Thailand's Top 2% Scientists 2025: Career-Long List

Thailand has 302 scientists on the 2025 career-long Top 2% list, up 20.8% from 250 in 2024. That places Thailand 42nd in the world by number of listed scientists. Chulalongkorn University has the most listed scientists (36), followed by Mahidol University (21).

Single Year

454

+62 (+15.8%) vs 2024

Career Data

302

+52 (+20.8%) vs 2024

World rank by count

#42

No change vs 2024

Institutes

+21 (+35.0%) vs 2024

Scientists in Thailand on the list, by year

The career-long count has more than doubled 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 list2025

Show the list

All 302 scientists

Career-long list2025

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	197	WN White, Nicholas J.	Mahidol Oxford Tropical Medicine Research Unit	Tropical Medicine	Rank 1
2	4,544	HK Hyde, Kevin D.	Mae Fah Luang University	Mycology & Parasitology	Rank 5
3	6,190	AI Antoniadis, Ignatios	Chulalongkorn University	Nuclear & Particle Physics	Rank 76
4	7,093	HP Hallinger, Philip	Mahidol University	Education	Rank 31
5	8,144	MC Morley, Christopher Keith	PTT Exploration and Production Public Company Limited	Geochemistry & Geophysics	Rank 94
6	13,807	WS Wongwises, Somchai	King Mongkut's University of Technology Thonburi	Mechanical Engineering & Transports	Rank 95
7	17,450	NF Nosten, François Henri	Mahidol Oxford Tropical Medicine Research Unit	Tropical Medicine	Rank 17
8	21,518	PP Promvonge, Pongjet	King Mongkut's Institute of Technology Ladkrabang	Mechanical Engineering & Transports	Rank 139
9	23,994	SP Supaphol, Pitt	Chulalongkorn University	Polymers	Rank 199
10	24,493	NP Naphon, Paisan	Srinakharinwirot University	Mechanical Engineering & Transports	Rank 156
11	27,304	SD Solter, Davor	Mahidol University	Developmental Biology	Rank 1,010
12	27,493	OM Ogawa, Makoto	Vidyasirimedhi Institute of Science and Technology	Chemical Physics	Rank 588
13	27,768	LS Lynch, Stanley P.	Chulalongkorn University	Materials	Rank 339
14	31,387	ES Eiamsa-ard, Smith	Mahanakorn University of Technology	Mechanical Engineering & Transports	Rank 208
15	31,879	FT Flegel, T. W.	Thailand National Center for Genetic Engineering and Biotechnology	Fisheries	Rank 53
16	32,510	DA Dondorp, A. M.	Mahidol Oxford Tropical Medicine Research Unit	Tropical Medicine	Rank 50
17	33,057	NN Nakabayashi, Nobuo	Chulalongkorn University	Biomedical Engineering	Rank 139
18	33,241	LS Looareesuwan, Sornchai	Hospital for Tropical Diseases, Bangkok	Tropical Medicine	Rank 52
19	33,479	TV Thongboonkerd, Visith	Siriraj Hospital	Biochemistry & Molecular Biology	Rank 1,360
20	35,078	BS Benjakul, Soottawat	Prince of Songkla University	Food Science	Rank 151
21	35,144	WJ Warren, John Keith	Chulalongkorn University	Geology	Rank 41
22	36,177	PP Patterson, Paul G.	Chiang Mai University	Marketing	Rank 86
23	41,636	SS Siengchin, Suchart	King Mongkut's University of Technology North Bangkok	Polymers	Rank 363
24	42,576	BA Beynen, Anton Christian	Rajamangala University of Technology Isan	Dairy & Animal Science	Rank 77
25	44,663	JK Jermsittiparsert, Kittisak	Metharath University	Business & Management	Rank 475
26	46,583	CP Chindaprasirt, Prinya	Khon Kaen University	Building & Construction	Rank 110
27	46,815	NK Nademanee, Koonlawee	Faculty of Medicine, Chulalongkorn University	Cardiovascular System & Hematology	Rank 1,756
28	47,659	DN Day, Nicholas P.J.	Faculty of Tropical Medicine, Mahidol University	Microbiology	Rank 1,213
29	48,436	KP Kumam, Poom	King Mongkut's University of Technology Thonburi	Applied Mathematics	Rank 107
30	49,560	SP Sriamornsak, Pornsak	Silpakorn University	Pharmacology & Pharmacy	Rank 406
31	51,451	HS Horpibulsuk, S.	Suranaree University of Technology	Geological & Geomatics Engineering	Rank 234
32	51,791	DP Dung, Phanminh	Asian Institute of Technology Thailand	Artificial Intelligence & Image Processing	Rank 1,114
33	52,126	YP Yong Poovorawan, Yong	Faculty of Medicine, Chulalongkorn University	Virology	Rank 376
