Iran's Top 2% Scientists 2024: Career-Long List

Iran has 1,020 scientists on the 2024 career-long Top 2% list, up 17.1% from 871 in 2023. That places Iran 30th in the world by number of listed scientists, up 1 place. University of Tehran has the most listed scientists (71), followed by Sharif University of Technology (53).

Single Year

2,325

+184 (+8.6%) vs 2023

Career Data

1,020

+149 (+17.1%) vs 2023

World rank by count

#30

up 1 place vs 2023

Institutes

192

-28 (-12.7%) vs 2023

Scientists in Iran on the list, by year

The career-long count has more than doubled 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 list2024

Show the list

1University of Tehran71
2Sharif University of Technology53
3Tehran University of Medical Sciences46
4Amirkabir University of Technology37
5Daneshgahe Elm va Sanat e Iran36
6Shiraz University34
7Isfahan University of Technology30
8University of Tabriz30
9Tarbiat Modares University29
10Islamic Azad University22

All 1,020 scientists

Career-long list2024

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	338	Sheikholeslami, Mohsen	Babol Noshirvani University of Technology	Mechanical Engineering & Transports	Rank 2
2	1,803	SM Salavati-Niasari, Masoud	University of Kashan	Materials	Rank 24
3	1,988	DM Dehghan, Mehdi	Amirkabir University of Technology	Numerical & Computational Mathematics	Rank 3
4	2,493	SA Sahebkar, Amirhossein	Mashhad University of Medical Sciences	Medicinal & Biomolecular Chemistry	Rank 4
5	4,732	AO Akhavan, Omid	Sharif University of Technology	Applied Physics	Rank 132
6	4,896	GD Ganji, Davood Domiri	Babol Noshirvani University of Technology	Mechanical Engineering & Transports	Rank 29
7	5,506	AS Abbasbandy, Saeid	Imam Khomeini International University	Numerical & Computational Mathematics	Rank 4
8	6,142	AF Azizi, Fereidoun	Shahid Beheshti University of Medical Sciences	Endocrinology & Metabolism	Rank 184
9	6,626	Mahmoodi, Niyaz Mohammad	Institute for Color Science and Technology	Chemical Engineering	Rank 22
10	8,653	Jafari, Seid Mahdi	Gorgan University of Agricultural Sciences and Natural Resources	Food Science	Rank 28
11	8,818	GM Ghaedi, Mehrorang	Yasouj University	Analytical Chemistry	Rank 41
12	9,002	KA Kaveh, Ali	Daneshgahe Elm va Sanat e Iran	Civil Engineering	Rank 9
13	9,188	KA Khataee, Alireza	University of Tabriz	Chemical Engineering	Rank 33
14	9,797	NT Niknam, Taher	Shiraz University of Technology	Energy	Rank 100
15	10,189	AP Allebeck, Peter	Shefa Neuroscience Research Center	Psychiatry	Rank 288
16	13,438	KR Kelishadi, Roya	Isfahan University of Medical Sciences	General & Internal Medicine	Rank 206
17	13,627	MA Montazeri, Ali	Iranian Institute for Health Sciences Research	General & Internal Medicine	Rank 209
18	13,844	SM Setare, M. R.	University of Kurdistan	Nuclear & Particle Physics	Rank 186
19	14,159	MA Maleki, Ali	Daneshgahe Elm va Sanat e Iran	Organic Chemistry	Rank 306
20	14,888	NM Nasrollahzadeh, Mahmoud	University of Qom	Organic Chemistry	Rank 322
21	15,079	EA Ensafi, Ali A.	Isfahan University of Technology	Analytical Chemistry	Rank 80
22	16,763	SS Shahrokhian, Saeed	Sharif University of Technology	Analytical Chemistry	Rank 89
23	17,120	SM Safarinejad, Mohammad R.	Shahid Beheshti University of Medical Sciences	Urology & Nephrology	Rank 181
24	17,648	SA Simchi, Abdolreza	Sharif University of Technology	Materials	Rank 211
25	17,839	JA Jouyban, Abolghasem	Tabriz University of Medical Sciences	Chemical Engineering	Rank 67
26	18,198	Abdollahi, Mohammad	Tehran University of Medical Sciences	Pharmacology & Pharmacy	Rank 129
27	18,329	AA Ashori, Alireza	Iranian Research Organization for Science and Technology	Polymers	Rank 148
28	18,396	BE Babaei, Ebrahim	University of Tabriz	Electrical & Electronic Engineering	Rank 47
29	18,583	AM Afrand, Masoud	Islamic Azad University, Najafabad Branch	Mechanical Engineering & Transports	Rank 117
