Hong Kong's Top 2% Scientists 2020: Career-Long List

Hong Kong has 878 scientists on the 2020 career-long Top 2% list. That places Hong Kong 23rd in the world by number of listed scientists. The University of Hong Kong has the most listed scientists (187), followed by Hong Kong Polytechnic University (152).

Single Year

1,033

First year listed

Career Data

878

First year listed

World rank by count

#23

First year listed

Institutes

First year listed

Scientists in Hong Kong on the list, by year

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 list2020

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All 878 scientists

Career-long list2020

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Rank in Hong Kong	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	842	CG Chen, Guanrong	City University of Hong Kong	Fluids & Plasmas	Rank 10
2	1,465	ZH Zhang, Hua	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 39
3	1,856	TB Tang, Ben Zhong	Hong Kong University of Science and Technology	Polymers	Rank 7
4	2,218	SJ Sung, Joseph J.Y.	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 33
5	2,363	ZG Zhao, Guochun	The University of Hong Kong	Geochemistry & Geophysics	Rank 18
6	2,468	YV Yam, Vivian Wing Wah	The University of Hong Kong	Organic Chemistry	Rank 67
7	2,473	GF Gao, F.	Jiaxing University	Materials	Rank 28
8	2,536	CJ Chan, John K.C.	Queen Elizabeth Hospital Hong Kong	Pathology	Rank 12
9	2,582	TC Tang, Ching W.	Hong Kong University of Science and Technology	Applied Physics	Rank 78
10	2,697	FS Fan, Sheung T.	Hong Kong Sanatorium and Hospital	Surgery	Rank 10
11	2,861	LY Lo, Y. M.Dennis	Chinese University of Hong Kong	General Clinical Medicine	Rank 1
12	2,933	WM Wong, Minghung	The Education University of Hong Kong	Environmental Sciences	Rank 6
13	3,246	TS Tjong, Sie Chin	City University of Hong Kong	Polymers	Rank 19
14	3,250	PR Poon, Ronnie T.	The University of Hong Kong	Oncology & Carcinogenesis	Rank 169
15	3,256	FG Feng, Gang	City University of Hong Kong	Industrial Engineering & Automation	Rank 14
16	3,263	CP Chu, Paul K.	City University of Hong Kong	Applied Physics	Rank 88
17	3,735	CT Cheng, T. C.E.	Hong Kong Polytechnic University	Operations Research	Rank 5
18	3,767	CT Chan, Tony F.	Hong Kong University of Science and Technology	Artificial Intelligence & Image Processing	Rank 80
19	4,147	TX Tang, Xiaoou	Chinese University of Hong Kong	Artificial Intelligence & Image Processing	Rank 83
20	4,379	PM Peiris, Malik	The University of Hong Kong Li Ka Shing Faculty of Medicine	Virology	Rank 26
21	4,485	RA Rogach, Andrey L.	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 74
22	4,854	CG Chen, Guohua	Hong Kong Polytechnic University	Chemical Engineering	Rank 15
23	5,110	TR Tuan, Rocky S.	Chinese University of Hong Kong	Biomedical Engineering	Rank 29
24	5,358	LC Liu, C. S.	City University of Hong Kong	Materials	Rank 68
25	5,453	WW Wong, Wai Yeung	Hong Kong Polytechnic University	Inorganic & Nuclear Chemistry	Rank 29
26	5,832	SP Sham, Pak C.	The University of Hong Kong Li Ka Shing Faculty of Medicine	Psychiatry	Rank 175
27	6,374	CF Chan, Felix T.S.	Hong Kong Polytechnic University	Operations Research	Rank 10
28	6,516	TM Tonetti, Maurizio	The University of Hong Kong	Dentistry	Rank 21
29	7,085	NT Ng, Tzi Bun	Chinese University of Hong Kong	Biochemistry & Molecular Biology	Rank 317
30	7,113	LC Lo, Chung Mau	The University of Hong Kong	Surgery	Rank 43
31	7,349	LJ Lam, James	The University of Hong Kong	Industrial Engineering & Automation	Rank 46
32	7,427	KM Kwan, Mei Po	Chinese University of Hong Kong	Geography	Rank 13
33	7,463	WJ Woo, Jean	Chinese University of Hong Kong	Geriatrics	Rank 19
