Thailand's Top 2% Scientists 2021: Career-Long List

Thailand has 191 scientists on the 2021 career-long Top 2% list, up 40.4% from 136 in 2020. That places Thailand 42nd in the world by number of listed scientists. Chulalongkorn University has the most listed scientists (26), followed by Mahidol University (17).

Single Year

263

+76 (+40.6%) vs 2020

Career Data

191

+55 (+40.4%) vs 2020

World rank by count

#42

No change vs 2020

Institutes

+9 (+21.4%) vs 2020

Scientists in Thailand on the list, by year

The career-long count has grown 40% since 2020.

Career-long list, change on the previous year

2021+40.4%

2022+9.4%

2023+10.0%

2024+8.7%

2025+20.8%

Show the numbers

Year	Single Year	Change	Career Data	Change
2020	187		136
2021	263	+40.6%	191	+40.4%
2022	300	+14.1%	209	+9.4%
2023	341	+13.7%	230	+10.0%
2024	392	+15.0%	250	+8.7%
2025	454	+15.8%	302	+20.8%

Top 10 institutes in Thailand

By number of listed scientists

Career-long list2021

Show the list

All 191 scientists

Career-long list2021

The first 100 are free to browse.

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Rank in Thailand	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	8,943	HK Hyde, Kevin D.	Mae Fah Luang University	Mycology & Parasitology	Rank 11
2	9,678	MC Morley, C. K.	PTT Exploration and Production Public Company Limited	Geochemistry & Geophysics	Rank 112
3	15,736	NF Nosten, François	Shoklo Malaria Research Unit	Tropical Medicine	Rank 15
4	17,666	OM Ogawa, Makoto	Vidyasirimedhi Institute of Science and Technology	Chemical Physics	Rank 440
5	17,923	WS Wongwises, Somchai	King Mongkut's University of Technology Thonburi	Mechanical Engineering & Transports	Rank 105
6	19,464	VD van Doorn, Wouter G.	Kasetsart University, Kamphaeng Saen Campus	Plant Biology & Botany	Rank 205
7	20,743	DS Dowell, Scott F.	Thailand Ministry of Public Health	Microbiology	Rank 500
8	20,969	SP Supaphol, Pitt	Chulalongkorn University	Polymers	Rank 191
9	24,329	NN Nakabayashi, Nobuo	Chulalongkorn University	Biomedical Engineering	Rank 107
10	25,055	LS Looareesuwan, Sornchai	Hospital for Tropical Diseases, Bangkok	Tropical Medicine	Rank 33
11	30,407	PP Promvonge, Pongjet	King Mongkut's Institute of Technology Ladkrabang	Mechanical Engineering & Transports	Rank 166
12	31,393	NP Naphon, Paisarn	Srinakharinwirot University	Mechanical Engineering & Transports	Rank 177
13	31,912	MS Morand, Serge	Kasetsart University	Mycology & Parasitology	Rank 50
14	35,001	FT Flegel, Timothy W.	Mahidol University	Fisheries	Rank 62
15	37,302	ES Eiamsa-Ard, S.	Mahanakorn University of Technology	Mechanical Engineering & Transports	Rank 204
16	39,853	TV Thongboonkerd, Visith	Siriraj Hospital	Biochemistry & Molecular Biology	Rank 1,768
17	40,294	PP Patterson, Paul G.	UNSW Business School	Marketing	Rank 77
18	40,877	NK Nademanee, Koonlawee	Chulalongkorn University	Cardiovascular System & Hematology	Rank 1,586
19	41,023	WJ Warren, J.	Chulalongkorn University	Geology	Rank 55
20	48,258	BS Benjakul, Soottawat	Prince of Songkla University	Food Science	Rank 175
21	49,576	BE Buffetaut, Eric	Mahasarakham University	Paleontology	Rank 175
22	50,318	DP Dung, Phan Minh	Asian Institute of Technology Thailand	Artificial Intelligence & Image Processing	Rank 828
23	54,187	SP Sriamornsak, Pornsak	Silpakorn University	Pharmacology & Pharmacy	Rank 495
24	55,197	QD Quicke, Donald L.J.	Chulalongkorn University	Evolutionary Biology	Rank 529
25	61,870	PY Poovorawan, Yong	Chulalongkorn University	Virology	Rank 506
26	67,500	SB Sripa, Banchob	Khon Kaen University	Mycology & Parasitology	Rank 127
27	71,112	CP Chindaprasirt, Prinya	Khon Kaen University	Building & Construction	Rank 120
28	71,255	MJ McNeely, Jeffrey A.	Society for Conservation Biology Asia Section	Ecology	Rank 1,140
29	71,430	WD Wichelns, Dennis	Stockholm Environment Institute	Environmental Engineering	Rank 286
30	76,306	KH Kondo, Hisatake	Faculty of Medicine, Khon Kaen University	Neurology & Neurosurgery	Rank 5,120
31	80,575	LL Lebel, Louis	Chiang Mai University	Environmental Sciences	Rank 447
