Top countries for Physics & Astronomy

Search countries

Which countries have the most top-cited scientists in Physics & Astronomy?

20,385 researchers whose main field is Physics & Astronomy 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 (5,845, 28.7%), followed by China (2,439) and Germany (1,534). A country with 100 or more opens its institutions in the field; the others open their scientists in the table of all authors.

#	Country	Listed authors	Top 100k	Share of field	Highest-ranked author	Top institution
1	United States	5,845	2,571	28.7%	Perdew, John #13	California Institute of Technology
2	China	2,439	568	12.0%	Lu, Tian #31	University of Chinese Academy of Sciences
3	Germany	1,534	570	7.5%	Blöchl, Peter E. #181	Technische Universität München
4	United Kingdom	1,308	552	6.4%	Geim, Andre K. #90	University of Oxford
5	Japan	866	262	4.2%	Tokura, Yoshinori #465	The University of Tokyo
6	France	838	280	4.1%	Feynman, Richard P. #712	Université Paris-Saclay
7	Italy	772	243	3.8%	Longhi, Stefano #953	Sapienza Università di Roma
8	India	686	133	3.4%	Padmanabhan, T. #3,957	Indian Institute of Science
9	Canada	448	176	2.2%	Becke, Axel D. #37	University of Toronto
10	Spain	447	148	2.2%	Bisquert, Juan #2,046	Universitat de Barcelona
11	Switzerland	379	150	1.9%	Helbing, Dirk #802	ETH Zürich
12	Australia	371	152	1.8%	Green, Martin A. #153	The Australian National University
13	Russia	323	80	1.6%	Starobinsky, Alexei A. #1,789	Lomonosov Moscow State University
14	Netherlands	315	124	1.5%	Lohse, Detlef #1,074	Radboud Universiteit
15	South Korea	301	62	1.5%	Sohn, Hoon #7,317	Korea Advanced Institute of Science and Technology
16	Saudi Arabia	238	74	1.2%	Schmid, Peter J. #1,934	Princess Nourah Bint Abdulrahman University
17	Israel	208	93	1.0%	Bekenstein, Jacob D. #1,135	Weizmann Institute of Science Israel
18	Poland	203	56	1.0%	Rogalski, Antoni #1,831	University of Warsaw
19	Sweden	192	62	0.9%	Hess, Berk #695	Linköpings Universitet
20	Austria	166	60	0.8%	Kresse, Georg #2	TU Wien
21	Belgium	165	57	0.8%	Bogaerts, Annemie A.M.B. #1,908	Universiteit Gent
22	Denmark	152	60	0.7%	Hammer, Bjørk #5,684	Niels Bohr Institutet
23	Pakistan	141	40	0.7%	Ellahi, Rahmat #4,850	University of the Punjab
24	Türkiye	128	33	0.6%	Övgün, A. #3,717	Atatürk Üniversitesi
25	Egypt	121	33	0.6%	Hassanien, Ahmed Saeed #6,981	Faculty of Science
26	Hong Kong	117	46	0.6%	Zhang, Bing #1,276	Hong Kong University of Science and Technology
27	Taiwan	117	20	0.6%	Hultman, Lars G. #3,865	National Taiwan University
28	Iran	108	37	0.5%	Akhavan, Omid #2,090	University of Mazandaran
29	Brazil	106	30	0.5%	Tsallis, Constantino #2,358	Universidade de São Paulo
30	Singapore	91	28	0.4%	Neto, Antonio H.Castro #2,118	National University of Singapore
31	Czechia	84	25	0.4%	Konoplya, Roman A. #836	Institute of Physics of the Czech Academy of Sciences
32	Finland	80	23	0.4%	Pyykkö, Pekka #3,802	Helsingin Yliopisto
33	Greece	70	21	0.3%	Saridakis, Emmanuel N. #2,991	Aristotle University of Thessaloniki