34	7,746	SN Shah, Nagendra P.	The University of Hong Kong	Food Science	Rank 17
35	7,828	PC Poon, Chi Sun	Hong Kong Polytechnic University	Building & Construction	Rank 5
36	7,891	LJ Lau, Joseph	Chinese University of Hong Kong	Public Health	Rank 66
37	8,116	YH Yang, Hai	Hong Kong University of Science and Technology	Logistics & Transportation	Rank 7
38	8,500	WJ Wang, Jun	City University of Hong Kong	Artificial Intelligence & Image Processing	Rank 152
39	8,576	CK Chau, Kwok wing	Hong Kong Polytechnic University	Environmental Engineering	Rank 18
40	8,649	BI Benzie, Iris F.F.	Hong Kong Polytechnic University	Nutrition & Dietetics	Rank 72
41	9,046	SS Smale, Steve	City University of Hong Kong	Numerical & Computational Mathematics	Rank 5
42	9,662	MT Mok, T. S.K.	Chinese University of Hong Kong	Oncology & Carcinogenesis	Rank 477
43	9,850	NT Nieh, Tai Gang	City University of Hong Kong	Materials	Rank 116
44	10,219	BM Bond, Michael Harris	Hong Kong Polytechnic University	Social Psychology	Rank 113
45	10,441	LW Lau, Wan Yee	Chinese University of Hong Kong	Surgery	Rank 69
46	10,583	TL Tsui, Lap Chee	The University of Hong Kong	Genetics & Heredity	Rank 51
47	10,663	HD Hill, David J.	The University of Hong Kong	Industrial Engineering & Automation	Rank 68
48	10,771	YQ Yang, Qiang	Hong Kong University of Science and Technology	Artificial Intelligence & Image Processing	Rank 176
49	10,944	LK Leung, Kwok	Chinese University of Hong Kong	Business & Management	Rank 79
50	11,078	LC Lai, Ching Lung	The University of Hong Kong	Gastroenterology & Hepatology	Rank 188
51	11,249	LR Law, Rob	School of Hotel and Tourism Management, The Hong Kong Polytechnic University	Sport, Leisure & Tourism	Rank 5
52	11,350	LC Lee, Chung Yee	Hong Kong University of Science and Technology	Operations Research	Rank 19
53	11,531	SD Shek, Daniel T.L.	Hong Kong Polytechnic University	Endocrinology & Metabolism	Rank 343
54	11,622	MT Mak, Thomas C.W.	Chinese University of Hong Kong	Inorganic & Nuclear Chemistry	Rank 77
55	11,737	CF Chan, Francis K.L.	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 195
56	11,759	DD Dudgeon, David	The University of Hong Kong	Marine Biology & Hydrobiology	Rank 52
57	12,018	LS Lee, Sing	Chinese University of Hong Kong	Psychiatry	Rank 339
58	12,045	MC Mok, Chi Chiu	Tuen Mun Hospital	Arthritis & Rheumatology	Rank 109
59	12,067	HK Herrup, Karl	Hong Kong University of Science and Technology	Neurology & Neurosurgery	Rank 1,064
60	12,136	NE Ngai, Eric W.T.	Hong Kong Polytechnic University	Information Systems	Rank 22
61	12,160	BC Blakemore, Colin	The University of Hong Kong	Neurology & Neurosurgery	Rank 1,069
62	12,482	WC Wu, Chi	Chinese University of Hong Kong	Polymers	Rank 106
63	12,552	TJ Teng, J. G.	Hong Kong Polytechnic University	Civil Engineering	Rank 7
64	12,626	SW Shyy, Wei	Hong Kong University of Science and Technology	Aerospace & Aeronautics	Rank 13
65	12,871	KY Kwong, Yok Lam	Queen Mary Hospital Hong Kong	Immunology	Rank 486
66	13,254	WF Wu, Felix F.	The University of Hong Kong	Energy	Rank 99
67	13,459	TC Tse, Chi K.	City University of Hong Kong	Electrical & Electronic Engineering	Rank 28
68	13,784	ZJ Zhang, Jianhua	Hong Kong Baptist University	Plant Biology & Botany	Rank 125
69	14,197	JA Jen, Alex K.Y.	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 151
70	14,628	QL Qi, Liqun	Hong Kong Polytechnic University	Operations Research	Rank 26
71	14,729	Letaief, Khaled Ben	Hong Kong University of Science and Technology	Networking & Telecommunications	Rank 119
72	15,204	CJ Chan, Johnny C.L.	City University of Hong Kong	Meteorology & Atmospheric Sciences	Rank 170
73	15,727	FH Fang, Herbert H.P.	The University of Hong Kong	Environmental Engineering	Rank 45
