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

Iran has 742 scientists on the 2022 career-long Top 2% list, up 13.5% from 654 in 2021. That places Iran 31st in the world by number of listed scientists, up 2 places. University of Tehran has the most listed scientists (53), followed by Sharif University of Technology (44).

Single Year

1,943

+242 (+14.2%) vs 2021

Career Data

742

+88 (+13.5%) vs 2021

World rank by count

#31

up 2 places vs 2021

Institutes

190

+9 (+5.0%) vs 2021

Scientists in Iran on the list, by year

The career-long count has grown 71% since 2020.

Career-long list, change on the previous year

2021+51.0%

2022+13.5%

2023+17.4%

2024+17.1%

2025+17.7%

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

Career-long list2022

Show the list

1University of Tehran53
2Sharif University of Technology44
3Daneshgahe Elm va Sanat e Iran27
4Amirkabir University of Technology26
5University of Tabriz25
6Isfahan University of Technology24
7Shiraz University24
8Tarbiat Modares University20
9Ferdowsi University of Mashhad19
10K. N. Toosi University of Technology12

All 742 scientists

Career-long list2022

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	451	Sheikholeslami, Mohsen	Babol Noshirvani University of Technology	Mechanical Engineering & Transports	Rank 6
2	2,508	DM Dehghan, Mehdi	Amirkabir University of Technology	Numerical & Computational Mathematics	Rank 2
3	2,969	SM Salavati-Niasari, Masoud	University of Kashan	Materials	Rank 32
4	5,346	AO Akhavan, Omid	Sharif University of Technology	Nanoscience & Nanotechnology	Rank 90
5	5,577	AS Abbasbandy, S.	Imam Khomeini International University	Numerical & Computational Mathematics	Rank 3
6	6,362	GD Ganji, D. D.	Babol Noshirvani University of Technology	Mechanical Engineering & Transports	Rank 34
7	7,099	SA Sahebkar, Amirhossein	Mashhad University of Medical Sciences	Biochemistry & Molecular Biology	Rank 376
8	8,190	AF Azizi, Fereidoun	Shahid Beheshti University of Medical Sciences, Research Institute for Endocrine Science	Endocrinology & Metabolism	Rank 245
9	11,062	NT Niknam, Taher	Shiraz University of Technology	Energy	Rank 96
10	11,279	GM Ghaedi, Mehrorang	Yasouj University	Organic Chemistry	Rank 255
11	12,331	SM Setare, M. R.	University of Kurdistan	Nuclear & Particle Physics	Rank 180
12	13,533	KA Khataee, Alireza	University of Tabriz	Chemical Engineering	Rank 45
13	15,371	MA Montazeri, Ali	Iranian Academic Center for Education, Culture and Research	General & Internal Medicine	Rank 236
14	15,857	AN Amjady, Nima	Semnan University	Energy	Rank 145
15	17,481	KA Kaveh, Ali	Daneshgahe Elm va Sanat e Iran	Civil Engineering	Rank 18
16	18,070	SM Safarinejad, Mohammad Reza	SBUMS Urology and Nephrology Research Center	Urology & Nephrology	Rank 193
17	18,374	KR Kelishadi, Roya	Child Growth and Development Research Center, Isfahan UMS	General & Internal Medicine	Rank 273
18	19,017	EA Ensafi, Ali A.	Isfahan University of Technology	Analytical Chemistry	Rank 99
19	21,400	SS Shahrokhian, Saeed	Sharif University of Technology	Analytical Chemistry	Rank 114
20	21,737	SA Simchi, Abdolreza	Sharif University of Technology	Materials	Rank 249
21	21,798	Mahmoodi, Niyaz Mohammad	Institute for Color Science and Technology	Chemical Engineering	Rank 79
22	22,641	ZM Zolfigol, Mohammad Ali	Bu-Ali Sina University	Organic Chemistry	Rank 470
23	22,659	AA Ashori, Alireza	Iranian Research Organization for Science and Technology	Polymers	Rank 197
24	23,434	BE Babaei, Ebrahim	University of Tabriz	Electrical & Electronic Engineering	Rank 58
25	24,104	JA Jouyban, Abolghasem	Pharmaceutical Analysis Research Center	Chemical Engineering	Rank 90
26	24,870	Jafari, Seid Mahdi	Gorgan University of Agricultural Sciences and Natural Resources	Food Science	Rank 80
27	25,368	MS Madaeni, S. S.	Razi University	Chemical Engineering	Rank 94
28	27,700	MP Malekzadeh, Parviz	Persian Gulf University	Mechanical Engineering & Transports	Rank 158
