Iran's Top 2% Scientists 2024

Iran has 2,325 scientists on the 2024 single-year Top 2% list, up 8.6% from 2,141 in 2023. That places Iran 16th in the world by number of listed scientists. University of Tehran has the most listed scientists (124), followed by Tehran University of Medical Sciences (114).

Single Year

2,325

+184 (+8.6%) vs 2023

Career Data

1,020

+149 (+17.1%) vs 2023

World rank by count

#16

No change vs 2023

Institutes

282

-165 (-36.9%) vs 2023

Scientists in Iran on the list, by year

The single-year count has more than doubled since 2020.

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 list2024

Show the list

All 2,325 scientists

Single-year 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	181	Sheikholeslami, Mohsen	Babol Noshirvani University of Technology	Mechanical Engineering & Transports	Rank 1
2	248	SA Sahebkar, Amirhossein	Mashhad University of Medical Sciences	Medicinal & Biomolecular Chemistry	Rank 1
3	427	Mahmoodi, Niyaz Mohammad	Institute for Color Science and Technology	Chemical Engineering	Rank 4
4	520	SM Salavati-Niasari, Masoud	University of Kashan	Materials	Rank 8
5	568	Jafari, Seid Mahdi	Gorgan University of Agricultural Sciences and Natural Resources	Food Science	Rank 5
6	952	KA Kaveh, Ali	Daneshgahe Elm va Sanat e Iran	Civil Engineering	Rank 2
7	1,230	IS Iravani, Siavash	Independent Researcher	Nanoscience & Nanotechnology	Rank 38
8	1,499	AO Akhavan, Omid	Sharif University of Technology	Applied Physics	Rank 43
9	1,565	RJ Rezaee Jordehi, Ahmad	Islamic Azad University, Rasht Branch	Energy	Rank 43
10	1,766	Pourghasemi, Hamid Reza	Shiraz University	Geochemistry & Geophysics	Rank 14
11	1,932	GB Ghanbari, Behzad	Kermanshah University of Technology	General Physics	Rank 16
12	2,108	MA Maleki, Ali	Daneshgahe Elm va Sanat e Iran	Organic Chemistry	Rank 27
13	2,671	NM Nasrollahzadeh, Mahmoud	University of Qom	Organic Chemistry	Rank 36
14	2,865	GF Gharehchopogh, Farhad Soleimanian	Islamic Azad University, Urmia Branch	Artificial Intelligence & Image Processing	Rank 149
15	2,998	AA Askarzadeh, Alireza	Graduate University of Advanced Technology	Energy	Rank 74
16	3,182	RN Rezaei, Nima	Tehran University of Medical Sciences	Immunology	Rank 76
17	3,586	GD Ganji, Davood Domiri	Babol Noshirvani University of Technology	Mechanical Engineering & Transports	Rank 34
18	3,588	KA Khataee, Alireza	University of Tabriz	Chemical Engineering	Rank 16
19	3,776	KY Kiani, Yaser	Shahrekord University	Mechanical Engineering & Transports	Rank 37
20	3,787	MK Mortezaee, Keywan	Kurdistan University of Medical Sciences	Biochemistry & Molecular Biology	Rank 72
21	3,801	MH Mirzaei, Hamed	Kashan University of Medical Sciences	Oncology & Carcinogenesis	Rank 110
22	3,999	DM Dehghan, Mehdi	Amirkabir University of Technology	Numerical & Computational Mathematics	Rank 7
23	4,218	SZ Shariatinia, Zahra	Amirkabir University of Technology	Inorganic & Nuclear Chemistry	Rank 13
24	4,352	AF Azizi, Fereidoun	Shahid Beheshti University of Medical Sciences	Endocrinology & Metabolism	Rank 74
25	4,444	TD Toghraie, Davood	Islamic Azad University	Mechanical Engineering & Transports	Rank 46
26	4,466	AM Afrand, Masoud	Islamic Azad University, Najafabad Branch	Mechanical Engineering & Transports	Rank 47
27	4,485	EH Etesami, Hassan	University of Tehran	Plant Biology & Botany	Rank 46