30	18,766	HH Hosseinzadeh, Hossein	Mashhad University of Medical Sciences	Medicinal & Biomolecular Chemistry	Rank 56
31	22,002	ZM Zolfigol, Mohammad Ali	Bu-Ali Sina University	Organic Chemistry	Rank 450
32	22,090	KY Kiani, Yaser	Shahrekord University	Mechanical Engineering & Transports	Rank 138
33	22,206	AA Askarzadeh, Alireza	Graduate University of Advanced Technology	Energy	Rank 243
34	22,330	RN Rezaei, Nima	Tehran University of Medical Sciences	Immunology	Rank 772
35	24,217	MS Madaeni, S. S.	Razi University	Chemical Engineering	Rank 95
36	24,253	IS Iravani, Siavash	Independent Researcher	Nanoscience & Nanotechnology	Rank 301
37	25,084	EM Esfe, Mohammad Hemmat	Nanofluid Advanced Research Team	Mechanical Engineering & Transports	Rank 152
38	25,854	RJ Rezaee Jordehi, Ahmad	Islamic Azad University, Rasht Branch	Energy	Rank 289
39	26,084	MP Malekzadeh, Parviz	Persian Gulf University	Mechanical Engineering & Transports	Rank 159
40	26,452	MA Mahvi, Amir Hossein	Tehran University of Medical Sciences	Environmental Sciences	Rank 150
41	27,241	AS Azizian, Saeid	Bu-Ali Sina University	Chemical Physics	Rank 600
42	27,397	AA Afkhami, Abbas	Bu-Ali Sina University	Analytical Chemistry	Rank 163
43	27,798	Pourghasemi, Hamid Reza	Shiraz University	Geochemistry & Geophysics	Rank 453
44	28,812	MR Malekzadeh, Reza	Tehran University of Medical Sciences	General & Internal Medicine	Rank 408
45	30,174	MH Mirzaei, Hamed	Kashan University of Medical Sciences	Oncology & Carcinogenesis	Rank 1,349
46	31,187	GB Ghanbari, Behzad	Kermanshah University of Technology	General Physics	Rank 186
47	31,903	AS Akhondzadeh, Shahin	Roozbeh Hospital	Psychiatry	Rank 714
48	32,108	MS Mallakpour, Shadpour	Isfahan University of Technology	Polymers	Rank 283
49	32,135	VH Veisi, Hojat	Payame Noor University	Organic Chemistry	Rank 612
50	32,238	JM Jalali, Mohsen	Bu-Ali Sina University	Environmental Sciences	Rank 182
51	33,343	SA Sheykhi, Ahmad	Shiraz University	Nuclear & Particle Physics	Rank 480
52	33,688	TD Toghraie, Davood	Islamic Azad University	Mechanical Engineering & Transports	Rank 212
53	34,977	TA Taleizadeh, Ata Allah	University of Tehran	Operations Research	Rank 110
54	35,509	MA Morsali, Ali	Tarbiat Modares University	Inorganic & Nuclear Chemistry	Rank 204
55	36,209	MH Mirzadeh, Hamed	University of Tehran	Materials	Rank 460
56	36,744	SJ Salehi, Jawad A.	Sharif University of Technology	Networking & Telecommunications	Rank 300
57	36,867	MB Mashhoon, Bahram	Institute for Studies in Theoretical Physics and Mathematics, Tehran	Nuclear & Particle Physics	Rank 544
58	37,023	SA Shaabani, Ahmad	Shahid Beheshti University	Organic Chemistry	Rank 701
59	37,123	VJ Varshosaz, Jaleh	Isfahan University of Medical Sciences	Pharmacology & Pharmacy	Rank 312
60	37,894	BM Bahiraei, Mehdi	Razi University	Chemical Engineering	Rank 144
61	38,156	SM Shokrieh, M. M.	Daneshgahe Elm va Sanat e Iran	Materials	Rank 490
62	39,313	GN Ghadimi, Noradin	Islamic Azad University, Ardabil Branch	Energy	Rank 469
63	40,308	MT Mohammadi, Toraj	Daneshgahe Elm va Sanat e Iran	Chemical Engineering	Rank 152
64	40,731	HK Hajian-Tilaki, Karimollah	Babol University of Medical Sciences	General & Internal Medicine	Rank 547
65	40,775	HM Hatami, Mohammad	Esfarayen University of Technology	Mechanical Engineering & Transports	Rank 262
66	41,430	AR Ansari, R.	University of Guilan	Mechanical Engineering & Transports	Rank 266
67	41,443	EF Ebrahimi, Farzad	Imam Khomeini International University	Mechanical Engineering & Transports	Rank 267
68	41,532	HY Hatefi, Youssef	School of Medicine	Biochemistry & Molecular Biology	Rank 1,711
69	41,689	RM Rahimpour, Mohammad Reza	Shiraz University	Chemical Engineering	Rank 155
70	41,707	GA Ghanizadeh, Ahmad	Shiraz University of Medical Sciences	Psychiatry	Rank 885