29	28,525	NM Nasrollahzadeh, Mahmoud	University of Qom	Organic Chemistry	Rank 572
30	28,601	Abdollahi, Mohammad	The Institute of Pharmaceutical Sciences (TIPS)	Pharmacology & Pharmacy	Rank 242
31	28,934	MA Maleki, Ali	Daneshgahe Elm va Sanat e Iran	Organic Chemistry	Rank 584
32	29,557	AA Afkhami, Abbas	Bu-Ali Sina University	Analytical Chemistry	Rank 180
33	29,605	HH Hosseinzadeh, Hossein	School of Pharmacy	Medicinal & Biomolecular Chemistry	Rank 78
34	30,541	AA Askarzadeh, Alireza	Graduate University of Advanced Technology	Energy	Rank 309
35	33,421	AS Azizian, Saeid	Bu-Ali Sina University	Chemical Physics	Rank 762
36	33,462	MR Malekzadeh, Reza	Digestive Oncology Research Center	General & Internal Medicine	Rank 452
37	34,087	AM Afrand, Masoud	Islamic Azad University, Najafabad Branch	Mechanical Engineering & Transports	Rank 196
38	34,762	SJ Salehi, Jawad A.	Sharif University of Technology	Networking & Telecommunications	Rank 289
39	35,699	HY Hatefi, Youssef	School of Medicine	Biochemistry & Molecular Biology	Rank 1,616
40	36,164	KY Kiani, Y.	Shahrekord University	Mechanical Engineering & Transports	Rank 208
41	38,178	AS Akhondzadeh, Shahin	Roozbeh Hospital	Psychiatry	Rank 829
42	38,745	SA Shaabani, Ahmad	Shahid Beheshti University	Organic Chemistry	Rank 780
43	40,372	MA Mahvi, Amir Hossein	Tehran University of Medical Sciences	Environmental Sciences	Rank 192
44	40,826	JM Jalali, Mohsen	Bu-Ali Sina University	Agronomy & Agriculture	Rank 167
45	41,265	HE Hemmat Esfe, Mohammad	Imam Hossein University	Mechanical Engineering & Transports	Rank 244
46	41,532	SM Shamsipur, Mojtaba	Razi University	Analytical Chemistry	Rank 273
47	42,902	MS Mallakpour, Shadpour	Isfahan University of Technology	Polymers	Rank 397
48	43,824	SM Sheikh-Jabbari, M. M.	Iranian Research Institute for Fundamental Sciences	Nuclear & Particle Physics	Rank 703
49	44,466	MT Mohammadi, Toraj	Daneshgahe Elm va Sanat e Iran	Chemical Engineering	Rank 155
50	44,614	SA Sheykhi, Ahmad	Shiraz University	Nuclear & Particle Physics	Rank 715
51	46,091	VH Veisi, Hojat	Payame Noor University	Organic Chemistry	Rank 918
52	46,831	SM Shokrieh, M. M.	Daneshgahe Elm va Sanat e Iran	Materials	Rank 579
53	47,889	GA Ghanizadeh, Ahmad	School of Medicine	Psychiatry	Rank 977
54	48,593	Karimi-Maleh, Hassan	Quchan University of Technology	Analytical Chemistry	Rank 313
55	48,918	DB Davvaz, Bijan	Yazd University	Artificial Intelligence & Image Processing	Rank 889
56	49,413	RN Rezaei, Nima	Research Center for Immunodeficiencies	Immunology	Rank 1,530
57	49,638	VJ Varshosaz, Jaleh	Isfahan University of Medical Sciences	Pharmacology & Pharmacy	Rank 432
58	50,127	MA Morsali, Ali	Tarbiat Modares University	Inorganic & Nuclear Chemistry	Rank 309
59	51,062	AM Aghababa, Mohammad Pourmahmood	Urmia University of Technology	Acoustics	Rank 100
60	52,625	RJ Rezaee Jordehi, A.	Islamic Azad University, Rasht Branch	Energy	Rank 585
61	52,846	TA Taleizadeh, Ata Allah	University of Tehran	Operations Research	Rank 163
62	52,922	Pourghasemi, Hamid Reza	Shiraz University	Geochemistry & Geophysics	Rank 914
63	53,740	HS Hendi, S. H.	Shiraz University	Nuclear & Particle Physics	Rank 893
64	55,069	SH Shokrollahi, Hooman	Shiraz University of Technology	Applied Physics	Rank 1,466
65	56,096	H- Hajian -Tilaki, Karimollah	Babol University of Medical Sciences	General & Internal Medicine	Rank 739
66	56,323	NA Nazari, Ali	Islamic azad University, Saveh Branch	Materials	Rank 705
67	56,767	FJ Faiz, Jawad	University of Tehran	Electrical & Electronic Engineering	Rank 145
68	58,319	AA Alibeigloo, Akbar	Tarbiat Modares University	Mechanical Engineering & Transports	Rank 354
69	58,519	RM Rahimpour, Mohammad Reza	Shiraz University	Chemical Engineering	Rank 221
70	58,816	TM Taher, Mohammad Ali	Shahid Bahonar University of Kerman	Analytical Chemistry	Rank 388
71	59,140	HM Hatami, M.	Ferdowsi University of Mashhad	Mechanical Engineering & Transports	Rank 359
72	59,459	HA Habibi-Yangjeh, Aziz	University of Mohaghegh Ardabili	Chemical Physics	Rank 1,291