32	80,905	SN Sombatsompop, Narongrit	King Mongkut's University of Technology Thonburi	Polymers	Rank 731
33	82,952	VS von Seidlein, Lorenz	Mahidol University	Tropical Medicine	Rank 175
34	86,032	WC Wongsrichanalai, Chansuda	Independent Scholar	Tropical Medicine	Rank 183
35	87,860	HS Horpibulsuk, Suksun	Suranaree University of Technology	Geological & Geomatics Engineering	Rank 343
36	88,690	RR Ritchie, Raymond J.	Prince of Songkla University	Plant Biology & Botany	Rank 1,198
37	91,314	SS Soponronnarit, Somchart	King Mongkut's University of Technology Thonburi	Food Science	Rank 390
38	92,818	KP Kumam, Poom	King Mongkut's University of Technology Thonburi	Applied Mathematics	Rank 197
39	93,825	VC Visvanathan, C.	Asian Institute of Technology Thailand	Environmental Sciences	Rank 524
40	96,279	SV Sitprija, Visith	Thai Red Cross Agency	General & Internal Medicine	Rank 1,034
41	97,009	FS Fucharoen, Suthat	Institute of Molecular Biosciences, Mahidol University	Immunology	Rank 2,726
42	98,926	KJ Kavanagh, John J.	Chulalongkorn University	Oncology & Carcinogenesis	Rank 3,930
43	100,575	VG van Griensven, Frits	Thai Red Cross Agency	Virology	Rank 888
44	102,386	KS Kalayanarooj, Siripen	Queen Sirikit National Institute of Child Health	Tropical Medicine	Rank 215
45	102,582	WH Wilde, Henry	Chulalongkorn University	General & Internal Medicine	Rank 1,097
46	104,345	LP Lumbiganon, Pisake	Khon Kaen University	General & Internal Medicine	Rank 1,119
47	106,498	TW Tangsrirat, Worapong	King Mongkut's Institute of Technology Ladkrabang	Electrical & Electronic Engineering	Rank 298
48	106,680	ZA Ziegler, Alan D.	Maejo University	Environmental Engineering	Rank 485
49	107,644	NI Ngamroo, Issarachai	King Mongkut's Institute of Technology Ladkrabang	Energy	Rank 1,229
50	108,052	KE Konishi, Eiji	Faculty of Tropical Medicine, Mahidol University	Virology	Rank 971
51	108,163	Thounthong, Phatiphat	King Mongkut's University of Technology North Bangkok	Electrical & Electronic Engineering	Rank 304
52	114,737	NY Nawa, Yukifumi	Khon Kaen University	Mycology & Parasitology	Rank 260
53	117,646	MA Mostafaeipour, Ali	Prince of Songkla University	Energy	Rank 1,365
54	117,673	PP Phanuphak, Praphan	Thai Red Cross Agency	Virology	Rank 1,055
55	117,820	NH Nguyen, Hung T.	Chiang Mai University	Artificial Intelligence & Image Processing	Rank 1,880
56	119,570	SD Smith, Duncan R.	Mahidol University	Virology	Rank 1,066
57	119,615	SS Sirisinha, Stitaya	Mahidol University	Tropical Medicine	Rank 282
58	121,200	LJ Limtrakul, Jumras	Vidyasirimedhi Institute of Science and Technology	Chemical Physics	Rank 2,482
59	122,318	KO Koul, Opender	Kasetsart University	Entomology	Rank 368
60	124,119	TV Thamlikitkul, Visanu	Siriraj Hospital	General & Internal Medicine	Rank 1,337
61	124,583	BF Beamish, F. W.H.	Burapha University	Fisheries	Rank 331
62	126,399	NT Nakase, Takashi	Thailand National Center for Genetic Engineering and Biotechnology	Microbiology	Rank 3,112
63	126,858	YY Yuthavong, Yongyuth	Thailand National Center for Genetic Engineering and Biotechnology	Mycology & Parasitology	Rank 283
64	127,046	DS Dhakal, Shobhakar	Asian Institute of Technology Thailand	Energy	Rank 1,489
65	127,352	SR Sothornvit, Rungsinee	Kasetsart University, Kamphaeng Saen Campus	Food Science	Rank 570
66	127,510	LV Lohsiriwat, Varut	Siriraj Hospital	General & Internal Medicine	Rank 1,371
67	128,045	SA Sumalee, A.	Chulalongkorn University	Logistics & Transportation	Rank 179
68	128,065	NT Nagai, Takeshi	Prince of Songkla University	Food Science	Rank 572
69	128,139	GS Gheewala, Shabbir H.	King Mongkut's University of Technology Thonburi	Environmental Sciences	Rank 768
70	128,315	AS Adisakwattana, Sirichai	Chulalongkorn University	Food Science	Rank 575
71	129,386	NS Nimmannitya, Suchitra	Queen Sirikit National Institute of Child Health	Tropical Medicine	Rank 319
72	131,555	PP Pitisuttithum, Punnee	Faculty of Tropical Medicine, Mahidol University	Virology	Rank 1,175
