Hong Kong's Top 2% Scientists 2020

Hong Kong has 1,033 scientists on the 2020 single-year Top 2% list. That places Hong Kong 21st in the world by number of listed scientists. The University of Hong Kong has the most listed scientists (205), followed by Hong Kong Polytechnic University (185).

Single Year

1,033

First year listed

Career Data

878

First year listed

World rank by count

#21

First year listed

Institutes

First year listed

Scientists in Hong Kong on the list, by year

Single-year list, change on the previous year

2021+18.8%

2022+3.5%

2023+14.3%

2024+5.7%

2025+18.4%

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

Single-year list2020

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All 1,033 scientists

Single-year list2020

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	84	ZH Zhang, Hua	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 7
2	425	ZG Zhao, Guochun	The University of Hong Kong	Geochemistry & Geophysics	Rank 5
3	427	TX Tang, Xiaoou	Chinese University of Hong Kong	Artificial Intelligence & Image Processing	Rank 28
4	552	TB Tang, Ben Zhong	Hong Kong University of Science and Technology	Polymers	Rank 3
5	734	CG Chen, Guanrong	City University of Hong Kong	Fluids & Plasmas	Rank 12
6	1,152	CP Chu, Paul K.	City University of Hong Kong	Applied Physics	Rank 40
7	1,225	PC Poon, Chi Sun	Hong Kong Polytechnic University	Building & Construction	Rank 6
8	1,451	LR Law, Rob	School of Hotel and Tourism Management, The Hong Kong Polytechnic University	Sport, Leisure & Tourism	Rank 3
9	1,686	KM Kwan, Mei Po	Chinese University of Hong Kong	Geography	Rank 6
10	1,761	CK Chau, Kwok wing	Hong Kong Polytechnic University	Environmental Engineering	Rank 8
11	1,802	CG Chen, Guohua	Hong Kong Polytechnic University	Chemical Engineering	Rank 14
12	1,991	WM Wong, Minghung	The Education University of Hong Kong	Environmental Sciences	Rank 16
13	2,105	LK Liew, K. M.	City University of Hong Kong	Applied Mathematics	Rank 11
14	2,392	LD Leung, D. Y.C.	The University of Hong Kong	Energy	Rank 51
15	2,456	RA Rogach, Andrey L.	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 84
16	2,662	TS Tjong, Sie Chin	City University of Hong Kong	Polymers	Rank 18
17	2,790	FG Feng, Gang	City University of Hong Kong	Industrial Engineering & Automation	Rank 33
18	2,904	MT Mok, T. S.K.	Chinese University of Hong Kong	Oncology & Carcinogenesis	Rank 97
19	2,915	CT Chan, Tony F.	Hong Kong University of Science and Technology	Artificial Intelligence & Image Processing	Rank 112
20	2,917	Choi, Tsan Ming	Hong Kong Polytechnic University	Operations Research	Rank 9
21	2,950	NT Ng, Thomas W.H.	The University of Hong Kong	Business & Management	Rank 74
22	3,009	TJ Teng, J. G.	Hong Kong Polytechnic University	Civil Engineering	Rank 4
23	3,054	ZL Zhang, Lei	Hong Kong Polytechnic University	Artificial Intelligence & Image Processing	Rank 115
24	3,187	JC Jim, Chi Yung	The Education University of Hong Kong	Urban & Regional Planning	Rank 9
25	3,284	SM Shao, Minhua	Hong Kong University of Science and Technology	Nanoscience & Nanotechnology	Rank 106
26	3,300	HS Hui, Shu Yuen	The University of Hong Kong	Electrical & Electronic Engineering	Rank 9
27	3,379	CT Cheng, T. C.E.	Hong Kong Polytechnic University	Operations Research	Rank 12
28	3,448	YQ Yang, Qiang	Hong Kong University of Science and Technology	Artificial Intelligence & Image Processing	Rank 126
29	3,549	QL Qi, Liqun	Hong Kong Polytechnic University	Operations Research	Rank 14
30	3,578	CF Chan, Felix T.S.	Hong Kong Polytechnic University	Operations Research	Rank 15
