientists

Germany10,666 scientists

Australia8,555 scientists

Canada8,303 scientists

Italy7,991 scientists

Explore other countries

Single-year list2025

Brazil1,461 scientists

Mexico415 scientists

Chile264 scientists

Argentina217 scientists

Colombia128 scientists

Peru51 scientists

All countries on the world map

Frequently asked questions

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

73,020 scientists affiliated with the United States are on the 2025 single-year list, and 87,861 are on the career-long list.

Which institute in the United States has the most Top 2% scientists?

On the 2025 single-year list, Harvard Medical School has the most listed scientists from the United States, with 1,184. It is followed by College of Engineering with 801.

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

On the single-year list, the United States went from 59,785 scientists in 2020 to 73,020 in 2025, a change of +22.1%.

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.