34	55,227	QD Quicke, Donald L.J.	Chulalongkorn University	Evolutionary Biology	Rank 493
35	59,037	SB Sripa, Banchob B.	Faculty of Medicine, Khon Kaen University	Mycology & Parasitology	Rank 101
36	62,321	HS Horike, Satoshi	Vidyasirimedhi Institute of Science and Technology	Organic Chemistry	Rank 1,143
37	63,460	GS Gheewala, Shabbir Hussaini	King Mongkut's University of Technology Thonburi	Environmental Sciences	Rank 454
38	67,560	HS Hamada, Sihigeyuki	Osaka University	Microbiology	Rank 1,692
39	69,358	LL Lebel, Louis	Chiang Mai University	Environmental Sciences	Rank 500
40	69,495	SN Sombatsompop, Narongrit	King Mongkut's University of Technology Thonburi	Polymers	Rank 620
41	71,102	RR Ritchie, Raymond J.	Prince of Songkla University	Plant Biology & Botany	Rank 966
42	72,563	TP Thounthong, P.	King Mongkut's University of Technology North Bangkok	Electrical & Electronic Engineering	Rank 195
43	75,503	AA Anal, Anil Kumar	Asian Institute of Technology Thailand	Food Science	Rank 412
44	75,881	CR Coker, Richard James	Mahidol University	Public Health	Rank 712
45	76,198	SR Sothornvit, Rungsinee	Kasetsart University, Kamphaeng Saen Campus	Food Science	Rank 418
46	77,225	VL Von-Seidlein, Lorenz	Mahidol Oxford Tropical Medicine Research Unit	Tropical Medicine	Rank 151
47	78,122	SS Soponronnarit, Somchart	King Mongkut's University of Technology Thonburi	Food Science	Rank 427
48	80,721	AS Adisakwattana, Sirichai	Chulalongkorn University	Food Science	Rank 446
49	82,378	VC Visvanathan, C.	Mahidol University	Environmental Sciences	Rank 610
50	82,900	DS Dhakal, Shobhakar	Asian Institute of Technology Thailand	Energy	Rank 1,147
51	83,798	DG del Giudice, Giuseppe	BioNet-Asia Co.	Immunology	Rank 2,293
52	85,068	CJ Claude, Julien	Chulalongkorn University	Physiology	Rank 379
53	87,593	MG Moschis, George P.	College of Management Mahidol University	Marketing	Rank 234
54	90,068	LV Lohsiriwat, Varut	Siriraj Hospital	Surgery	Rank 781
55	91,814	SV Sitprija, Visith	Thai Red Cross Agency	General & Internal Medicine	Rank 1,133
56	92,856	BR Bhidayasiri, Roongroj	King Chulalongkorn Memorial Hospital	Neurology & Neurosurgery	Rank 5,893
57	94,209	WM Wanapat, M.	Khon Kaen University	Dairy & Animal Science	Rank 235
58	94,269	KH Kondo, Hisatake	Faculty of Medicine, Khon Kaen University	Neurology & Neurosurgery	Rank 5,964
59	95,515	LP Lumbiganon, Pisake	Faculty of Medicine, Khon Kaen University	General & Internal Medicine	Rank 1,180
60	96,834	PS Phanichphant, Sukon	Chiang Mai University	Materials	Rank 1,339
61	97,801	CP Charoensukmongkol, Peerayuth	National Institute of Development Administration	Business & Management	Rank 1,064
62	99,795	NI Ngamroo, Issarachai	King Mongkut's Institute of Technology Ladkrabang	Energy	Rank 1,404
63	100,868	AP Aramwit, Pornanong	Academy of Science	Pharmacology & Pharmacy	Rank 909
64	101,289	DS Devahastin, Sakamon	King Mongkut's University of Technology Thonburi	Food Science	Rank 564
65	102,934	WH Wilde, Henry	Faculty of Medicine, Chulalongkorn University	General & Internal Medicine	Rank 1,277
66	102,997	NA Nisalak, Ananda N.	Armed Forces Research Institute of Medical Sciences, Thailand	Tropical Medicine	Rank 209
67	103,180	SS Shrestha, Sangam L.	Asian Institute of Technology Thailand	Environmental Engineering	Rank 482
68	103,390	KS Kalayanarooj, Siripen	Queen Sirikit National Institute of Child Health	Tropical Medicine	Rank 210
69	106,170	WC Wongsrichanalai, Chansuda	Independent consultant	Tropical Medicine	Rank 214
70	106,428	FS Fucharoen, Suthat	Institute of Molecular Biosciences, Mahidol University	Immunology	Rank 2,830
71	106,524	WT Witoon, Thongthai	Kasetsart University	Energy	Rank 1,501
72	106,746	SD Smith, Duncan R.	Mahidol University	Virology	Rank 870
73	106,783	TH Thiravat Hemachudha, Thiravat	King Chulalongkorn Memorial Hospital	Neurology & Neurosurgery	Rank 6,661
74	110,701	KO Koul, Opender	Kasetsart University	Entomology	Rank 310
