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

7,857 researchers whose main subfield is Energy are in the 2026 list of top-cited scientists, the annual ranking often called the Stanford–Elsevier top 2% scientists list. China has the most (2,366, 30.1%), followed by the United States (882) and the United Kingdom (402). 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	China	2,366	795	30.1%	He, Ji Huan #289	Tsinghua University
2	United States	882	402	11.2%	Xu, Kang W. #353	College of Engineering
3	United Kingdom	402	188	5.1%	Williams, Paul T. #1,437	Imperial College London
4	India	367	133	4.7%	Agarwal, Avinash Kumar #5,934	SRM Institute of Science and Technology
5	Saudi Arabia	274	149	3.5%	Ali, Hafiz Muhammad #854	King Fahd University of Petroleum and Minerals
6	Germany	221	98	2.8%	Winter, Martin #1,487	Forschungszentrum Jülich GmbH
7	Australia	220	100	2.8%	Iglauer, Stefan #936	Monash University
8	Italy	207	66	2.6%	Siano, Pierluigi #2,285	Politecnico di Torino
9	Canada	202	90	2.6%	Dincer, I. #75	University of Alberta
10	Iran	176	73	2.2%	Rezaee Jordehi, Ahmad #2,780	University of Tehran
11	Türkiye	168	62	2.1%	DemirbaÅ, Ayhan Hilal #220	Yıldız Teknik Üniversitesi
12	South Korea	158	38	2.0%	Geem, Zong Woo #9,496	Korea Advanced Institute of Science and Technology
13	Spain	153	49	1.9%	Armand, Michel B. #506	Universidad de Zaragoza
14	Japan	136	48	1.7%	Sharifi, Ayyoob #229	Kyushu University
15	Malaysia	132	53	1.7%	Saidur, Rahman Md #731	Universiti Malaya
16	Egypt	118	46	1.5%	Kabeel, A. E. #2,064	Faculty of Engineering
17	France	100	38	1.3%	Tarascon, Jean Marie #160	CNRS Centre National de la Recherche Scientifique
18	Sweden	84	33	1.1%	Konnov, Alexander A. #4,814	Chalmers University of Technology
19	United Arab Emirates	80	41	1.0%	Olabi, Abdul Ghani #144	University of Sharjah
20	Denmark	77	34	1.0%	Sovacool, Benjamin K. #33	Technical University of Denmark
21	Netherlands	76	33	1.0%	Koper, Marc T.M. #196	Delft University of Technology
22	Poland	76	25	1.0%	Shahbaz, Muhammad #204	Silesian University of Technology
23	Pakistan	61	19	0.8%	Bilal Tahir, Muhammad Bilal #8,138	National University of Sciences and Technology
24	Greece	60	24	0.8%	Hatziargyriou, Nikos D. #2,496	National Technical University of Athens (NTUA)
25	Hong Kong	59	33	0.8%	Ni, Meng #884	The Hong Kong Polytechnic University
26	Norway	57	21	0.7%	Klöckner, Christian Andreas #4,845	Norges Teknisk-Naturvitenskapelige Universitet
27	Portugal	54	21	0.7%	Nunes, Leonel J.R. #5,976	Universidade do Porto
28	Taiwan	53	21	0.7%	Chen, Wei-Hsin Hsin H. #1,132	National Taipei University of Technology
29	South Africa	50	15	0.6%	Ebenso, Eno E. #7,540	University of Johannesburg
30	Iraq	47	19	0.6%	Hassan, Qusay #2,398	University of Technology- Iraq
31	Switzerland	46	28	0.6%	Steinfeld, Aldo #6,501	ETH Zürich
32	Belgium	44	20	0.6%	Verhelst, Sebastian #10,516	European Commission Joint Research Centre
33	Singapore	40	21	0.5%	Ang, Beng Wah #2,062	National University of Singapore
34	Finland	40	18	0.5%	Breyer, Christian #3,294	LUT University
35	Russia	34	10	0.4%	Agyekum, Ephraim Bonah #6,410	Institute of High Temperature Electrochemistry of the Ural Branch of the Russian Academy of Sciences
36	Qatar	33	18	0.4%	AlMomani, Fares #3,909	Qatar University
37	Austria	26	12	0.3%	Ajanovic, A. #17,103	International Institute for Applied Systems Analysis, Laxenburg
38	Nigeria	25	8	0.3%	Rafindadi, Abdulkadir Abdulrashid #36,550	Bowen University
39	Ireland	24	14	0.3%	Milano, Federico #6,382	Maynooth University
40	Thailand	24	4	0.3%	Chaudhary, Vishal #11,259	Chulalongkorn University
41	Morocco	22	4	0.3%	Allouhi, Amine #9,516	Université Sidi Mohamed Ben Abdellah
42	Oman	21	14	0.3%	Kazem, Hussein A. #4,776	Sultan Qaboos University
43	Israel	18	10	0.2%	Aurbach, Doron #553	Technion - Israel Institute of Technology
44	Brazil	18	3	0.2%	Martínez-Huitle, Carlos A. #19,280	Universidade de São Paulo
45	Vietnam	17	9	0.2%	Hoang, Anh Tuan #647	Ton-Duc-Thang University
46	Bangladesh	17	8	0.2%	Islam, Aminul #15,859	Rajshahi University of Engineering and Technology
47	Cyprus	16	7	0.2%	Kalogirou, Soteris A. #497	Cyprus University of Technology
48	Indonesia	16	7	0.2%	Kusuma, Heri Septya #31,618	Universitas Indonesia