73	131,782	BD Bergado, Dennes T.	Asian Institute of Technology Thailand	Geological & Geomatics Engineering	Rank 536
74	135,820	DD Dawe, David	FAO	Agronomy & Agriculture	Rank 722
75	135,869	TY Tanaka, Yasuyuki	Mahidol University	Polymers	Rank 1,236
76	137,622	SA Sirivat, Anuvat	Chulalongkorn University	Polymers	Rank 1,251
77	138,959	WM Wanapat, Metha	Khon Kaen University	Dairy & Animal Science	Rank 404
78	139,151	VT Vilaivan, Tirayut	Chulalongkorn University	Organic Chemistry	Rank 2,466
79	139,886	DS Devahastin, Sakamon	King Mongkut's University of Technology Thonburi	Food Science	Rank 642
80	142,800	CO Chailapakul, Orawon	Chulalongkorn University	Analytical Chemistry	Rank 1,105
81	143,117	BN Bhamarapravati, Natth	Mahidol University	Tropical Medicine	Rank 356
82	143,470	CA Chaipanich, Arnon	Chiang Mai University	Applied Physics	Rank 3,949
83	144,120	MS Maensiri, Santi	Suranaree University of Technology	Applied Physics	Rank 3,969
84	145,421	YK Yagi, Kazuyuki	King Mongkut's University of Technology Thonburi	Agronomy & Agriculture	Rank 784
85	146,715	GM Gleeson, M. Paul	King Mongkut's Institute of Technology Ladkrabang	Medicinal & Biomolecular Chemistry	Rank 553
86	152,195	AW Aekplakorn, Wichai	Ramathibodi Hospital	General & Internal Medicine	Rank 1,639
87	155,302	RP Rattanadecho, Phadungsak	Thammasat University	Mechanical Engineering & Transports	Rank 1,041
88	155,562	SA Suksamrarn, Apichart	Ramkhamhaeng University	Medicinal & Biomolecular Chemistry	Rank 586
89	157,231	VC Verduyn, Cornelis	Mahidol University	Biotechnology	Rank 481
90	160,447	MM Moore, Malcolm	Khon Kaen University	Oncology & Carcinogenesis	Rank 6,071
91	164,835	VW Visessanguan, Wonnop	Thailand National Center for Genetic Engineering and Biotechnology	Food Science	Rank 786
92	165,955	LK Likhitwitayawuid, Kittisak	Chulalongkorn University	Medicinal & Biomolecular Chemistry	Rank 641
93	168,432	PS Phanichphant, Sukon	Chiang Mai University	Materials	Rank 2,350
94	168,791	AP Aramwit, Pornanong	Chulalongkorn University	Pharmacology & Pharmacy	Rank 1,705
95	170,203	SU Siripatrawan, Ubonrat	Chulalongkorn University	Food Science	Rank 817
96	171,526	EP Edwards, Peter	Asian Institute of Technology Thailand	Fisheries	Rank 508
97	172,878	TA Thakkinstian, Ammarin	Faculty of Medicine Ramathibodi Hospital, Mahidol University	General & Internal Medicine	Rank 1,861
98	175,159	CP Chinachoti, Pavinee	2/1 Soi Areesampun 11 Rama 6 Rd Payathai	Food Science	Rank 850
99	177,820	IM Isaka, Masahiko	Thailand National Center for Genetic Engineering and Biotechnology	Medicinal & Biomolecular Chemistry	Rank 698
100	177,900	LS Limpijumnong, Sukit	Suranaree University of Technology	Applied Physics	Rank 4,978
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You are seeing the first 100. 91 more are on the 2021 career-long list.

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Countries with a similar count

Career-long list2021

Egypt327 scientistsin 2021

Malaysia234 scientistsin 2021

Argentina204 scientistsin 2021

United Arab Emirates177 scientistsin 2021

Chile156 scientistsin 2021

Slovenia147 scientistsin 2021

Explore other countries

Career-long list2021

Singapore876 scientistsin 2021

Vietnam53 scientistsin 2021

Philippines26 scientistsin 2021

Japan7,362 scientistsin 2021

China6,943 scientistsin 2021

India2,042 scientistsin 2021

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Frequently asked questions

How many scientists from Thailand are in the 2021 Stanford Top 2% list?

263 scientists affiliated with Thailand are on the 2021 single-year list, and 191 are on the career-long list.

Which institute in Thailand has the most Top 2% scientists?

On the 2021 career-long list, Chulalongkorn University has the most listed scientists from Thailand, with 26. It is followed by Mahidol University with 17.

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

On the career-long list, Thailand went from 136 scientists in 2020 to 191 in 2021, a change of +40.4%.

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.