Hong Kong's Top 2% Scientists 2025: Career-Long List

Hong Kong has 1,482 scientists on the 2025 career-long Top 2% list, up 16.7% from 1,270 in 2024. That places Hong Kong 22nd in the world by number of listed scientists, up 1 place. Chinese University of Hong Kong has the most listed scientists (280), followed by The University of Hong Kong (258).

Single Year

1,818

+283 (+18.4%) vs 2024

Career Data

1,482

+212 (+16.7%) vs 2024

World rank by count

#22

up 1 place vs 2024

Institutes

+8 (+14.8%) vs 2024

Scientists in Hong Kong on the list, by year

The career-long count has grown 69% since 2020.

Career-long list, change on the previous year

2021+15.9%

2022+8.0%

2023+7.0%

2024+8.0%

2025+16.7%

Show the numbers

Year	Single Year	Change	Career Data	Change
2020	1,033		878
2021	1,227	+18.8%	1,018	+15.9%
2022	1,270	+3.5%	1,099	+8.0%
2023	1,452	+14.3%	1,176	+7.0%
2024	1,535	+5.7%	1,270	+8.0%
2025	1,818	+18.4%	1,482	+16.7%

Top 10 institutes in Hong Kong

By number of listed scientists

Career-long list2025

Show the list

All 1,482 scientists

Career-long list2025

The first 100 are free to browse.

