Iran's Top 2% Scientists 2020

Iran has 1,154 scientists on the 2020 single-year Top 2% list. That places Iran 19th in the world by number of listed scientists. University of Tehran has the most listed scientists (72), followed by Tehran University of Medical Sciences (41).

Single Year

1,154

First year listed

Career Data

433

First year listed

World rank by count

#19

First year listed

Institutes

225

First year listed

Scientists in Iran on the list, by year

Single-year list, change on the previous year

2021+47.4%

2022+14.2%

2023+10.2%

2024+8.6%

2025+9.0%

Show the numbers

Year	Single Year	Change	Career Data	Change
2020	1,154		433
2021	1,701	+47.4%	654	+51.0%
2022	1,943	+14.2%	742	+13.5%
2023	2,141	+10.2%	871	+17.4%
2024	2,325	+8.6%	1,020	+17.1%
2025	2,534	+9.0%	1,201	+17.7%

Top 10 institutes in Iran

By number of listed scientists

Single-year list2020

Show the list

All 1,154 scientists

Single-year list2020

The first 100 are free to browse.

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Rank in Iran	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	11	Sheikholeslami, Mohsen	Babol Noshirvani University of Technology	Mechanical Engineering & Transports	Rank 1
2	296	SM Salavati-Niasari, Masoud	University of Kashan	Applied Physics	Rank 12
3	879	SA Sahebkar, Amirhossein	Mashhad University of Medical Sciences	Biochemistry & Molecular Biology	Rank 15
4	972	DM Dehghan, Mehdi	Amirkabir University of Technology	Numerical & Computational Mathematics	Rank 2
5	1,264	AO Akhavan, Omid	Sharif University of Technology	Applied Physics	Rank 42
6	2,293	HE Hemmat Esfe, Mohammad	Imam Hossein University	Mechanical Engineering & Transports	Rank 27
7	2,509	GM Ghaedi, M.	Yasouj University	Organic Chemistry	Rank 44
8	2,581	KA Kaveh, Ali	Iran University of Science and Technology	Civil Engineering	Rank 3
9	2,777	GD Ganji, D. D.	Babol Noshirvani University of Technology	Mechanical Engineering & Transports	Rank 32
10	2,800	AA Askarzadeh, Alireza	Graduate University of Advanced Technology	Energy	Rank 55
11	2,937	KY Kiani, Y.	Shahrekord University	Mechanical Engineering & Transports	Rank 33
12	3,336	KA Khataee, Alireza	University of Tabriz	Chemical Engineering	Rank 22
13	3,907	NT Niknam, Taher	Shiraz University of Technology	Energy	Rank 79
14	4,470	Jafari, Seid Mahdi	Gorgan University of Agricultural Sciences and Natural Resources	Food Science	Rank 17
15	4,483	MA Maleki, Ali	Iran University of Science and Technology	Organic Chemistry	Rank 78
16	4,591	AF Azizi, Fereidoun	Shahid Beheshti University of Medical Sciences	Endocrinology & Metabolism	Rank 85
17	4,679	BE Babaei, Ebrahim	University of Tabriz	Electrical & Electronic Engineering	Rank 13
18	4,685	AN Amjady, Nima	Semnan University	Energy	Rank 94
19	4,869	GN Ghadimi, Noradin	Islamic Azad University, Ardabil Branch	Networking & Telecommunications	Rank 44
20	5,048	BM Barati, Mohammad Reza	Fidar Project Qaem Company	Mechanical Engineering & Transports	Rank 47
21	5,075	Mahmoodi, Niyaz Mohammad	Institute for Color Science and Technology	Chemical Engineering	Rank 31
22	5,509	Pourghasemi, Hamid Reza	Shiraz University	Geochemistry & Geophysics	Rank 95
23	5,952	KA Karimipour, Arash	Islamic Azad University, Najafabad Branch	Mechanical Engineering & Transports	Rank 58
24	5,983	RJ Rezaee Jordehi, Ahmad	Islamic Azad University	Energy	Rank 118
25	5,988	NM Nasrollahzadeh, Mahmoud	University of Qom	Organic Chemistry	Rank 100
26	6,169	MH Mirzaei, Hamed	Kashan University of Medical Sciences and Health Services	Biochemistry & Molecular Biology	Rank 112
27	6,220	AS Abbasbandy, Saeid	Imam Khomeini International University	Numerical & Computational Mathematics	Rank 11
28	6,321	JA Jouyban, Abolghasem	Tabriz University of Medical Sciences	Chemical Engineering	Rank 40
29	6,714	KR Kelishadi, Roya	Isfahan University of Medical Sciences	General & Internal Medicine	Rank 93
