Hong Kong's Top 2% Scientists 2022

Hong Kong has 1,270 scientists on the 2022 single-year Top 2% list, up 3.5% from 1,227 in 2021. That places Hong Kong 21st in the world by number of listed scientists. The University of Hong Kong has the most listed scientists (234), followed by Hong Kong Polytechnic University (219).

Single Year

1,270

+43 (+3.5%) vs 2021

Career Data

1,099

+81 (+8.0%) vs 2021

World rank by count

#21

No change vs 2021

Institutes

+6 (+11.8%) vs 2021

Scientists in Hong Kong on the list, by year

The single-year count has grown 23% since 2020.

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 list2022

Show the list

All 1,270 scientists

Single-year list2022

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	157	ZH Zhang, Hua	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 7
2	500	WX Wang, Xiaogang	Chinese University of Hong Kong	Artificial Intelligence & Image Processing	Rank 30
3	657	PM Peiris, Malik	The University of Hong Kong Li Ka Shing Faculty of Medicine	Microbiology	Rank 10
4	724	HD Hui, David S.C.	Chinese University of Hong Kong	Respiratory System	Rank 3
5	861	ZG Zhao, Guochun	The University of Hong Kong	Geochemistry & Geophysics	Rank 4
6	940	TX Tang, Xiaoou	Chinese University of Hong Kong	Artificial Intelligence & Image Processing	Rank 48
7	1,034	PC Poon, Chi Sun	Hong Kong Polytechnic University	Building & Construction	Rank 6
8	1,185	WQ Weng, Qihao	Hong Kong Polytechnic University	Geological & Geomatics Engineering	Rank 6
9	1,348	YQ Yang, Qiang	Hong Kong University of Science and Technology	Artificial Intelligence & Image Processing	Rank 71
10	1,521	SC Song, Chunshan	Chinese University of Hong Kong	Energy	Rank 32
11	1,631	NS Ng, Siew C.	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 22
12	1,685	QS Qin, S. Joe	City University of Hong Kong	Industrial Engineering & Automation	Rank 9
13	1,753	CG Chen, Guanrong	City University of Hong Kong	Fluids & Plasmas	Rank 13
14	1,766	CP Chu, Paul K.	City University of Hong Kong	Applied Physics	Rank 56
15	1,921	CK Chau, Kwok wing	Hong Kong Polytechnic University	Environmental Engineering	Rank 9
16	2,035	YK Yuen, Kwok Yung	The University of Hong Kong Li Ka Shing Faculty of Medicine	Microbiology	Rank 38
17	2,092	LD Leung, Dennis Y.C.	The University of Hong Kong	Energy	Rank 42
18	2,220	GP Gong, Peng	The University of Hong Kong	Geological & Geomatics Engineering	Rank 9
19	2,270	NT Ng, Thomas W.H.	HKU Business School	Business & Management	Rank 48
20	2,316	WJ Woo, Jean	Chinese University of Hong Kong	Nutrition & Dietetics	Rank 10
21	2,497	WM Wong, Ming Hung	The Education University of Hong Kong	Environmental Sciences	Rank 22
22	2,795	MT Mok, Tony	Chinese University of Hong Kong	Oncology & Carcinogenesis	Rank 93
23	2,949	ZX Zhang, Xiang	The University of Hong Kong	Optics	Rank 17
24	2,983	CG Chen, Guohua	Hong Kong Polytechnic University	Chemical Engineering	Rank 12
25	3,036	CB Cowling, Benjamin J.	The University of Hong Kong Li Ka Shing Faculty of Medicine	Microbiology	Rank 61
26	3,068	RA Rogach, Andrey L.	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 104
27	3,145	TS Tjong, Sie Chin	City University of Hong Kong	Materials	Rank 50
28	3,180	Jim, C. Y.	The Education University of Hong Kong	Forestry	Rank 2
29	3,188	WV Wong, Vincent Wai Sun	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 45
30	3,273	CJ Chan, Jasper Fuk Woo	The University of Hong Kong, State Key Laboratory of Emerging Infectious Diseases	Microbiology	Rank 65
31	3,335	NM Ni, Meng	Hong Kong Polytechnic University	Energy	Rank 61
32	3,412	LH Lo, Hoi Kwong	The University of Hong Kong	General Physics	Rank 24
33	3,428	CD Carless, David	The University of Hong Kong	Education	Rank 30
34	3,465	SD Shek, Daniel T.L.	Hong Kong Polytechnic University	Endocrinology & Metabolism	Rank 72
