Hong Kong's Top 2% Scientists 2023: Career-Long List

Hong Kong has 1,176 scientists on the 2023 career-long Top 2% list, up 7.0% from 1,099 in 2022. That places Hong Kong 23rd in the world by number of listed scientists. The University of Hong Kong has the most listed scientists (233), followed by The Hong Kong Polytechnic University (196).

Single Year

1,452

+182 (+14.3%) vs 2022

Career Data

1,176

+77 (+7.0%) vs 2022

World rank by count

#23

No change vs 2022

Institutes

+8 (+15.1%) vs 2022

Scientists in Hong Kong on the list, by year

The career-long count has grown 34% 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 list2023

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All 1,176 scientists

Career-long list2023

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	767	ZH Zhang, Hua	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 25
2	829	CG Chen, Guanrong	City University of Hong Kong	Fluids & Plasmas	Rank 8
3	843	VP Vanhoutte, Paul M.	The University of Hong Kong	Cardiovascular System & Hematology	Rank 47
4	2,010	SC Song, Chunshan	Chinese University of Hong Kong	Energy	Rank 21
5	2,360	ZG Zhao, Guochun	The University of Hong Kong	Geochemistry & Geophysics	Rank 18
6	2,368	WM Wong, Ming Hung	The Education University of Hong Kong	Environmental Sciences	Rank 8
7	2,550	QS Qin, Si Joe	City University of Hong Kong	Industrial Engineering & Automation	Rank 13
8	2,701	TX Tang, Xiaoou	Chinese University of Hong Kong	Artificial Intelligence & Image Processing	Rank 66
9	2,729	WX Wang, Xiaogang	Chinese University of Hong Kong	Artificial Intelligence & Image Processing	Rank 68
10	2,835	LK Liew, K. M.	City University of Hong Kong	Applied Mathematics	Rank 9
11	2,893	TK Tu, King Ning	City University of Hong Kong	Applied Physics	Rank 97
12	2,894	CJ Chan, John K.C.	Queen Elizabeth Hospital Hong Kong	Pathology	Rank 10
13	2,917	SP Sheng, Ping	Hong Kong University of Science and Technology	Applied Physics	Rank 98
14	2,952	TS Tjong, Sie Chin	City University of Hong Kong	Materials	Rank 37
15	3,004	FG Feng, Gang	City University of Hong Kong	Industrial Engineering & Automation	Rank 15
16	3,030	FS Fan, Sheung Tat	Hong Kong Sanatorium and Hospital	Surgery	Rank 9
17	3,205	TC Tang, Ching W.	Hong Kong University of Science and Technology	Applied Physics	Rank 102
18	3,401	RA Rogach, Andrey L.	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 67
19	3,406	CC Che, Chi Ming	State Key Laboratory of Synthetic Chemistry	Organic Chemistry	Rank 94
20	3,688	PR Poon, Ronnie Tung Ping	Queen Mary Hospital Hong Kong	Oncology & Carcinogenesis	Rank 168
21	3,700	CT Cheng, T. C.E.	The Hong Kong Polytechnic University	Operations Research	Rank 6
22	3,761	PC Poon, Chi Sun	The Hong Kong Polytechnic University	Building & Construction	Rank 3
23	3,800	WQ Weng, Qihao	The Hong Kong Polytechnic University	Geological & Geomatics Engineering	Rank 7
24	3,957	CG Chen, Guohua	City University of Hong Kong	Chemical Engineering	Rank 14
25	4,389	LC Liu, C. T.	City University of Hong Kong	Materials	Rank 50
26	4,760	WJ Woo, Jean	Chinese University of Hong Kong	Nutrition & Dietetics	Rank 39
27	4,803	KM Kwan, Mei Po	Chinese University of Hong Kong	Geography	Rank 9
28	5,163	TR Tuan, Rocky S.	Chinese University of Hong Kong	Developmental Biology	Rank 264
29	5,302	SD Srolovitz, David J.	The University of Hong Kong	Materials	Rank 63
30	5,553	YQ Yang, Qiang	Hong Kong University of Science and Technology	Artificial Intelligence & Image Processing	Rank 118
31	5,636	CK Chau, Kwok wing	The Hong Kong Polytechnic University	Mechanical Engineering & Transports	Rank 34
32	5,811	SN Shah, Nagendra	The University of Hong Kong	Food Science	Rank 14
33	5,823	WW Wong, Wai Yeung	The Hong Kong Polytechnic University	Organic Chemistry	Rank 134