34	Mexico	66	13	0.3%	Galano, Annia #10,032	Universidad Iberoamericana
35	Portugal	62	19	0.3%	Lobo, Francisco S.N. #3,281	Instituto Superior Técnico
36	South Africa	56	25	0.3%	Forbes, Andrew #2,727	University of Cape Town
37	Iraq	51	11	0.3%	Reshak, Ali Hussain #13,696	University of Technology- Iraq
38	Ireland	49	23	0.2%	Coey, JMD Michael David #996	University College Dublin
39	Hungary	48	15	0.2%	Wigner, Eugene P. #2,257	Eötvös Loránd Tudományegyetem
40	Slovenia	38	10	0.2%	Perc, Matjaž #648	Institut Jožef Stefan
41	Bangladesh	38	9	0.2%	Alam, Muhammad Ashraful #7,885	Pabna University of Science and Technology
42	Chile	38	12	0.2%	Tokovinin, Andreï A. #12,377	Pontificia Universidad Católica de Chile
43	United Arab Emirates	33	11	0.2%	Al-Douri, Yaroub K. #13,045	NYU Abu Dhabi
44	Ukraine	33	6	0.2%	Grigorenko, Alexander N. #55,819	Bogolyubov Institute for Theoretical Physics of the National Academy of Sciences of Ukraine
45	Norway	32	12	0.2%	Helgaker, Trygve U. #30,776	Universitetet i Oslo
46	New Zealand	31	10	0.2%	Visser, Matt #1,035	Victoria University of Wellington
47	Malaysia	30	3	0.1%	Khandaker, Mayeen Uddin #26,707	Universiti Putra Malaysia
48	Romania	27	3	0.1%	Harko, Tiberiu C. #6,127	Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering
49	Algeria	25	5	0.1%	Berri, Saadi #6,868	University Mohamed Boudiaf of M‘sila
50	Azerbaijan	21	7	0.1%	Oikonomou, V. K. #6,837	Khazar University
51	Morocco	21	2	0.1%	Zarrouk, Abdelkader #40,788	Mohammed V University in Rabat
52	Indonesia	19	1	0.1%	Tahir, Dahlang #78,548	Universitas Negeri Malang
53	Argentina	18	5	0.1%	Casini, Horacio #21,571	Centro Atomico Bariloche
54	Slovakia	16	2	0.1%	Mészáros, Péter I. #7,116	Univerzita Komenského v Bratislave
55	Bulgaria	16	8	0.1%	Yazadjiev, Stoytcho S. #30,561	Sofia University St. Kliment Ohridski
56	Vietnam	16	3	0.1%	Hoat, D. M. #49,918	Duy Tan University
57	Thailand	16	3	0.1%	Kaewkhao, Jakrapong #75,097	Chiang Mai University
58	Uzbekistan	13	2	0.1%	Atamurotov, Farruh #74,602	National University of Uzbekistan named after Mirzo Ulugbek
59	Croatia	12	1	0.1%	Vršnak, Bojan #96,395	Sveučilište u Zagrebu, Prirodoslovno - Matematički Fakultet
60	Jordan	11	3	0.1%	Sayyed, M. I. #2,031	Jordan University of Science and Technology
61	Lithuania	11	3	0.1%	Račiukaitis, Gediminas #83,086	Fizinių ir Technologijos Mokslų Centras
62	Serbia	10	2	0.0%	Dramićanin, Miroslav D. #8,800	University of Belgrade
63	Estonia	10	6	0.0%	Brik, Mikhail G. #15,430	National Institute of Chemical Physics and Biophysics, Tallinn
64	Luxembourg	9	4	0.0%	Tkatchenko, Alexandre #2,355	University of Luxembourg
65	Cyprus	9	6	0.0%	Yıldırım, Yakup #13,498	Near East University
66	Palestine	9	4	0.0%	Badawi, Ali #22,172	An-Najah National University
67	Kazakhstan	9	3	0.0%	Myrzakulov, Ratbay #23,651	Farabi University
68	Qatar	9	3	0.0%	Ayesh, Ahmad I. #39,718	College of Arts and Sciences, Qatar University
