Saudi Arabia's Top 2% Scientists 2022: Career-Long List

Saudi Arabia has 466 scientists on the 2022 career-long Top 2% list, up 5.2% from 443 in 2021. That places Saudi Arabia 35th in the world by number of listed scientists. King Fahd University of Petroleum and Minerals has the most listed scientists (86), followed by King Abdullah University of Science and Technology (83).

Single Year

1,021

+151 (+17.4%) vs 2021

Career Data

466

+23 (+5.2%) vs 2021

World rank by count

#35

No change vs 2021

Institutes

+1 (+1.9%) vs 2021

Scientists in Saudi Arabia on the list, by year

The career-long count has grown 45% since 2020.

Career-long list, change on the previous year

2021+38.0%

2022+5.2%

2023+23.6%

2024+17.4%

2025+25.7%

Show the numbers

Year	Single Year	Change	Career Data	Change
2020	557		321
2021	870	+56.2%	443	+38.0%
2022	1,021	+17.4%	466	+5.2%
2023	1,321	+29.4%	576	+23.6%
2024	1,684	+27.5%	676	+17.4%
2025	2,110	+25.3%	850	+25.7%

Top 10 institutes in Saudi Arabia

By number of listed scientists

Career-long list2022

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All 466 scientists

Career-long list2022

The first 100 are free to browse.