73	59,596	BM Barati, Mohammad Reza	Amirkabir University of Technology	Mechanical Engineering & Transports	Rank 363
74	59,803	MH Mirzadeh, Hamed	University of Tehran	Materials	Rank 756
75	60,690	BM Bahiraei, Mehdi	Razi University	Chemical Engineering	Rank 234
76	61,405	IS Iravani, Siavash	Isfahan University of Medical Sciences	Organic Chemistry	Rank 1,206
77	62,788	GN Ghadimi, Noradin	Islamic Azad University, Ardabil Branch	Networking & Telecommunications	Rank 549
78	64,727	MM Miransari, Mohammad	AbtinBerkeh Scientific Ltd. Company	Agronomy & Agriculture	Rank 301
79	64,761	YM Yari, Mortaza	University of Tabriz	Energy	Rank 733
80	64,839	GM Ganjali, Mohammad Reza	University of Tehran	Analytical Chemistry	Rank 442
81	65,069	HM Heravi, Majid M.	Alzahra University	Organic Chemistry	Rank 1,273
82	65,894	MH Mirzaei, Hamed	Kashan University of Medical Sciences and Health Services	Biochemistry & Molecular Biology	Rank 2,845
83	66,122	NJ Nourooz-Zadeh, Jaffar	Urmia University of Medical Sciences	Biochemistry & Molecular Biology	Rank 2,855
84	66,891	AS Alavian, Seyed Moayed	Baqiyatallah University of Medical Sciences	Gastroenterology & Hepatology	Rank 1,010
85	67,457	MM Momeni, Mohammad Mohsen	Isfahan University of Technology	Applied Physics	Rank 1,814
86	67,876	TM Tavazoei, Mohammad Saleh	Sharif University of Technology	Industrial Engineering & Automation	Rank 495
87	69,011	ZM Zarrindast, Mohammad Reza	School of Medicine	Neurology & Neurosurgery	Rank 4,764
88	69,834	EM Eslami, M.	University of Mazandaran	Optics	Rank 254
89	70,432	NG Najafi, Gholamhassan	Tarbiat Modares University	Energy	Rank 816
90	70,456	AR Ansari, R.	University of Guilan	Mechanical Engineering & Transports	Rank 437
91	71,357	EF Ebrahimi, Farzad	Imam Khomeini International University	Mechanical Engineering & Transports	Rank 442
92	72,926	FM Fotuhi-Firuzabad, Mahmud	Sharif University of Technology	Energy	Rank 846
93	73,584	MM Mirzazadeh, M.	University of Guilan	Optics	Rank 264
94	74,006	KK Kiani, Keivan	K. N. Toosi University of Technology	Mechanical Engineering & Transports	Rank 470
95	74,171	RB Rezaei, B.	Isfahan University of Technology	Analytical Chemistry	Rank 519
96	74,960	ZM Zohuriaan-Mehr, M. J.	Iran Polymer and Petrochemical Institute	Polymers	Rank 676
97	76,233	MM Mirmiran, Majid	University of Isfahan	Neurology & Neurosurgery	Rank 5,168
98	76,293	KA Khoei, Amir R.	Sharif University of Technology	Mechanical Engineering & Transports	Rank 488
99	77,084	AM Aliha, M. R.M.	Daneshgahe Elm va Sanat e Iran	Mechanical Engineering & Transports	Rank 497
100	77,390	AM Alishahiha, Mohsen	Iranian Research Institute for Fundamental Sciences	Nuclear & Particle Physics	Rank 1,262
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You are seeing the first 100. 642 more are on the 2022 career-long list.

Ranks 101 to 742The 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 list2022

Brazil892 scientistsin 2022

Russia887 scientistsin 2022

Greece879 scientistsin 2022

Ireland721 scientistsin 2022

South Africa713 scientistsin 2022

Portugal515 scientistsin 2022

Explore other countries

Career-long list2022

India2,206 scientistsin 2022

Pakistan137 scientistsin 2022

Bangladesh49 scientistsin 2022

Sri Lanka21 scientistsin 2022

China7,693 scientistsin 2022

Japan7,630 scientistsin 2022

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Frequently asked questions

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

1,943 scientists affiliated with Iran are on the 2022 single-year list, and 742 are on the career-long list.

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

On the 2022 career-long list, University of Tehran has the most listed scientists from Iran, with 53. It is followed by Sharif University of Technology with 44.

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

On the career-long list, Iran went from 433 scientists in 2020 to 742 in 2022, a change of +71.4%.

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.