30	7,601	TD Toghraie, Davood	Islamic Azad University	Mechanical Engineering & Transports	Rank 71
31	7,964	AA Ashori, Alireza	Iranian Research Organization for Science and Technology	Polymers	Rank 61
32	8,125	AS Azizian, Saeid	Bu Ali Sina University	Chemical Physics	Rank 161
33	8,643	VH Veisi, Hojat	Payame Noor University	Organic Chemistry	Rank 145
34	9,019	Mobayen, Saleh	University of Zanjan	Industrial Engineering & Automation	Rank 107
35	9,608	RA Rad, Ali Shokuhi	Islamic Azad University	Applied Physics	Rank 208
36	9,761	SS Shahrokhian, Saeed	Sharif University of Technology	Analytical Chemistry	Rank 40
37	9,908	MA Montazeri, Ali	Iranian Academic Center for Education, Culture and Research	General & Internal Medicine	Rank 129
38	9,979	HM Hatami, Mohammad	Esfarayen University of Technology	Mechanical Engineering & Transports	Rank 92
39	10,078	AR Ansari, R.	The University of Guilan	Mechanical Engineering & Transports	Rank 94
40	10,276	MP Malekzadeh, P.	Persian Gulf University	Mechanical Engineering & Transports	Rank 98
41	10,632	HH Hosseinzadeh, Hossein	Mashhad University of Medical Sciences	Medicinal & Biomolecular Chemistry	Rank 21
42	10,899	TA Taleizadeh, Ata Allah	University of Tehran	Operations Research	Rank 55
43	10,923	SM Shokrieh, M. M.	Iran University of Science and Technology	Materials	Rank 189
44	11,058	EF Ebrahimi, Farzad	Imam Khomeini International University	Mechanical Engineering & Transports	Rank 105
45	11,187	SH Shokrollahi, H.	Shiraz University of Technology	Applied Physics	Rank 246
46	11,201	SA Simchi, Abdolreza	Sharif University of Technology	Materials	Rank 195
47	11,533	MA Mahvi, Amir Hossein	Tehran University of Medical Sciences	Environmental Sciences	Rank 117
48	11,563	AM Aghazadeh, Mustafa	University of Tehran	Applied Physics	Rank 253
49	11,736	EM Eslami, Mostafa	University of Mazandaran	Optics	Rank 69
50	11,918	NG Najafi, G.	Tarbiat Modares University	Energy	Rank 224
51	12,166	EA Ensafi, Ali Asghar	Isfahan University of Technology	Analytical Chemistry	Rank 58
52	12,616	RB Ramezanzadeh, Bahram	Institute for Color Science and Technology	Polymers	Rank 94
53	12,967	Abdollahi, Mohammad	Tehran University of Medical Sciences	Medicinal & Biomolecular Chemistry	Rank 30
54	13,038	AM Aliha, M. R.M.	Iran University of Science and Technology	Mechanical Engineering & Transports	Rank 123
55	13,076	MH Mirzadeh, Hamed	University of Tehran	Materials	Rank 235
56	13,107	HK Hajian-Tilaki, Karimollah	Babol University of Medical Sciences	General & Internal Medicine	Rank 161
57	13,286	AM Arefi, M.	University of Kashan	Civil Engineering	Rank 43
58	13,833	JN Jafari Navimipour, Nima	Islamic Azad University, Tabriz Branch	Networking & Telecommunications	Rank 147
59	13,834	AM Aghababa, Mohammad P.	Urmia University of Technology	Acoustics	Rank 27
60	13,965	MM Momeni, Mohamad Mohsen	Isfahan University of Technology	Applied Physics	Rank 300
61	14,252	HR Hemmati, Reza	Kermanshah University of Technology	Energy	Rank 267
62	14,354	MM Mirzazadeh, Mohammad	The University of Guilan	Optics	Rank 82
63	14,398	MS Madaeni, S. S.	Razi University	Chemical Engineering	Rank 87
64	14,430	AA Alibeigloo, A.	Tarbiat Modares University	Mechanical Engineering & Transports	Rank 144
65	14,617	MR Malekzadeh, Reza	Digestive Diseases Research Center	General & Internal Medicine	Rank 174
66	14,825	HS Hendi, S. H.	Shiraz University	Nuclear & Particle Physics	Rank 133
67	15,367	HA Habibi-Yangjeh, Aziz	University of Mohaghegh Ardebili	Chemical Physics	Rank 304
68	15,597	NA Nezamzadeh-Ejhieh, Alireza	Islamic Azad University, Shahreza Branch	Chemical Physics	Rank 310
69	15,718	PM Pouranvari, M.	Sharif University of Technology	Materials	Rank 279
70	15,957	MA Maleki, Akbar	Shahrood University of Technology	Energy	Rank 299
71	16,611	RA Rahimpour, Ahmad	Babol Noshirvani University of Technology	Chemical Engineering	Rank 102
72	17,164	AA Asfaram, Arash	Yasuj University of Medical Sciences	Organic Chemistry	Rank 275