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Rank in Hong Kong	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	629	ZH Zhang, Hua	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 25
2	771	CG Chen, Guanrong (Ron)	City University of Hong Kong	Fluids & Plasmas	Rank 7
3	772	MT Mak, Tak Wah	The University of Hong Kong Li Ka Shing Faculty of Medicine	Immunology	Rank 33
4	1,044	VP Vanhoutte, Paul M.	The University of Hong Kong, State Key Laboratory of Pharmaceutical Biotechnology	Cardiovascular System & Hematology	Rank 58
5	1,105	YX Yao, Xin	Lingnan University, Hong Kong	Artificial Intelligence & Image Processing	Rank 34
6	1,520	ZG Zhao, Guochun	The University of Hong Kong	Geochemistry & Geophysics	Rank 7
7	1,719	SC Song, Chunshan	Chinese University of Hong Kong	Energy	Rank 20
8	1,783	SJ Sung, Joseph Jao Yiu	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 24
9	1,875	CP Chu, Paul K.	City University of Hong Kong	Applied Physics	Rank 66
10	2,442	PJ Peiris, Joseph Sriyal Malik	The University of Hong Kong Li Ka Shing Faculty of Medicine	Microbiology	Rank 44
11	2,465	PC Poon, Chi Sun	The Hong Kong Polytechnic University	Building & Construction	Rank 6
12	2,523	QS Qin, S. Joe	Lingnan University, Hong Kong	Industrial Engineering & Automation	Rank 12
13	2,528	TX Tang, Xiaoou	Chinese University of Hong Kong	Artificial Intelligence & Image Processing	Rank 71
14	2,624	LK Liew, Kim Meow	City University of Hong Kong	Applied Mathematics	Rank 9
15	2,762	YV Yam, Vivian Wing Wah	The University of Hong Kong	General Chemistry	Rank 30
16	2,789	TS Tjong, S. C.	City University of Hong Kong	Materials	Rank 34
17	2,851	FG Feng, Gang	City University of Hong Kong	Industrial Engineering & Automation	Rank 15
18	2,865	SP Sheng, Ping	Hong Kong University of Science and Technology	Applied Physics	Rank 91
19	2,877	LD Lo, Dennis Yuk Ming	Chinese University of Hong Kong	General Clinical Medicine	Rank 4
20	3,031	ZT Zhang, Tong	Hong Kong University of Science and Technology	Artificial Intelligence & Image Processing	Rank 85
21	3,096	TK Tu, Kingning N.	City University of Hong Kong	Applied Physics	Rank 97
22	3,127	WQ Weng, Qihao	The Hong Kong Polytechnic University	Geological & Geomatics Engineering	Rank 7
23	3,130	RA Rogach, Andrey L.	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 71
24	3,368	KM Kwan, Mei Po	Chinese University of Hong Kong	Geography	Rank 8
25	3,420	CT Cheng, T. C.Edwin	The Hong Kong Polytechnic University	Operations Research	Rank 6
26	3,464	FS Fan, Sheung Tat	The University of Hong Kong Li Ka Shing Faculty of Medicine	Surgery	Rank 10
27	3,541	CG Chen, Guohua	City University of Hong Kong	Chemical Engineering	Rank 13
28	3,588	LC Liu, Chain Tsuan	City University of Hong Kong	Materials	Rank 42
29	3,662	LX Lou, Xiong Wen	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 80
30	3,769	TC Tang, Chingwan	Hong Kong University of Science and Technology	Applied Physics	Rank 111
31	3,776	CC Che, Chi Ming	The University of Hong Kong	Organic Chemistry	Rank 98
32	3,958	WJ Woo, Jean L.F.	Chinese University of Hong Kong	Nutrition & Dietetics	Rank 32
33	4,049	YQ Yang, Qiang S.	Hong Kong University of Science and Technology	Artificial Intelligence & Image Processing	Rank 103
34	4,128	PR Poon, Ronnie Tung Ping	The University of Hong Kong Li Ka Shing Faculty of Medicine	Oncology & Carcinogenesis	Rank 174
35	4,568	LH Löe, Harald A.	Prince Philip Dental Hospital	Dentistry	Rank 14
36	4,633	ZX Zhang, Xiang	The University of Hong Kong	Optics	Rank 24
37	4,700	CK Chau, K. W.	The Hong Kong Polytechnic University	Mechanical Engineering & Transports	Rank 33
38	4,814	GP Gong, Peng	The University of Hong Kong	Geological & Geomatics Engineering	Rank 10
39	4,856	LJ Lau, Joseph T.F.	Chinese University of Hong Kong	Public Health	Rank 39
40	4,963	MY Mai, Yiu Wing	The Hong Kong Polytechnic University	Materials	Rank 56
41	5,303	TR Tuan, Rocky Sung Chi	Chinese University of Hong Kong	Biomedical Engineering	Rank 20
42	5,507	WW Wong, Wai Yeung (Raymond)	The Hong Kong Polytechnic University	Organic Chemistry	Rank 126
43	5,518	SN Shah, Nagendra P.	The University of Hong Kong	Food Science	Rank 17
44	5,560	SD Srolovitz, David J.	The University of Hong Kong	Materials	Rank 66
45	5,670	MT Mok, Tony Shu Kam	Chinese University of Hong Kong	Oncology & Carcinogenesis	Rank 247
46	5,689	NT Ng, Tzibun	Chinese University of Hong Kong	Biochemistry & Molecular Biology	Rank 245
47	5,876	LH Lan, Hui Yao	Chinese University of Hong Kong	Urology & Nephrology	Rank 49
48	5,905	NM Ni, Meng	The Hong Kong Polytechnic University	Energy	Rank 65
49	5,957	LS Liang, Shunlin	The University of Hong Kong	Geological & Geomatics Engineering	Rank 14
50	6,076	LD LEE, Duu-Jong	City University of Hong Kong	Biotechnology	Rank 16
51	6,170	YH Yang, Hai	Hong Kong University of Science and Technology	Logistics & Transportation	Rank 7
52	6,449	ST Shek, Tan Lei Daniel	The Hong Kong Polytechnic University	Endocrinology & Metabolism	Rank 187
53	6,520	LD Leung, Dennis Yiu Cheong	The University of Hong Kong	Energy	Rank 70
54	6,723	PD Parker, David	Hong Kong Baptist University	Organic Chemistry	Rank 155
55	6,754	SP Sham, Pak Chung	The University of Hong Kong Li Ka Shing Faculty of Medicine	Psychiatry	Rank 196
56	6,805	ZY Zhu, Y. T.	City University of Hong Kong	Materials	Rank 82