71	41,782	AS Alavian, Seyed Moayed	Middle East Liver Diseases (MELD) Center	Gastroenterology & Hepatology	Rank 642
72	42,072	HS Hendi, Seyed Hossein	Shiraz University	Nuclear & Particle Physics	Rank 626
73	42,298	SM Shamsipur, Mojtaba	Razi University	Analytical Chemistry	Rank 275
74	42,918	NA Nazari, Ali	Islamic Azad University	Materials	Rank 544
75	43,486	AM Aghbashlo, Mortaza	University of Tehran	Energy	Rank 523
76	43,845	AM Arefi, Mohammad	University of Kashan	Mechanical Engineering & Transports	Rank 280
77	44,321	SM Sheikh-Jabbari, M. M.	Institute for Studies in Theoretical Physics and Mathematics, Tehran	Nuclear & Particle Physics	Rank 665
78	44,699	HA Habibi-Yangjeh, Aziz	University of Mohaghegh Ardabili	Chemical Physics	Rank 942
79	45,915	NG Najafi, Gholamhassan	Tarbiat Modares University	Energy	Rank 563
80	45,941	KA Karimipour, Arash	Islamic Azad University, Najafabad Branch	Mechanical Engineering & Transports	Rank 294
81	45,944	BM Barati, Mohammad Reza	Amirkabir University of Technology	Mechanical Engineering & Transports	Rank 295
82	46,313	YM Yari, Mortaza	University of Tabriz	Energy	Rank 571
83	46,978	MM Miransari, Mohammad	AbtinBerkeh Scientific Ltd. Company	Agronomy & Agriculture	Rank 211
84	47,053	MB Mohammadi-Ivatloo, Behnam	University of Tabriz	Energy	Rank 585
85	47,084	ZY Zare, Yasser	Breast Disease Research Center	Materials	Rank 596
86	47,450	AA Alibeigloo, Akbar	Tarbiat Modares University	Mechanical Engineering & Transports	Rank 310
87	47,630	DB Davvaz, Bijan	Yazd University	Artificial Intelligence & Image Processing	Rank 979
88	48,430	SH Shokrollahi, H.	Shiraz University of Technology	Applied Physics	Rank 1,234
89	50,464	MM Mirzazadeh, Mohammad	University of Guilan	Optics	Rank 196
90	50,822	AP Ahmadi, Pouria	University of Tehran	Energy	Rank 639
91	51,828	SZ Shariatinia, Zahra	Amirkabir University of Technology	Inorganic & Nuclear Chemistry	Rank 305
92	52,813	NV Nourani, Vahid	University of Tabriz	Environmental Engineering	Rank 208
93	53,165	AM Aliha, Mohammad Reza Mohammad	Daneshgahe Elm va Sanat e Iran	Mechanical Engineering & Transports	Rank 349
94	54,270	EM Eslami, M.	University of Mazandaran	Optics	Rank 215
95	54,749	FJ Faiz, Jawad	University of Tehran	Electrical & Electronic Engineering	Rank 139
96	55,748	TM Taher, Mohammad Ali	Daneshgahe Shahid Bahonar-e-Kerman	Analytical Chemistry	Rank 361
97	58,247	GM Ganjali, Mohammad Reza	University of Tehran	Analytical Chemistry	Rank 378
98	58,427	OA Oryan, A.	Shiraz University	Veterinary Sciences	Rank 87
99	58,550	EM Esrafili, Mehdi D.	University of Maragheh	Chemical Physics	Rank 1,194
100	59,603	AA Azadeh, Ali	University of Tehran	Operations Research	Rank 199
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Countries with a similar count

Career-long list2024

Brazil1,077 scientistsin 2024

Greece1,065 scientistsin 2024

Singapore1,023 scientistsin 2024

Russia980 scientistsin 2024

Ireland836 scientistsin 2024

South Africa826 scientistsin 2024

Explore other countries

Career-long list2024

India2,939 scientistsin 2024

Pakistan223 scientistsin 2024

Bangladesh68 scientistsin 2024

Sri Lanka25 scientistsin 2024

China10,689 scientistsin 2024

Japan8,261 scientistsin 2024

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Frequently asked questions

How many scientists from Iran are in the 2024 Stanford Top 2% list?

2,325 scientists affiliated with Iran are on the 2024 single-year list, and 1,020 are on the career-long list.

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

On the 2024 career-long list, University of Tehran has the most listed scientists from Iran, with 71. It is followed by Sharif University of Technology with 53.

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 1,020 in 2024, a change of +135.6%.

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.