73	17,192	SM Shamsipur, Mojtaba	Razi University	Analytical Chemistry	Rank 89
74	17,537	YM Yari, Mortaza	University of Tabriz	Energy	Rank 342
75	17,595	IS Iravani, Siavash	Isfahan University of Medical Sciences	Organic Chemistry	Rank 287
76	17,841	Rafiee, Roham	University of Tehran	Materials	Rank 323
77	17,906	GH Ghassemian, Hassan	Tarbiat Modares University	Geological & Geomatics Engineering	Rank 146
78	18,392	SM Safarinejad, Mohammad Reza	Clinical Center for Urological Disease Diagnosis and Private Clinic Specializing in Urological and Andrological Genetics	Urology & Nephrology	Rank 126
79	18,509	HA Hafezalkotob, Ashkan	Islamic Azad University, South Tehran Branch	Operations Research	Rank 98
80	19,033	RM Rahimpour, Mohammad Reza	Shiraz University	Chemical Engineering	Rank 111
81	19,115	JM Jalali, Mohsen	Bu Ali Sina University	Agronomy & Agriculture	Rank 97
82	19,228	AM Aghbashlo, Mortaza	University of Tehran	Energy	Rank 389
83	19,649	GM Ganjali, Mohammad Reza	University of Tehran	Analytical Chemistry	Rank 96
84	19,787	SZ Shariatinia, Zahra	Amirkabir University of Technology	Inorganic & Nuclear Chemistry	Rank 82
85	20,301	NM Najafzadeh, Mohammad	Graduate University of Advanced Technology	Environmental Engineering	Rank 114
86	20,476	SA Sheykhi, A.	Shiraz University	Nuclear & Particle Physics	Rank 185
87	20,521	Heris, Saeed Zeinali	University of Tabriz	Mechanical Engineering & Transports	Rank 204
88	20,585	MA Mosadeghrad, Ali Mohammad	Tehran University of Medical Sciences	General & Internal Medicine	Rank 233
89	20,769	MM Miransari, Mohammad	Islamic Azad University, Isfahan Branch	Agronomy & Agriculture	Rank 106
90	21,285	OA Oryan, Ahmad	Shiraz University	Veterinary Sciences	Rank 6
91	21,691	RS Rashidi, Saman	Semnan University	Mechanical Engineering & Transports	Rank 218
92	21,997	MM Mehrpooya, Mehdi	University of Tehran	Energy	Rank 443
93	22,173	NV Nourani, Vahid	University of Tabriz	Environmental Engineering	Rank 120
94	22,590	SJ Shiri, Jalal	University of Tabriz	Environmental Engineering	Rank 123
95	22,760	ZM Zolfigol, Mohammad Ali	Bu Ali Sina University	Organic Chemistry	Rank 384
96	22,816	RM Rezakazemi, Mashallah	Shahrood University of Technology	Chemical Engineering	Rank 129
97	23,337	FB Farhadinia, Bahram	Quchan University of Technology	Artificial Intelligence & Image Processing	Rank 646
98	23,440	VJ Varshosaz, Jaleh	Isfahan University of Medical Sciences	Pharmacology & Pharmacy	Rank 108
99	23,591	AM Ahmadi, Mohammad Hosein	Shahrood University of Technology	Energy	Rank 477
100	23,977	MT Mohammadi, Toraj	Iran University of Science and Technology	Chemical Engineering	Rank 143
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You are seeing the first 100. 1,054 more are on the 2020 single-year list.

Ranks 101 to 1,154The whole list, not only the top 100.

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Countries with a similar count

Single-year list2020

Denmark1,515 scientistsin 2020

Belgium1,503 scientistsin 2020

Israel1,290 scientistsin 2020

Taiwan1,097 scientistsin 2020

Hong Kong1,033 scientistsin 2020

Austria984 scientistsin 2020

Explore other countries

Single-year list2020

India2,313 scientistsin 2020

Pakistan243 scientistsin 2020

Bangladesh56 scientistsin 2020

China12,955 scientistsin 2020

Japan4,484 scientistsin 2020

South Korea2,139 scientistsin 2020

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Frequently asked questions

How many scientists from Iran are in the 2020 Stanford Top 2% list?

1,154 scientists affiliated with Iran are on the 2020 single-year list, and 433 are on the career-long list.

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

On the 2020 single-year list, University of Tehran has the most listed scientists from Iran, with 72. It is followed by Tehran University of Medical Sciences with 41.

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.