35	3,549	HK Hew, Khe Foon	The University of Hong Kong	Education	Rank 32
36	3,900	TJ Teng, Jin Guang	Hong Kong Polytechnic University	Civil Engineering	Rank 10
37	3,905	ZL Zhang, Lei	Hong Kong Polytechnic University	Artificial Intelligence & Image Processing	Rank 137
38	3,940	ZQ Zhang, Qichun	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 127
39	4,310	YP Yip, Paul	The University of Hong Kong	Psychiatry	Rank 113
40	4,384	LY Li, Yuguo	The University of Hong Kong	Building & Construction	Rank 21
41	4,481	ZC Zhi, Chunyi	City University of Hong Kong	Nanoscience & Nanotechnology	Rank 141
42	4,495	SP Sheng, Ping	Hong Kong University of Science and Technology	Applied Physics	Rank 108
43	5,037	ZX Zhang, Xiaoling	City University of Hong Kong	Environmental Sciences	Rank 52
44	5,044	FG Feng, Gang	City University of Hong Kong	Industrial Engineering & Automation	Rank 52
45	5,070	CT Cheng, T. C.Edwin	Hong Kong Polytechnic University	Operations Research	Rank 19
46	5,099	DD Dudgeon, David	The University of Hong Kong	Marine Biology & Hydrobiology	Rank 22
47	5,189	ZQ Zhang, Qingfu	City University of Hong Kong	Artificial Intelligence & Image Processing	Rank 171
48	5,229	NC Ng, Charles Wang Wai	Hong Kong University of Science and Technology	Geological & Geomatics Engineering	Rank 43
49	5,257	LY Lo, Y. M.Dennis	Chinese University of Hong Kong	General Clinical Medicine	Rank 3
50	5,273	WP Wang, Peng	Hong Kong Polytechnic University	Nanoscience & Nanotechnology	Rank 162
51	5,376	LC Liu, Chain Tsuan	City University of Hong Kong	Materials	Rank 72
52	5,600	JJ Jia, Jiaya	Chinese University of Hong Kong	Artificial Intelligence & Image Processing	Rank 189
53	5,863	CW Cho, William C.S.	Queen Elizabeth Hospital Hong Kong	Oncology & Carcinogenesis	Rank 227
54	6,089	CQ Chen, Qingyan	Hong Kong Polytechnic University	Building & Construction	Rank 28
55	6,146	BI Benzie, Iris F.F.	Hong Kong Polytechnic University	Nutrition & Dietetics	Rank 40
56	6,258	WW Wang, William Shiyuan	Hong Kong Polytechnic University	Artificial Intelligence & Image Processing	Rank 211
57	6,310	YH Yang, Hai	Hong Kong University of Science and Technology	Logistics & Transportation	Rank 15
58	6,607	LG Leung, Gabriel M.	The University of Hong Kong Li Ka Shing Faculty of Medicine	Epidemiology	Rank 16
59	6,616	TK To, Kelvin Kai Wang	The University of Hong Kong, State Key Laboratory of Emerging Infectious Diseases	Microbiology	Rank 140
60	6,637	CA Chan, Albert P.C.	Hong Kong Polytechnic University	Building & Construction	Rank 30
61	6,707	CT Chow, Tin tai	City University of Hong Kong	Building & Construction	Rank 32
62	6,821	Zhou, Kevin Zheng	HKU Business School	Marketing	Rank 31
63	7,140	ZJ Zhang, Jianhua	Hong Kong Baptist University	Plant Biology & Botany	Rank 94
64	7,233	PR Poon, Ronnie Tung Ping	Queen Mary Hospital Hong Kong	Oncology & Carcinogenesis	Rank 267
65	7,248	CC Cheung, Christy M.K.	Hong Kong Baptist University	Information Systems	Rank 22
66	7,318	VP Vanhoutte, Paul M.	The University of Hong Kong	Cardiovascular System & Hematology	Rank 244
67	7,339	ZT Zhang, Tong	Hong Kong University of Science and Technology	Artificial Intelligence & Image Processing	Rank 244
68	7,398	YV Yam, Vivian Wing Wah	The University of Hong Kong	General Chemistry	Rank 39
69	7,500	WG Wong, Grace Lai Hung	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 90
70	7,523	TC Tang, Chuyang Y.	The University of Hong Kong	Chemical Engineering	Rank 35
71	7,599	NE Ng, Edward	Chinese University of Hong Kong	Building & Construction	Rank 40
72	7,699	WJ Wang, Jun	City University of Hong Kong	Artificial Intelligence & Image Processing	Rank 260
73	7,738	CJ Chan, Johnny C.L.	City University of Hong Kong	Meteorology & Atmospheric Sciences	Rank 140