31	3,761	WJ Woo, Jean	Chinese University of Hong Kong	Geriatrics	Rank 8
32	3,853	NM Ni, Meng	Hong Kong Polytechnic University	Energy	Rank 77
33	3,893	ZQ Zhang, Qingfu	City University of Hong Kong	Artificial Intelligence & Image Processing	Rank 138
34	3,896	MB McKercher, Bob	School of Hotel and Tourism Management, The Hong Kong Polytechnic University	Sport, Leisure & Tourism	Rank 11
35	4,161	LY Lo, Y. M.Dennis	Chinese University of Hong Kong	General Clinical Medicine	Rank 2
36	4,251	SJ Sung, Joseph J.Y.	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 43
37	4,334	NS Ng, Siew Chien	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 45
38	4,434	CJ Chan, Johnny C.L.	City University of Hong Kong	Meteorology & Atmospheric Sciences	Rank 75
39	4,650	ZX Zhang, Xiaoling	City University of Hong Kong	Environmental Sciences	Rank 47
40	4,843	DC Ding, Cunsheng	Hong Kong University of Science and Technology	Networking & Telecommunications	Rank 43
41	4,853	NE Ngai, Eric W.T.	Hong Kong Polytechnic University	Information Systems	Rank 15
42	5,049	PR Poon, Ronnie T.	The University of Hong Kong	Oncology & Carcinogenesis	Rank 172
43	5,061	BI Benzie, Iris F.F.	Hong Kong Polytechnic University	Nutrition & Dietetics	Rank 31
44	5,207	WJ Wang, Jun	City University of Hong Kong	Artificial Intelligence & Image Processing	Rank 176
45	5,283	Zhou, Kevin Zheng	The University of Hong Kong	Marketing	Rank 29
46	5,427	LC Liu, C. S.	City University of Hong Kong	Materials	Rank 93
47	5,429	CA Chan, Albert P.C.	Hong Kong Polytechnic University	Building & Construction	Rank 23
48	5,534	YH Yang, Hai	Hong Kong University of Science and Technology	Logistics & Transportation	Rank 13
49	5,541	KA Kumar, Ajay	Hong Kong Polytechnic University	Artificial Intelligence & Image Processing	Rank 185
50	5,564	KJ Kim, Jang Kyo	Hong Kong University of Science and Technology	Materials	Rank 98
51	5,719	JJ Jia, Jiaya	Chinese University of Hong Kong	Artificial Intelligence & Image Processing	Rank 191
52	5,747	SN Shah, Nagendra P.	The University of Hong Kong	Food Science	Rank 24
53	5,889	ZD Zhang, David	Hong Kong Polytechnic University	Artificial Intelligence & Image Processing	Rank 205
54	5,947	LJ Lau, Joseph	Chinese University of Hong Kong	Public Health	Rank 64
55	6,027	DD Dudgeon, David	The University of Hong Kong	Marine Biology & Hydrobiology	Rank 27
56	6,049	TM Tonetti, Maurizio	The University of Hong Kong	Dentistry	Rank 15
57	6,215	ZC Zhi, Chunyi	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 188
58	6,247	VP Vanhoutte, Paul M.	The University of Hong Kong, State Key Laboratory of Pharmaceutical Biotechnology	Pharmacology & Pharmacy	Rank 33
59	6,351	WP Wang, Peng	Hong Kong Polytechnic University	Nanoscience & Nanotechnology	Rank 193
60	6,449	GF Gao, F.	Jiaxing University	Materials	Rank 118
61	6,468	WV Wong, Vincent Wai Sun	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 75
62	6,526	LH Lan, Hui Yao	Chinese University of Hong Kong	Urology & Nephrology	Rank 32
63	6,725	ZJ Zhang, Jianhua	Hong Kong Baptist University	Plant Biology & Botany	Rank 75
64	6,783	LS Lee, Shun Cheng	Hong Kong Polytechnic University	Meteorology & Atmospheric Sciences	Rank 128
65	7,302	YV Yam, Vivian Wing Wah	The University of Hong Kong	Organic Chemistry	Rank 125
66	7,479	HD Hill, David J.	The University of Hong Kong	Industrial Engineering & Automation	Rank 83
67	7,856	HK Hew, Khe Foon	The University of Hong Kong	Education	Rank 57
68	7,934	SC Shing Cho, William Chi	Queen Elizabeth Hospital Hong Kong	Oncology & Carcinogenesis	Rank 294
69	7,998	ZT Zhang, Tong	The University of Hong Kong	Environmental Sciences	Rank 78