69	Nigeria	9	1	0.0%	Sulaıman, Tukur Abdulkadir #93,427	Federal University Dutse
70	Latvia	8	2	0.0%	Eglitis, R. I. #62,154	Institute of Solid State Physics University of Latvia
71	Macao	8	3	0.0%	Chen, Guoqian #70,001	Macau University of Science and Technology
72	Armenia	7	3	0.0%	Sirunyan, A. M. #76,052	Yerevan Physics Institute
73	Tunisia	7	0	0.0%	El-Mir, Lassaad Mabrouk #147,092	Université de Gabès
74	Kuwait	6	2	0.0%	Dönmez, Orhan #27,683	American University of the Middle East
75	Yemen	5	2	0.0%	Rajeh, A. #45,879	Thamar University
76	Bahrain	5	0	0.0%	Abdel-Aty, Mahmoud A. #101,557	Ahlia University
77	Belarus	4	1	0.0%	Trukhanov, Sergei Valentinovich #1,948	Scientific Practical Materials Research Centre of NAS of Belarus
78	North Macedonia	4	2	0.0%	Jusufi, Kimet #7,634	Macedonian Academy of Sciences and Arts
79	Moldova	4	1	0.0%	Korotcenkov, G. S. #12,555	Moldova State University
80	Oman	4	1	0.0%	Maurya, S. K. #12,634	University of Nizwa
81	Iceland	4	1	0.0%	Jónsson, Hannes #31,803	Haskoli Islands
82	Colombia	4	0	0.0%	González-Hernández, Rafael J. #149,052	Universidad del Norte
83	Malta	3	1	0.0%	Grima, Joseph N. #40,893	L-Università ta' Malta
84	Uruguay	3	1	0.0%	Denis, Pablo A. #75,708	Universidad de la Republica Instituto de Fisica
85	Cameroon	3	0	0.0%	Tabekoueng Njitacke, Zeric Tabekoueng #154,398	University of Buea
86	Philippines	2	2	0.0%	Kloprogge, J. Theo #16,223	University of the Philippines Visayas
87	Nepal	2	2	0.0%	Karki, Bhishma #42,683	Tribhuvan University
88	Venezuela	2	1	0.0%	Salager, Jean Louis #46,850	Universidad De Los Andes, Merida
89	Ghana	2	2	0.0%	Asamoah, Joshua Kiddy Kwasi #67,158	Kwame Nkrumah University of Science & Technology
90	Sri Lanka	2	1	0.0%	Mathanaranjan, Thilagarajah #98,678	University of Jaffna
91	Brunei	1	1	0.0%	Chou Chau, Yuan Fong #19,453	Universiti Brunei Darussalam
92	Ecuador	1	1	0.0%	Bellucci, Stefano #32,287	Universidad ECOTEC
93	Lebanon	1	1	0.0%	Chamseddine, Ali H. #79,946	American University of Beirut
94	Bosnia & Herzegovina	1	1	0.0%	Milosevic, D. B. #90,842	Univerzitet u Sarajevu
95	Puerto Rico	1	0	0.0%	Katiyar, Rams Sharan #112,436	Universidad de Puerto Rico
96	Panama	1	0	0.0%	Ghimire, Shambhu #118,003	Universidad de Panamá
97	Benin	1	0	0.0%	Houndjo, Mahouton J.S. #152,790	Faculté des Sciences et Techniques de Natitingou
98	Trinidad & Tobago	1	0	0.0%	Kumar, Vinod #153,896	The University of the West Indies, St. Augustine Campus
99	Sudan	1	0	0.0%	Abdalla, Hassan #211,118	Omdurman Islamic University
100	North Korea	1	0	0.0%	Kim, Kwang Hyon #216,520	State Academy of Sciences
101	Libya	1	0	0.0%	Cummings, Alan #289,782	Libyan Academy for Postgraduate Studies
102	Ethiopia	1	0	0.0%	Gemta, Abebe Belay #297,536	Adama Science and Technology University
103	Liechtenstein	1	0	0.0%	Höland, Wolfram #299,245	Ivoclar Vivadent AG
104	Peru	1	0	0.0%	Alfaro, Rubén #442,981	Instituto del Mar del Peru
105	Bahamas	1	0	0.0%	Guendelman, Eduardo I. #688,846	Bahamas Advanced Study Institute and Conferences