Top countries for Respiratory System

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Which countries have the most top-cited scientists in Respiratory System?

1,497 researchers whose main subfield is Respiratory System 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 (654, 43.7%), followed by the United Kingdom (182) and Canada (90). 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	654	259	43.7%	Raghu, Ganesh R. #1,383	Harvard Medical School
2	United Kingdom	182	86	12.2%	Barnes, Peter John #141	National Heart and Lung Institute
3	Canada	90	34	6.0%	Suissa, Samy #2,785	University of Toronto Faculty of Medicine
4	Germany	75	32	5.0%	Hoeper, Marius M. #4,084	Charité – Universitätsmedizin Berlin
5	Australia	73	20	4.9%	Holland, Anne E. #6,042	Monash University
6	Italy	60	22	4.0%	Richeldi, Luca K. #5,672	Istituti Clinici Scientifici Maugeri Spa – SB
7	France	47	19	3.1%	Humbert, Marc #1,432	Université Paris-Saclay
8	Spain	40	14	2.7%	Soriano, Joan B. #3,961	Centro de Investigación Biomédica en Red de Enfermedades Respiratorias
9	Netherlands	40	18	2.7%	Wijsenbeek, Marlies S. #16,173	Universitair Medisch Centrum Groningen
10	China	31	6	2.1%	Wang, Chen #6,157	The First Affiliated Hospital of Guangzhou Medical University
11	Japan	31	6	2.1%	Okita, Yutaka #64,052	Graduate School of Medicine
12	Belgium	23	9	1.5%	Naeije, Robert #6,585	Universitair Ziekenhuis Gent
13	Sweden	19	5	1.3%	Lötvall, Jan O. #13,088	Uppsala Universitet
14	Switzerland	19	5	1.3%	Puhan, Milo Alan #30,992	Universität Zürich, Medizinische Fakultät
15	South Korea	18	4	1.2%	Koh, Wonjung #39,481	SKKU School of Medicine
16	India	11	3	0.7%	Salvi, Sundeep Santosh #7,222	Postgraduate Institute of Medical Education and Research, Chandigarh
17	Brazil	10	1	0.7%	Amato, Marcelo Britto Passos #74,444	Universidade de São Paulo
18	Ireland	9	4	0.6%	McNicholas, Walter T. #9,694	University College Dublin
19	Denmark	8	2	0.5%	Lange, Peter #53,787	Gentofte Hospital
20	Greece	7	1	0.5%	BOUROS, D. E. #92,655	University of Crete Medical School
21	Hong Kong	6	1	0.4%	Hui, David Shu Cheong #14,868	Chinese University of Hong Kong
22	South Africa	5	4	0.3%	Zar, Heather J. #6,162	University of Cape Town
23	Austria	5	1	0.3%	Kovács, Gabor G. #53,754	Medizinische Universität Graz
24	New Zealand	4	3	0.3%	Beasley, Richard W. #36,399	Medical Research Institute of New Zealand
25	Mexico	3	3	0.2%	Selman-Lama, Moisés E. #25,266	Instituto Nacional de Enfermedades Respiratorias
26	Chile	3	1	0.2%	Castro-Rodriguez, Jose A. #71,315	Pontificia Universidad Católica de Chile
27	Portugal	3	0	0.2%	Marques, Alda Sofia Pires De Dias #183,399	Universidade de Aveiro
28	Iceland	3	0	0.2%	Gudbjartsson, Tómas #186,147	Landspitali - The National University Hospital of Iceland
29	Saudi Arabia	2	1	0.1%	Alqahtani, Jaber S. #30,016	Prince Sultan Military College of Health Sciences, Dhahran
30	Israel	2	1	0.1%	Kerem, Eitan #96,396	Hebrew University-Hadassah Medical School
31	Iran	2	0	0.1%	Hashemian, Seyed Mohammad Reza #149,026	Shahid Beheshti University of Medical Sciences
32	Hungary	2	0	0.1%	Kissné Horváth, Ildikó H. #203,682	Általános Orvostudományi Kar
33	Norway	2	0	0.1%	Svanes, Cecilie #252,661	Haukeland Universitetssjukehus
34	Singapore	1	1	0.1%	Chotirmall, Sanjay Haresh #70,098	Nanyang Technological University
35	Liberia	1	1	0.1%	Jacobs, Marshall Lewis #73,268	Johns Hopkins Children's Center
36	Egypt	1	0	0.1%	Said, Sameh M. #144,939	Faculty of Medicine
37	Poland	1	0	0.1%	Domagala-Kulawik, Joanna #146,054	Uczelnia Medyczna im. Marii Skłodowskiej-Curie
38	Venezuela	1	0	0.1%	Montes de Oca, María #150,159	Universidad Central de Venezuela
39	Türkiye	1	0	0.1%	Peker, Yuksel #157,735	Koç University
40	Finland	1	0	0.1%	Kankaanranta, Hannu #211,851	Tampere University
41	Czechia	1	0	0.1%	Koziar Vašáková, Martina Koziar #275,831	Charles University