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Rank in Saudi Arabia	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	132	DA Demirbas, Ayhan	King Abdulaziz University	Energy	Rank 1
2	336	GV Gupta, Vinod Kumar	King Abdulaziz University	Chemical Physics	Rank 14
3	461	TJ Tuomilehto, Jaakko	King Abdulaziz University	Endocrinology & Metabolism	Rank 21
4	557	DC Duarte, Carlos M.	King Abdullah University of Science and Technology	Marine Biology & Hydrobiology	Rank 1
5	1,443	KH Koenig, Harold G.	King Abdulaziz University	Psychiatry	Rank 48
6	1,481	KA Katritzky, Alan R.	King Abdulaziz University	Organic Chemistry	Rank 44
7	4,080	AM Alouini, Mohamed Slim	King Abdullah University of Science and Technology	Networking & Telecommunications	Rank 26
8	4,145	CT Chan, Tony F.	King Abdullah University of Science and Technology	Artificial Intelligence & Image Processing	Rank 88
9	4,382	MP Magistretti, Pierre	King Abdullah University of Science and Technology	Neurology & Neurosurgery	Rank 405
10	4,606	BD Bradley, Donal D.C.	King Abdullah University of Science and Technology	Applied Physics	Rank 142
11	4,610	ST Saleh, Tawfik A.	King Fahd University of Petroleum and Minerals	Chemical Engineering	Rank 14
12	5,232	MZ Memish, Ziad A.	College of Medicine Alfaisal University	Microbiology	Rank 123
13	5,576	BA Biswas, Anjan	King Abdulaziz University	Optics	Rank 27
14	6,262	AM Abido, Mohammad A.	King Fahd University of Petroleum and Minerals	Energy	Rank 57
15	8,091	HN Hadjichristidis, Nikos	King Abdullah University of Science and Technology	Polymers	Rank 65
16	10,200	Asiri, Abdullah M.	King Abdulaziz University	Organic Chemistry	Rank 224
17	11,204	TM Tester, Mark	King Abdullah University of Science and Technology	Plant Biology & Botany	Rank 100
18	13,544	EM Eddaoudi, Mohamed	King Abdullah University of Science and Technology	General Chemistry	Rank 82
19	13,616	ZA Zenkour, Ashraf M.	King Abdulaziz University	Mechanical Engineering & Transports	Rank 85
20	14,582	RM Rueping, Magnus	King Abdullah University of Science and Technology	Organic Chemistry	Rank 327
21	15,180	HH Hirt, Heribert	King Abdullah University of Science and Technology	Plant Biology & Botany	Rank 145
22	15,438	AZ ALOthman, Zeid A.	College of Sciences	Analytical Chemistry	Rank 83
23	16,039	SG Stegeman, George I.	King Fahd University of Petroleum and Minerals	Optoelectronics & Photonics	Rank 37
24	16,102	MM Mahmoud, Magdi S.	King Fahd University of Petroleum and Minerals	Industrial Engineering & Automation	Rank 114
25	16,417	BÁ Borja, Ángel	King Abdulaziz University	Marine Biology & Hydrobiology	Rank 90
26	16,556	CL Cavallo, Luigi	King Abdullah University of Science and Technology	Organic Chemistry	Rank 365
27	17,419	QM Quraishi, M. A.	King Fahd University of Petroleum and Minerals	Energy	Rank 162
28	17,998	HP Hall, Peter A.	King Faisal Specialist Hospital and Research Centre	Pathology	Rank 62
29	18,060	YB Yilbas, Bekir Sami	King Fahd University of Petroleum and Minerals	Mechanical Engineering & Transports	Rank 109
30	19,330	MW Mahmoud, Waleed E.	King Abdulaziz University	Materials	Rank 218
31	19,409	TA Tounsi, Abdelouahed	King Fahd University of Petroleum and Minerals	Civil Engineering	Rank 23
32	19,640	Ahmad, Bashir	King Abdulaziz University	Applied Mathematics	Rank 42
33	19,758	FJ Flexas, Jaume	King Abdulaziz University	Plant Biology & Botany	Rank 208
34	19,834	SA Subasi, Abdulhamit	Effat University, Saudi Arabia	Artificial Intelligence & Image Processing	Rank 374
35	20,698	NM Naushad, Mu	College of Sciences	Chemical Engineering	Rank 73
36	22,029	CA Crozier, Alan	King Saud University	Plant Biology & Botany	Rank 248
37	22,586	BM Barakat, M. A.	King Abdulaziz University	Chemical Engineering	Rank 85
38	23,048	AM Al-Qattan, Mohammad M.	King Saud University	Orthopedics	Rank 151
39	23,054	UA Umar, Ahmad	Najran University	Applied Physics	Rank 593
40	26,876	HH Hattori, Hideshi	King Fahd University of Petroleum and Minerals	Physical Chemistry	Rank 96
41	26,881	Rahman, Saifur	Najran University	Energy	Rank 269
42	28,632	AT Alkhalifah, Tariq	King Abdullah University of Science and Technology	Geochemistry & Geophysics	Rank 466
43	28,866	AJ Al-Tawfiq, Jaffar A.	Johns Hopkins Aramco Healthcare	Microbiology	Rank 722
44	30,266	AT Anthopoulos, Thomas D.	King Abdullah University of Science and Technology	Nanoscience & Nanotechnology	Rank 306
45	30,652	US Umoren, Saviour A.	King Fahd University of Petroleum and Minerals	Polymers	Rank 266
46	31,912	AP Ahmad, Parvaiz	College of Sciences	Plant Biology & Botany	Rank 376
47	31,939	OI Obot, I. B.	King Fahd University of Petroleum and Minerals	Energy	Rank 333
48	33,676	SJ Santamarina, J. Carlos	King Abdullah University of Science and Technology	Geological & Geomatics Engineering	Rank 134
49	34,052	GT Gojobori, Takashi	King Abdullah University of Science and Technology	Developmental Biology	Rank 1,263
50	34,531	TK Tabbara, Khaled	College of Medicine	Ophthalmology & Optometry	Rank 201
51	34,567	CS Chen, Sheng	King Abdulaziz University	Networking & Telecommunications	Rank 284
52	34,983	SG Schuster, Gerard T.	King Abdullah University of Science and Technology	Geochemistry & Geophysics	Rank 586
53	35,283	Hamdaoui, Oualid	King Saud University	Chemical Engineering	Rank 121
54	35,774	Ramadan, Mohamed Fawzy	Umm Al-Qura University	Food Science	Rank 128
55	35,908	Rue, Håvard	King Abdullah University of Science and Technology	Statistics & Probability	Rank 152
56	36,716	RS Rehman, Shafiqur	King Fahd University of Petroleum and Minerals	Energy	Rank 378