75	111,889	SU Siripatrawan, Ubonrat	Chulalongkorn University	Food Science	Rank 629
76	113,354	TW Tangsrirat, Worapong	King Mongkut's Institute of Technology Ladkrabang	Electrical & Electronic Engineering	Rank 321
77	114,733	MG McLean, Gary Neil	National Institute of Development Administration	Business & Management	Rank 1,252
78	115,558	IM Isobe, Minoru	Laboratory of Organic Synthesis	Organic Chemistry	Rank 1,996
79	115,802	TV Thamlikitkul, Visanu	Siriraj Hospital	Microbiology	Rank 2,887
80	118,153	SA Sirivat, Anuvat	Chulalongkorn University	Polymers	Rank 1,055
81	118,837	MR McGready, R. M.	Mahidol Oxford Tropical Medicine Research Unit	Tropical Medicine	Rank 245
82	118,997	LJ Limtrakul, Jumras P.	Vidyasirimedhi Institute of Science and Technology	Chemical Physics	Rank 2,169
83	120,516	KE Konishi, Eiji	Faculty of Tropical Medicine, Mahidol University	Virology	Rank 1,001
84	120,824	CA Chaipanich, Arnon	Chiang Mai University	Applied Physics	Rank 3,131
85	121,031	SS Sirisinha, Stitaya	Faculty of Science, Mahidol University	Tropical Medicine	Rank 251
86	122,612	CB Cooper, Ben S.	Mahidol Oxford Tropical Medicine Research Unit	Microbiology	Rank 3,037
87	122,932	SA Sumalee, Agachai	King Mongkut's Institute of Technology Ladkrabang	Logistics & Transportation	Rank 208
88	124,376	NY Nawa, Yukifumi	Khon Kaen University	Mycology & Parasitology	Rank 262
89	125,616	VT Vilaivan, Tirayut	Chulalongkorn University	Organic Chemistry	Rank 2,166
90	125,741	BS Blacksell, Stuart D.	Mahidol Oxford Tropical Medicine Research Unit	Tropical Medicine	Rank 273
91	127,314	NP Newton, Paul N.	Mahidol Oxford Tropical Medicine Research Unit	Tropical Medicine	Rank 278
92	127,820	KS Kulprathipanja, Santi	Chulalongkorn University	Chemical Engineering	Rank 613
93	128,388	VG Van Griensven, Frits	Centers for Disease Control (CDC), Thailand Field Station	Virology	Rank 1,059
94	128,692	Makul, Natt	Phranakhon Rajabhat University	Building & Construction	Rank 355
95	128,730	AW Aekplakorn, Wichai	Faculty of Medicine Ramathibodi Hospital, Mahidol University	General & Internal Medicine	Rank 1,600
96	128,778	RP Ratanadecho, Phadungsak	Thammasat University	Mechanical Engineering & Transports	Rank 926
97	129,293	RS Rangappa, Sanjay Mavinkere	King Mongkut's University of Technology North Bangkok	Polymers	Rank 1,164
98	129,712	KJ Kavanagh, John J.	Chulalongkorn University	Oncology & Carcinogenesis	Rank 4,885
99	131,545	LK Likhitwitayawuid, Kittisak	Chulalongkorn University	Medicinal & Biomolecular Chemistry	Rank 468
100	132,038	CO Chailapakul, Orawon	Chulalongkorn University	Analytical Chemistry	Rank 983
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You are seeing the first 100. 202 more are on the 2025 career-long list.

Ranks 101 to 302The whole list, not only the top 100.

Every year since 2020Single Year and Career Data.

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Countries with a similar count

Career-long list2025

Hungary424 scientists

Mexico420 scientists

United Arab Emirates389 scientists

Pakistan268 scientists

Argentina263 scientists

Chile230 scientists

Explore other countries

Career-long list2025

Singapore1,090 scientists

Malaysia460 scientists

Vietnam94 scientists

Indonesia57 scientists

Philippines44 scientists

Brunei20 scientists

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Frequently asked questions

How many scientists from Thailand are in the 2025 Stanford Top 2% list?

454 scientists affiliated with Thailand are on the 2025 single-year list, and 302 are on the career-long list.

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

On the 2025 career-long list, Chulalongkorn University has the most listed scientists from Thailand, with 36. It is followed by Mahidol University with 21.

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 302 in 2025, a change of +122.1%.

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.