70	8,124	TC Tang, Ching W.	Hong Kong University of Science and Technology	Applied Physics	Rank 173
71	8,213	SD Shek, Daniel T.L.	Hong Kong Polytechnic University	Endocrinology & Metabolism	Rank 167
72	8,230	RJ Ren, Jingzheng	Hong Kong Polytechnic University	Energy	Rank 160
73	8,324	JA Jen, Alex K.Y.	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 235
74	8,350	YJ Yu, Jimmy C.	Chinese University of Hong Kong	Nanoscience & Nanotechnology	Rank 237
75	8,489	HW Ho, Wingkei	The Education University of Hong Kong	Physical Chemistry	Rank 49
76	8,494	ZM Zhou, Mei Fu	The University of Hong Kong	Geochemistry & Geophysics	Rank 147
77	8,685	LJ Lam, James	The University of Hong Kong	Industrial Engineering & Automation	Rank 102
78	8,735	NC Ng, C. W.W.	Hong Kong University of Science and Technology	Geological & Geomatics Engineering	Rank 71
79	8,970	TJ Thong, James Y.L.	Hong Kong University of Science and Technology	Information Systems	Rank 26
80	9,030	LP Loh, Poh Chiang	Chinese University of Hong Kong	Electrical & Electronic Engineering	Rank 30
81	9,185	CD Carless, David	The University of Hong Kong	Education	Rank 70
82	9,512	MC Mok, Chi Chiu	Tuen Mun Hospital	Arthritis & Rheumatology	Rank 56
83	9,527	NT Ng, Tzi Bun	Chinese University of Hong Kong	Biochemistry & Molecular Biology	Rank 181
84	9,692	TC Tang, Chuyang Y.	The University of Hong Kong	Chemical Engineering	Rank 58
85	9,741	FM Firth, Michael	Lingnan University, Hong Kong	Finance	Rank 45
86	9,879	AD Ahlstrom, David	Chinese University of Hong Kong	Business & Management	Rank 255
87	10,050	LG Lin, George C.S.	The University of Hong Kong	Geography	Rank 40
88	10,099	WW Wang, Wenxiong	Hong Kong University of Science and Technology	Environmental Sciences	Rank 98
89	10,101	WS Wang, Shengwei	Hong Kong Polytechnic University	Building & Construction	Rank 46
90	10,135	NM Ng, Michael K.	The University of Hong Kong	Artificial Intelligence & Image Processing	Rank 328
91	10,267	LK Leung, Kwok	Chinese University of Hong Kong	Business & Management	Rank 266
92	10,498	WR Walker, Richard M.	City University of Hong Kong	Political Science & Public Administration	Rank 48
93	10,870	HJ Huang, Jie	Chinese University of Hong Kong	Industrial Engineering & Automation	Rank 129
94	10,879	YB Young, Ben	Hong Kong Polytechnic University	Civil Engineering	Rank 31
95	11,230	GJ Gu, Ji Dong	The University of Hong Kong	Biotechnology	Rank 34
96	11,351	MC McBride, Catherine	Chinese University of Hong Kong	Education	Rank 85
97	11,435	SS Smale, Steve	City University of Hong Kong	Numerical & Computational Mathematics	Rank 22
98	11,591	FS Fan, Sheung T.	Hong Kong Sanatorium and Hospital	Surgery	Rank 26
99	11,818	CK Chau, K. T.	The University of Hong Kong	Electrical & Electronic Engineering	Rank 37
100	11,903	LP Lee, Paul H.	Hong Kong Polytechnic University	General & Internal Medicine	Rank 152
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Countries with a similar count

Single-year list2020

Israel1,290 scientistsin 2020

Iran1,154 scientistsin 2020

Taiwan1,097 scientistsin 2020

Austria984 scientistsin 2020

Singapore968 scientistsin 2020

Norway922 scientistsin 2020

Explore other countries

Single-year list2020

China12,955 scientistsin 2020

Japan4,484 scientistsin 2020

South Korea2,139 scientistsin 2020

Macau50 scientistsin 2020

India2,313 scientistsin 2020

Turkey857 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 single-year list, The University of Hong Kong has the most listed scientists from Hong Kong, with 205. It is followed by Hong Kong Polytechnic University with 185.

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.