74	8,318	ZT Zhang, Tong	The University of Hong Kong	Environmental Sciences	Rank 90
75	8,346	LH Lan, Hui Yao	Chinese University of Hong Kong	Urology & Nephrology	Rank 46
76	8,381	LI Lee, Icy	Chinese University of Hong Kong	Languages & Linguistics	Rank 26
77	8,459	LL Leung, Louis	Chinese University of Hong Kong	Communication & Media Studies	Rank 27
78	8,533	KA Kwan, A. K.H.	The University of Hong Kong	Building & Construction	Rank 50
79	8,674	WP Woo, Patrick C.Y.	The University of Hong Kong Li Ka Shing Faculty of Medicine	Microbiology	Rank 190
80	8,925	CP Chan, Paul Kay Sheung	Chinese University of Hong Kong, Faculty of Medicine	Virology	Rank 46
81	8,940	LK Lai, Kee hung	Hong Kong Polytechnic University	Operations Research	Rank 36
82	9,137	YB Young, Ben	Hong Kong Polytechnic University	Civil Engineering	Rank 32
83	9,336	LS Lee, Sing	Chinese University of Hong Kong	Psychiatry	Rank 216
84	9,412	CH Chan, Henry Lik Yuen	Chinese University of Hong Kong	Gastroenterology & Hepatology	Rank 115
85	9,508	NT Ng, Tzi Bun	Chinese University of Hong Kong, Faculty of Medicine	Biochemistry & Molecular Biology	Rank 226
86	9,558	HW Ho, Wingkei	The Education University of Hong Kong	Physical Chemistry	Rank 39
87	9,731	TK Tu, King Ning	City University of Hong Kong	Applied Physics	Rank 197
88	9,756	NE Ngai, Eric W.T.	Hong Kong Polytechnic University	Information Systems	Rank 30
89	9,801	TD Tsang, Daniel C.W.	Hong Kong Polytechnic University	Environmental Sciences	Rank 102
90	10,022	CC Che, Chi Ming	The University of Hong Kong	Organic Chemistry	Rank 140
91	10,064	HD Hill, David J.	The University of Hong Kong	Industrial Engineering & Automation	Rank 97
92	10,470	CS Cheng, Sheung Tak	The Education University of Hong Kong	Geriatrics	Rank 20
93	10,548	KA Kumar, Ajay	Hong Kong Polytechnic University	Artificial Intelligence & Image Processing	Rank 351
94	10,591	CF Ciucci, Francesco	Hong Kong University of Science and Technology	Energy	Rank 206
95	10,594	TC Tang, Ching W.	Hong Kong University of Science and Technology	Applied Physics	Rank 216
96	10,632	LS Lee, Shing Yip	Chinese University of Hong Kong	Marine Biology & Hydrobiology	Rank 56
97	10,687	YJ Yang, Jun	The University of Hong Kong	Geological & Geomatics Engineering	Rank 89
98	10,802	LW Lu, Weisheng	The University of Hong Kong	Building & Construction	Rank 60
99	11,032	DC Ding, Cunsheng	Hong Kong University of Science and Technology	Networking & Telecommunications	Rank 94
100	11,274	TR Tuan, Rocky S.	Chinese University of Hong Kong	Developmental Biology	Rank 398
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Countries with a similar count

Single-year list2022

Belgium1,872 scientistsin 2022

Israel1,537 scientistsin 2022

Taiwan1,340 scientistsin 2022

Brazil1,263 scientistsin 2022

Austria1,261 scientistsin 2022

Turkey1,231 scientistsin 2022

Explore other countries

Single-year list2022

China19,310 scientistsin 2022

Japan5,496 scientistsin 2022

South Korea2,980 scientistsin 2022

Macau85 scientistsin 2022

India3,761 scientistsin 2022

Iran1,943 scientistsin 2022

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Frequently asked questions

How many scientists from Hong Kong are in the 2022 Stanford Top 2% list?

1,270 scientists affiliated with Hong Kong are on the 2022 single-year list, and 1,099 are on the career-long list.

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

On the 2022 single-year list, The University of Hong Kong has the most listed scientists from Hong Kong, with 234. It is followed by Hong Kong Polytechnic University with 219.

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

On the single-year list, Hong Kong went from 1,033 scientists in 2020 to 1,270 in 2022, a change of +22.9%.

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.