57	7,105	WJ Wang, Jun	City University of Hong Kong	Artificial Intelligence & Image Processing	Rank 167
58	7,341	CQ Chen, Qingyan (Yan)	The Hong Kong Polytechnic University	Building & Construction	Rank 15
59	7,408	TJ Teng, Jin-Guang	The Hong Kong Polytechnic University	Civil Engineering	Rank 7
60	7,556	YP Yip, Paul Siu Fai	The University of Hong Kong	Psychiatry	Rank 219
61	7,600	HD Hui, David Shu Cheong	Chinese University of Hong Kong	Respiratory System	Rank 73
62	7,637	Yeung, Henry Wai chung	Chinese University of Hong Kong	Geography	Rank 19
63	7,707	DD Dudgeon, David	The University of Hong Kong	Marine Biology & Hydrobiology	Rank 35
64	7,761	BG Bu, Guojun	Hong Kong University of Science and Technology	Neurology & Neurosurgery	Rank 645
65	7,873	LC Lo, Chung Mau	The University of Hong Kong Li Ka Shing Faculty of Medicine	Surgery	Rank 45
66	7,982	YJ Yu, Jun	Chinese University of Hong Kong, Faculty of Medicine	Oncology & Carcinogenesis	Rank 349
67	7,994	BI Benzie, Iris Frances Forster	The Hong Kong Polytechnic University	Nutrition & Dietetics	Rank 65
68	8,294	WW Wang, Wenxiong	City University of Hong Kong	Environmental Sciences	Rank 45
69	8,493	JJ Jia, Jiaya	Chinese University of Hong Kong	Artificial Intelligence & Image Processing	Rank 195
70	8,834	MJ Merilä, Juha A.	The University of Hong Kong	Evolutionary Biology	Rank 105
71	8,890	NS Ng, S. C.	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 153
72	9,119	LJ Lam, James	The University of Hong Kong	Industrial Engineering & Automation	Rank 71
73	9,182	AR Alexander, Robert Mc Neill	Lingnan University, Hong Kong	Zoology	Rank 1
74	9,439	HS Hui, Shu Yuan Ron	The University of Hong Kong	Electrical & Electronic Engineering	Rank 20
75	9,541	SM Shao, Minhua	Hong Kong University of Science and Technology	Nanoscience & Nanotechnology	Rank 159
76	9,547	LB Liu, Bin	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 160
77	9,568	LH Lo, Hoi Kwong	The University of Hong Kong	General Physics	Rank 56
78	9,603	NW Ngai, Wai Ting Eric	The Hong Kong Polytechnic University	Information Systems	Rank 18
79	9,626	LJ Lau, Joseph Wan Yee	Chinese University of Hong Kong	Surgery	Rank 56
80	9,659	SS Smale, Stephen	City University of Hong Kong	General Mathematics	Rank 20
81	9,847	WV Wong, Vincent Wai Sun	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 169
82	9,920	TT Teo, Timothy	Chinese University of Hong Kong	Education	Rank 46
83	9,994	YK Yuen, Kwok Yung	The University of Hong Kong Li Ka Shing Faculty of Medicine	Microbiology	Rank 246
84	10,078	ZJ Zhang, Jianhua	Hong Kong Baptist University	Plant Biology & Botany	Rank 95
85	10,184	CF Chan, Francis Ka Leung	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 178
86	10,259	LS Lee, Sing	Chinese University of Hong Kong	Psychiatry	Rank 295
87	10,267	BM Bond, Michael Harris	The Hong Kong Polytechnic University	Social Psychology	Rank 138
88	10,391	NC Ng, Charles Wang Wai	Hong Kong University of Science and Technology	Geological & Geomatics Engineering	Rank 35
89	10,675	Letaief, Khaled Ben	Hong Kong University of Science and Technology	Networking & Telecommunications	Rank 90
90	10,927	LK Leung, Kwok	Chinese University of Hong Kong	Social Psychology	Rank 142
91	10,983	CJ Chan, Johnny C.L.	City University of Hong Kong	Meteorology & Atmospheric Sciences	Rank 128
92	11,250	QL Qi, Liqun	The Hong Kong Polytechnic University	Operations Research	Rank 30
93	11,601	CC Chan, Chingchuen	The Hong Kong Polytechnic University	Electrical & Electronic Engineering	Rank 33
94	11,649	CA Chan, Albert P.C.	The Hong Kong Polytechnic University	Building & Construction	Rank 24
95	11,732	TC Tse, Chi K.	City University of Hong Kong	Electrical & Electronic Engineering	Rank 35
96	12,172	ZQ Zhang, Qingfu	City University of Hong Kong	Artificial Intelligence & Image Processing	Rank 260
97	12,493	HK Herrup, Karl	Hong Kong University of Science and Technology	Neurology & Neurosurgery	Rank 997
98	12,548	FY Fang, Yuguang Michael	City University of Hong Kong	Networking & Telecommunications	Rank 99
99	12,634	JA Jen, Alex K.Y.	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 200
100	12,728	LM Lyu, Michael Rung Tsong	Chinese University of Hong Kong	Artificial Intelligence & Image Processing	Rank 278
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Countries with a similar count

Career-long list2025

Taiwan1,898 scientists

Finland1,532 scientists

Norway1,493 scientists

Austria1,472 scientists

Poland1,412 scientists

Turkey1,308 scientists

Explore other countries

Career-long list2025

China12,375 scientists

Japan8,730 scientists

South Korea2,620 scientists

Macau111 scientists

India3,371 scientists

Israel2,204 scientists

All countries on the world map

Frequently asked questions

How many scientists from Hong Kong are in the 2025 Stanford Top 2% list?

1,818 scientists affiliated with Hong Kong are on the 2025 single-year list, and 1,482 are on the career-long list.

Which institute in Hong Kong has the most Top 2% scientists?

On the 2025 career-long list, Chinese University of Hong Kong has the most listed scientists from Hong Kong, with 280. It is followed by The University of Hong Kong with 258.

How has the number of Top 2% scientists in Hong Kong changed since 2020?

On the career-long list, Hong Kong went from 878 scientists in 2020 to 1,482 in 2025, a change of +68.8%.

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.