34	6,342	SP Sham, Pak Chung	The University of Hong Kong Li Ka Shing Faculty of Medicine	Psychiatry	Rank 180
35	6,770	MT Mok, Tony S.K.	Chinese University of Hong Kong	Oncology & Carcinogenesis	Rank 311
36	6,780	GP Gong, Peng	The University of Hong Kong	Geological & Geomatics Engineering	Rank 12
37	6,852	YH Yang, Hai	Hong Kong University of Science and Technology	Logistics & Transportation	Rank 7
38	7,020	LH Lan, Hui yao	Chinese University of Hong Kong	Urology & Nephrology	Rank 61
39	7,475	LC Lo, Chung Mau	The University of Hong Kong	Surgery	Rank 44
40	7,798	WJ Wang, Jun	City University of Hong Kong	Artificial Intelligence & Image Processing	Rank 163
41	8,176	BI Benzie, Iris F.F.	The Hong Kong Polytechnic University	Nutrition & Dietetics	Rank 63
42	8,215	SD Shek, Daniel T.L.	The Hong Kong Polytechnic University	Endocrinology & Metabolism	Rank 243
43	8,354	LJ Lam, James	The University of Hong Kong	Industrial Engineering & Automation	Rank 62
44	8,511	MJ Merilä, Juha	The University of Hong Kong	Evolutionary Biology	Rank 107
45	8,626	HD Hui, David S.	Chinese University of Hong Kong	Respiratory System	Rank 89
46	8,952	LS Liang, Shunlin	The University of Hong Kong	Geological & Geomatics Engineering	Rank 23
47	8,984	DD Dudgeon, David	The University of Hong Kong	Marine Biology & Hydrobiology	Rank 37
48	9,017	TJ Teng, Jin Guang	The Hong Kong Polytechnic University	Civil Engineering	Rank 8
49	9,146	CQ Chen, Qingyan	The Hong Kong Polytechnic University	Building & Construction	Rank 13
50	9,288	SS Smale, Steve	City University of Hong Kong	General Mathematics	Rank 19
51	9,519	LD Leung, Dennis Y.C.	The University of Hong Kong	Energy	Rank 93
52	9,579	YP Yip, Paul Siu Fai	The University of Hong Kong	Psychiatry	Rank 271
53	9,772	NE Ngai, Eric W.T.	The Hong Kong Polytechnic University	Information Systems	Rank 15
54	9,877	WW Wang, Wen Xiong	City University of Hong Kong	Environmental Sciences	Rank 45
55	9,961	HD Hill, David	The University of Hong Kong	Industrial Engineering & Automation	Rank 73
56	10,068	MC Mok, Chi Chiu	Tuen Mun Hospital	Arthritis & Rheumatology	Rank 96
57	10,102	YK Yuen, Kwok Yung	The University of Hong Kong, State Key Laboratory of Emerging Infectious Diseases	Microbiology	Rank 243
58	10,121	NM Ni, Meng	The Hong Kong Polytechnic University	Energy	Rank 95
59	10,456	CF Chan, Francis K.L.	Chinese University of Hong Kong, Faculty of Medicine	Gastroenterology & Hepatology	Rank 185
60	10,568	BM Bond, Michael Harris	The Hong Kong Polytechnic University	Social Psychology	Rank 137
61	10,584	LK Leung, Kwok	Chinese University of Hong Kong	Social Psychology	Rank 138
62	10,610	ZJ Zhang, Jian Hua	Hong Kong Baptist University	Plant Biology & Botany	Rank 93
63	11,070	CW Cho, William C.	Queen Elizabeth Hospital Hong Kong	Oncology & Carcinogenesis	Rank 498
64	11,084	LS Lee, Sing	Chinese University of Hong Kong	Psychiatry	Rank 310
65	11,268	HS Hui, Shu Yuen Ron	The University of Hong Kong	Electrical & Electronic Engineering	Rank 30
66	11,356	Jim, C. Y.	The Education University of Hong Kong	Forestry	Rank 1
67	11,530	ZY Zhu, Yuntian	City University of Hong Kong	Materials	Rank 137
68	11,990	FY Fang, Yuguang	City University of Hong Kong	Networking & Telecommunications	Rank 92
69	12,498	Letaief, Khaled Ben	Hong Kong University of Science and Technology	Networking & Telecommunications	Rank 97
70	12,607	TC Tse, Chi K.	City University of Hong Kong	Electrical & Electronic Engineering	Rank 36
71	12,619	JJ Jia, Jiaya	Chinese University of Hong Kong	Artificial Intelligence & Image Processing	Rank 251
72	12,632	LC Lee, Chung Yee	Hong Kong University of Science and Technology	Operations Research	Rank 27
73	12,666	CJ Chan, Johnny C.L.	City University of Hong Kong	Meteorology & Atmospheric Sciences	Rank 146
