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Which countries have the most top-cited scientists in Epidemiology?

211 researchers whose main subfield is Epidemiology are in the 2026 list of top-cited scientists, the annual ranking often called the Stanford–Elsevier top 2% scientists list. The United States has the most (133, 63.0%), followed by the United Kingdom (34) and Canada (8). A country with 100 or more opens its institutions in the subfield; the others open their scientists in the table of all authors.

#	Country	Listed authors	Top 100k	Share of subfield	Highest-ranked author	Top institution
1	United States	133	67	63.0%	VanDerWeele, Tyler J. #53	Harvard T.H. Chan School of Public Health
2	United Kingdom	34	19	16.1%	Marmot, M. G. #159	Bristol Medical School
3	Canada	8	5	3.8%	Hanley, James Anthony H. #5,876	School of Medicine
4	Italy	6	1	2.8%	Michelozzi, Paola #96,606	Università degli Studi di Padova
5	Denmark	4	3	1.9%	Olsen, Jørn Ø.R. #36,253	Københavns Universitet
6	Australia	4	2	1.9%	Graves, Nicholas #83,922	Queensland University of Technology
7	Japan	3	2	1.4%	Tsuji, Ichirou #61,761	Graduate School of Medicine
8	Liberia	2	2	0.9%	Ward, Mary H. #21,356	National Cancer Institute
9	Germany	2	2	0.9%	Kampf, Günter #29,428	Universitätsmedizin Greifswald
10	Hong Kong	2	1	0.9%	Schooling, Catherine Mary #37,056	The University of Hong Kong Li Ka Shing Faculty of Medicine
11	Norway	2	1	0.9%	Magnus, Per Minor #48,178	Folkehelseinstituttet
12	Finland	2	1	0.9%	Knekt, Paul B. #90,352	Terveyden ja Hyvinvoinnin Laitos
13	Spain	2	1	0.9%	Delgado-Rodríquez, Miguel #99,972	Universidad de Jaén
14	Netherlands	2	0	0.9%	Vergouwe, Yvonne #101,670	Erasmus MC
15	New Zealand	1	1	0.5%	Potter, John D. #36,762	Massey University Wellington
16	Sweden	1	1	0.5%	Ahlbom, Anders #39,321	Region Stockholm
17	Ireland	1	1	0.5%	Humphreys, Hilary W. #62,959	Royal College of Surgeons in Ireland
18	Israel	1	1	0.5%	Schatzkin, Arthur G. #90,347	The Gertner Institute
19	Taiwan	1	0	0.5%	Lee, Wen-Chung #108,990	National Taiwan University