49	Jordan	16	3	0.2%	Albatayneh, Aiman M. #52,893	Jordan University of Science and Technology
50	Hungary	15	7	0.2%	Mayer, Martin János #33,758	Debreceni Egyetem Gazdaságtudományi Kar
51	New Zealand	14	8	0.2%	Boretti, Alberto A. #791	University of Canterbury
52	Algeria	14	6	0.2%	Mellit, Adel #7,434	Université d’Echahid Hamma Lakhdar – El-oued
53	Romania	14	8	0.2%	Cormoş, Cǎlin Cristian #10,001	Universitatea Babeș-Bolyai
54	Czechia	11	4	0.1%	Klemeš, Jiří Jaromír #2,436	VSB – Technical University of Ostrava
55	Macao	11	5	0.1%	Zhang, Dayong #2,622	University of Macau
56	Mexico	11	2	0.1%	Ancheyta, Jorge #44,435	Instituto Politécnico Nacional
57	Slovenia	10	4	0.1%	Gaberscek, Miran #13,172	Univerza v Ljubljani
58	Lithuania	9	4	0.1%	Štreimikienė, Dalia #1,666	Lithuanian Centre for Social Sciences
59	Kuwait	9	1	0.1%	Mahariq, Ibrahim #39,141	American University of the Middle East
60	Croatia	8	7	0.1%	Nižetić, Sandro #3,917	Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, University of Split
61	Philippines	8	4	0.1%	Tan, Raymond R. #20,454	De La Salle University
62	Colombia	7	2	0.1%	Montoya Giraldo, Oscar Danilo #41,749	Universidad Tecnológica de Pereira
63	Chile	6	1	0.1%	Rajendran, Saravanan #10,207	Universidad de Tarapacá
64	Ghana	6	1	0.1%	Adom, Philip Kofi #29,837	Kwame Nkrumah University of Science & Technology
65	Kazakhstan	6	1	0.1%	Issakhov, Alibek A. #58,292	Nazarbayev University
66	Lebanon	5	2	0.1%	Jabr, Rabih A. #13,736	Lebanese International University
67	Luxembourg	5	3	0.1%	Bertoldi, Paolo #15,307	Luxembourg Institute of Science and Technology
68	Ukraine	5	1	0.1%	Pimonenko, Tetyana V. #85,042	Sumy State University
69	Libya	4	1	0.1%	Nassar, Y. Fathi #17,262	Sebha University
70	Azerbaijan	4	2	0.1%	Khan, B. #29,108	Khazar University
71	Bulgaria	4	1	0.1%	Vassilev, Stanislav V. #35,751	Bulgarian Academy of Sciences, Institute of Mineralogy and Crystallography “Acad. Ivan Kostov”
72	Latvia	4	1	0.1%	Musarat, Muhammad Ali #55,597	Riga Technical University
73	Brunei	4	1	0.1%	Azad, A. K. #56,191	Universiti Teknologi Brunei
74	Palestine	4	1	0.1%	Khatib, Tamer T.N. #94,108	An-Najah National University
75	Estonia	4	0	0.1%	Küngas, Rainer #108,668	OU STARGATE HYDROGEN SOLUTIONS
76	Ethiopia	3	1	0.0%	Ouédraogo, Nadia S. #89,544	United Nations Economic Commission for Africa (UNECA)
77	Uzbekistan	3	2	0.0%	Abdullaev, Sherzod Shukhratovich #91,176	New Uzbekistan University
78	Tunisia	3	0	0.0%	Jemni, Abdelmajid #115,279	Ecole Nationale d'Ingenieurs de Monastir
79	Argentina	3	0	0.0%	Leon, Andres E. #118,897	Universidad Nacional del Sur
80	Slovakia	3	0	0.0%	Mišík, Matúš #182,428	Univerzita Komenského v Bratislave
81	Ecuador	2	2	0.0%	Nizami, Abdul Sattar #24,070	Universidad UTE
82	Bahrain	2	1	0.0%	Hossain, S. M. Zakir #53,534	University of Bahrain
83	Botswana	2	0	0.0%	Firoozi, Ali Akbar #129,140	University of Botswana
84	Serbia	2	0	0.0%	Veljković, Vlada B. #132,615	University of Niš
85	Iceland	2	0	0.0%	Heinonen, Jukka Taneli #137,967	Haskoli Islands
86	Cameroon	2	0	0.0%	Fopah-Lele, A. #142,098	University of Buea
87	Burkina Faso	2	0	0.0%	N’Tsoukpoe, Kokouvi Edem #152,620	2iE - Institut International d'Ingénierie de l'Eau et de l'Environnement
88	Tanzania	2	0	0.0%	Kivevele, Thomas Thomas #154,452	Nelson Mandela African Institution of Science and Technology
89	Mauritius	1	1	0.0%	Bundhoo, Zumar Muhammad Ali #50,765	University of Mauritius
90	Montenegro	1	1	0.0%	Ćalasan, Martin P. #79,856	University of Montenegro
91	Fiji	1	0	0.0%	Prasad, R. #114,567	The University of Fiji
92	Liberia	1	0	0.0%	Yusuf, Abdulfatah Abdu #122,704	University of Liberia
93	Sri Lanka	1	0	0.0%	Ekanayake, Janaka Bandara #139,799	University of Peradeniya
94	Malta	1	0	0.0%	Azzopardi, Brian #142,065	L-Università ta' Malta
95	Sudan	1	0	0.0%	Omara, Adil A.M. #166,626	Sudan University of Science and Technology
96	Yemen	1	0	0.0%	Al-Abidi, Abduljalil A. #198,719	Sana'a Community College
97	Peru	1	0	0.0%	Álvarez-Risco, Aldo #217,256	South American Network of Pharmaceutical Care
98	Albania	1	0	0.0%	Hysa, Eglantina #229,859	Epoka University
99	North Macedonia	1	0	0.0%	Mirçeski, Valentin #256,018	Macedonian Academy of Sciences and Arts