74	12,681	KY Kwong, Yok Lam	Queen Mary Hospital Hong Kong	Immunology	Rank 466
75	13,265	TL Tsui, Lap Chee	The University of Hong Kong	Genetics & Heredity	Rank 51
76	13,296	LC Lai, Ching Lung	The University of Hong Kong	Gastroenterology & Hepatology	Rank 222
77	13,369	CP Chan, Paul K.S.	Chinese University of Hong Kong, Faculty of Medicine	Microbiology	Rank 311
78	13,395	SW Shyy, Wei	Hong Kong University of Science and Technology	Aerospace & Aeronautics	Rank 10
79	13,606	MT Mak, Thomas C.W.	Chinese University of Hong Kong	Inorganic & Nuclear Chemistry	Rank 79
80	13,741	JA Jen, Alex K.Y.	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 170
81	13,900	LM Lyu, Michael R.	Chinese University of Hong Kong	Artificial Intelligence & Image Processing	Rank 273
82	14,025	NS Ng, Siew C.	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 236
83	14,027	WF Wu, Felix	The University of Hong Kong	Energy	Rank 135
84	14,445	WV Wong, Vincent Wai Sun	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 245
85	14,549	BC Blakemore, Colin	City University of Hong Kong	Neurology & Neurosurgery	Rank 1,210
86	14,944	SM Shao, Minhua	Hong Kong University of Science and Technology	Nanoscience & Nanotechnology	Rank 181
87	15,456	CH Chan, Henry Lik Yuen	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 261
88	15,798	TT Teo, Timothy	Chinese University of Hong Kong	Education	Rank 62
89	15,928	ZQ Zhang, Qingfu	City University of Hong Kong	Artificial Intelligence & Image Processing	Rank 318
90	16,112	CM Chan-Yeung, Moira	Hong Kong Museum of Medical Sciences Society	Respiratory System	Rank 165
91	16,506	FM Firth, Michael	Lingnan University, Hong Kong	Finance	Rank 27
92	16,530	SL Samaranayake, Lakshman	The University of Hong Kong	Dentistry	Rank 65
93	16,744	FX Fan, Xitao	Chinese University of Hong Kong	Education	Rank 64
94	16,757	BK Bae, Kyongtae Ty	The University of Hong Kong	Nuclear Medicine & Medical Imaging	Rank 77
95	16,869	KA Kumar, Ajay	The Hong Kong Polytechnic University	Artificial Intelligence & Image Processing	Rank 335
96	17,021	CA Chan, Anthony T.C.	Prince of Wales Hospital Hong Kong	Oncology & Carcinogenesis	Rank 766
97	17,038	FH Fang, Herbert H.P.	The University of Hong Kong	Environmental Engineering	Rank 56
98	17,058	CA Chan, Albert P.C.	The Hong Kong Polytechnic University	Building & Construction	Rank 23
99	17,061	ZD Zhang, David	The Hong Kong Polytechnic University	Artificial Intelligence & Image Processing	Rank 342
100	17,465	ZX Zeng, Xiao Cheng	City University of Hong Kong	Chemical Physics	Rank 420
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Countries with a similar count

Career-long list2023

Finland1,364 scientistsin 2023

Norway1,315 scientistsin 2023

Austria1,311 scientistsin 2023

Poland1,119 scientistsin 2023

New Zealand1,076 scientistsin 2023

Turkey1,040 scientistsin 2023

Explore other countries

Career-long list2023

China9,013 scientistsin 2023

Japan8,126 scientistsin 2023

South Korea2,120 scientistsin 2023

Taiwan1,669 scientistsin 2023

Macau54 scientistsin 2023

India2,578 scientistsin 2023

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Frequently asked questions

How many scientists from Hong Kong are in the 2023 Stanford Top 2% list?

1,452 scientists affiliated with Hong Kong are on the 2023 single-year list, and 1,176 are on the career-long list.

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

On the 2023 career-long list, The University of Hong Kong has the most listed scientists from Hong Kong, with 233. It is followed by The Hong Kong Polytechnic University with 196.

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 1,176 in 2023, a change of +33.9%.

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.