74	15,810	ZM Zhou, Mei Fu	The University of Hong Kong	Geochemistry & Geophysics	Rank 230
75	16,141	LM Lyu, Michael R.	Chinese University of Hong Kong	Artificial Intelligence & Image Processing	Rank 278
76	16,212	MB McKercher, Bob	School of Hotel and Tourism Management, The Hong Kong Polytechnic University	Sport, Leisure & Tourism	Rank 11
77	16,220	WR Wu, Rudolf S.S.	The Education University of Hong Kong	Marine Biology & Hydrobiology	Rank 79
78	16,340	SJ Sanderson, John E.	Prince of Wales Hospital Hong Kong	Cardiovascular System & Hematology	Rank 737
79	16,445	LS Lee, Shun Cheng	Hong Kong Polytechnic University	Meteorology & Atmospheric Sciences	Rank 182
80	16,527	HS Hui, Shu Yuen	The University of Hong Kong	Electrical & Electronic Engineering	Rank 38
81	16,674	NM Ni, Meng	Hong Kong Polytechnic University	Energy	Rank 130
82	16,695	SC Shing Cho, William Chi	Queen Elizabeth Hospital Hong Kong	Oncology & Carcinogenesis	Rank 818
83	16,904	ZD Zhang, David	Hong Kong Polytechnic University	Artificial Intelligence & Image Processing	Rank 289
84	17,501	HI Horvath, Istvan T.	City University of Hong Kong	Organic Chemistry	Rank 385
85	17,502	NI Ng, Irene Oi Lin	The University of Hong Kong	Oncology & Carcinogenesis	Rank 860
86	17,646	FM Firth, Michael	Lingnan University, Hong Kong	Finance	Rank 26
87	17,906	CA Chan, A. T.C.	Prince of Wales Hospital Hong Kong	Oncology & Carcinogenesis	Rank 888
88	17,971	CH Chan, Henry L.Y.	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 292
89	18,113	TD Tjosvold, Dean	Lingnan University, Hong Kong	Business & Management	Rank 137
90	18,273	TN Tam, Nora Fung Yee	City University of Hong Kong	Environmental Sciences	Rank 74
91	18,314	LK Lo, Kenneth Kam Wing	City University of Hong Kong	Inorganic & Nuclear Chemistry	Rank 124
92	18,360	JC Jim, Chi Yung	The Education University of Hong Kong	Urban & Regional Planning	Rank 16
93	18,494	WJ Wong, John	The University of Hong Kong	Surgery	Rank 139
94	18,597	KJ Kim, Jang Kyo	Hong Kong University of Science and Technology	Materials	Rank 208
95	18,788	CP Chan, Paul K.S.	Chinese University of Hong Kong	Virology	Rank 156
96	18,947	LK Lai, Kar N.	The University of Hong Kong	Urology & Nephrology	Rank 218
97	19,048	LD Leung, D. Y.C.	The University of Hong Kong	Energy	Rank 157
98	19,109	LT Lee, T. H.	Hong Kong Sanatorium and Hospital	Allergy	Rank 62
99	19,666	YK Yuen, K. Y.	The University of Hong Kong Li Ka Shing Faculty of Medicine	Microbiology	Rank 472
100	19,985	WK Wong, Ka Sing	Prince of Wales Hospital Hong Kong	Neurology & Neurosurgery	Rank 1,645
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Countries with a similar count

Career-long list2020

Finland1,037 scientistsin 2020

Austria962 scientistsin 2020

Norway947 scientistsin 2020

New Zealand803 scientistsin 2020

Singapore757 scientistsin 2020

Poland726 scientistsin 2020

Explore other countries

Career-long list2020

Japan6,316 scientistsin 2020

China5,273 scientistsin 2020

South Korea1,350 scientistsin 2020

Taiwan1,151 scientistsin 2020

Macau22 scientistsin 2020

Israel1,630 scientistsin 2020

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Frequently asked questions

How many scientists from Hong Kong are in the 2020 Stanford Top 2% list?

1,033 scientists affiliated with Hong Kong are on the 2020 single-year list, and 878 are on the career-long list.

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

On the 2020 career-long list, The University of Hong Kong has the most listed scientists from Hong Kong, with 187. It is followed by Hong Kong Polytechnic University with 152.

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.