57	36,988	BA Beynen, A. C.	King Saud University	Dairy & Animal Science	Rank 60
58	37,532	NS Nunes, Suzana P.	King Abdullah University of Science and Technology	Chemical Engineering	Rank 128
59	37,723	PH Pottmann, Helmut	King Abdullah University of Science and Technology	Software Engineering	Rank 75
60	38,822	PT Patzek, Tadeusz W.	King Abdullah University of Science and Technology	Energy	Rank 407
61	40,562	GM Genton, Marc G.	King Abdullah University of Science and Technology	Statistics & Probability	Rank 169
62	40,689	TW Thurston, William P.	King Abdulaziz University	General Mathematics	Rank 147
63	41,025	AF Al-Sulaiman, Fahad	King Fahd University of Petroleum and Minerals	Energy	Rank 447
64	41,134	AE Abu El-Asrar, Ahmed M.	College of Medicine	Ophthalmology & Optometry	Rank 249
65	41,277	AA Alsaedi, Ahmed	King Abdulaziz University	Mechanical Engineering & Transports	Rank 245
66	41,536	HM Hossain, M. Shamim	King Saud University	Networking & Telecommunications	Rank 341
67	42,293	KK Koumoto, Kunihito	King Abdulaziz University	Materials	Rank 511
68	42,527	GJ Gascon, Jorge	King Abdullah University of Science and Technology	Organic Chemistry	Rank 841
69	42,869	AF Alkuraya, Fowzan S.	King Faisal Specialist Hospital and Research Centre	Genetics & Heredity	Rank 257
70	44,365	AH Ali, Hafiz Muhammad	King Fahd University of Petroleum and Minerals	Energy	Rank 482
71	44,557	KM Khan, Muhammad Khurram	King Saud University	Networking & Telecommunications	Rank 365
72	44,871	AM Ahamed, Maqusood	College of Sciences	Toxicology	Rank 185
73	45,079	CR Carle, Reinhold	King Abdulaziz University	Food Science	Rank 166
74	46,242	EM Ezzat, Magdy A.	Al Qassim University	Mechanical Engineering & Transports	Rank 281
75	46,655	SB Samet, Bessem	College of Sciences	General Mathematics	Rank 172
76	47,385	PI Pinnau, Ingo	King Abdullah University of Science and Technology	Chemical Engineering	Rank 163
77	48,986	GL Gissmann, Lutz	King Saud University	Virology	Rank 390
78	49,083	SE Sherif, El Sayed M.	King Saud University	Energy	Rank 537
79	51,688	SA Seadawy, Aly R.	Taibah University	General Physics	Rank 350
80	51,774	FW Fischle, Wolfgang	King Abdullah University of Science and Technology	Developmental Biology	Rank 1,758
81	51,898	AM Amin, Mohammed A.	Taif University	Energy	Rank 576
82	52,516	TS Thoroddsen, Sigurdur T.	King Abdullah University of Science and Technology	Fluids & Plasmas	Rank 469
83	52,862	AA Al-Ghamdi, Ahmed A.	King Abdulaziz University	Applied Physics	Rank 1,418
84	53,406	AH Alshareef, Husam N.	King Abdullah University of Science and Technology	Nanoscience & Nanotechnology	Rank 504
85	55,342	CS Chung, Suk Ho	King Abdullah University of Science and Technology	Energy	Rank 614
86	55,732	AY Arabi, Yaseen M.	King Saud bin Abdulaziz University for Health Sciences	Emergency & Critical Care Medicine	Rank 181
87	56,171	SN Shahzad, Naseer	King Abdulaziz University	Applied Mathematics	Rank 119
88	57,171	AM Ali, Mohamed Elsayed	King Saud University	Mechanical Engineering & Transports	Rank 345
89	58,399	DJ Dvorkin, Jack	King Fahd University of Petroleum and Minerals	Geochemistry & Geophysics	Rank 1,022
90	59,199	AA Azar, Ahmad Taher	Prince Sultan University	Artificial Intelligence & Image Processing	Rank 1,056
91	59,539	AN Abu-Hamdeh, Nidal H.	King Abdulaziz University	Mechanical Engineering & Transports	Rank 362
92	59,979	MO Mohammed, Omar F.	King Abdullah University of Science and Technology	Nanoscience & Nanotechnology	Rank 563
93	62,222	AM Abdou, M. A.	University of Bisha	Numerical & Computational Mathematics	Rank 101
94	64,262	WR Weijermars, Ruud	King Fahd University of Petroleum and Minerals	Energy	Rank 726
95	66,753	MR Mohamed, R. M.	King Abdulaziz University	Materials	Rank 847
96	67,461	BB Banik, Bimal Krishna	Prince Mohammad Bin Fahd University	Organic Chemistry	Rank 1,319
97	67,828	BA BaHammam, Ahmed S.	College of Medicine	Respiratory System	Rank 691
98	68,219	MG Muhammad, Ghulam	King Saud University	Networking & Telecommunications	Rank 594
99	68,312	BA Baykal, Abdulhadi	Imam Abdulrahman Bin Faisal university	Materials	Rank 865
100	69,327	OV Orlando, Valerio	King Abdullah University of Science and Technology	Developmental Biology	Rank 2,205
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Countries with a similar count

Career-long list2022

Ireland721 scientistsin 2022

South Africa713 scientistsin 2022

Portugal515 scientistsin 2022

Czech Republic461 scientistsin 2022

Egypt361 scientistsin 2022

Hungary350 scientistsin 2022

Explore other countries

Career-long list2022

Israel1,958 scientistsin 2022

Turkey906 scientistsin 2022

United Arab Emirates205 scientistsin 2022

Qatar110 scientistsin 2022

Cyprus71 scientistsin 2022

Kuwait68 scientistsin 2022

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Frequently asked questions

How many scientists from Saudi Arabia are in the 2022 Stanford Top 2% list?

1,021 scientists affiliated with Saudi Arabia are on the 2022 single-year list, and 466 are on the career-long list.

Which institute in Saudi Arabia has the most Top 2% scientists?

On the 2022 career-long list, King Fahd University of Petroleum and Minerals has the most listed scientists from Saudi Arabia, with 86. It is followed by King Abdullah University of Science and Technology with 83.

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

On the career-long list, Saudi Arabia went from 321 scientists in 2020 to 466 in 2022, a change of +45.2%.

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.