28	4,783	KR Kelishadi, Roya	Isfahan University of Medical Sciences	General & Internal Medicine	Rank 91
29	4,895	GN Ghadimi, Noradin	Islamic Azad University, Ardabil Branch	Energy	Rank 114
30	5,229	AM Aghbashlo, Mortaza	University of Tehran	Energy	Rank 121
31	5,565	Abdollahi, Mohammad	Tehran University of Medical Sciences	Pharmacology & Pharmacy	Rank 26
32	5,664	FF Farzadfar, Farshad	Endocrinology and Metabolism Research Institute (TUMS)	General & Internal Medicine	Rank 107
33	5,941	AP Ahmadi, Pouria	University of Tehran	Energy	Rank 140
34	6,130	BE Babaei, Ebrahim	University of Tabriz	Electrical & Electronic Engineering	Rank 22
35	6,234	SS Safiri, Saeid	Tabriz University of Medical Sciences	General & Internal Medicine	Rank 118
36	6,309	JA Jouyban, Abolghasem	Tabriz University of Medical Sciences	Chemical Engineering	Rank 29
37	6,852	MA Maleki, Akbar	Shahrood University of Technology	Energy	Rank 163
38	6,893	HH Hosseinzadeh, Hossein	Mashhad University of Medical Sciences	Medicinal & Biomolecular Chemistry	Rank 21
39	7,325	HA Heidari, Ali Asghar	University of Tehran	Artificial Intelligence & Image Processing	Rank 350
40	7,496	RB Ramezanzadeh, B.	Institute for Color Science and Technology	Polymers	Rank 44
41	7,550	RH Rezazadeh, Hadi	Amol University of Special Modern Technologies	Optoelectronics & Photonics	Rank 9
42	7,594	MH Mirzadeh, Hamed	University of Tehran	Materials	Rank 122
43	7,808	EM Esfe, Mohammad Hemmat	Nanofluid Advanced Research Team	Mechanical Engineering & Transports	Rank 80
44	7,828	TA Taleizadeh, Ata Allah	University of Tehran	Operations Research	Rank 34
45	8,098	GM Ghaedi, Mehrorang	Yasouj University	Analytical Chemistry	Rank 31
46	8,515	MM Mansournia, Mohammad Ali	Tehran University of Medical Sciences	General & Internal Medicine	Rank 157
47	8,579	NG Najafi, Gholamhassan	Tarbiat Modares University	Energy	Rank 202
48	8,654	BM Bahiraei, Mehdi	Razi University	Chemical Engineering	Rank 38
49	9,138	MA Mahvi, Amir Hossein	Tehran University of Medical Sciences	Environmental Sciences	Rank 175
50	9,149	AM Aliha, Mohammad Reza Mohammad	Daneshgahe Elm va Sanat e Iran	Mechanical Engineering & Transports	Rank 94
51	9,184	AM Arefi, Mohammad	University of Kashan	Mechanical Engineering & Transports	Rank 95
52	9,425	KM Keshavarz-Ghorabaee, Mehdi	Gonbad Kavous University	Economics	Rank 183
53	9,679	NV Nourani, Vahid	University of Tabriz	Environmental Engineering	Rank 44
54	10,024	ZY Zare, Yasser	Breast Disease Research Center	Materials	Rank 172
55	10,107	VH Veisi, Hojat	Payame Noor University	Organic Chemistry	Rank 119
56	10,162	MA Montazeri, Ali	Iranian Institute for Health Sciences Research	General & Internal Medicine	Rank 181
57	10,230	SB Salehi, Bahare	Shahid Beheshti University of Medical Sciences	Biochemistry & Molecular Biology	Rank 187
58	10,258	EF Ebrahimi, Farzad	Imam Khomeini International University	Mechanical Engineering & Transports	Rank 104
59	10,350	RE Rasoulinezhad, Ehsan	University of Tehran	Economics	Rank 194
60	10,661	NT Niknam, Taher	Shiraz University of Technology	Energy	Rank 262
61	10,730	SS Shahrokhian, Saeed	Sharif University of Technology	Analytical Chemistry	Rank 51
62	10,877	NH Namazi, Hassan	University of Tabriz	Polymers	Rank 64
63	10,888	EA Ensafi, Ali A.	Isfahan University of Technology	Analytical Chemistry	Rank 52
64	11,063	HK Hajian-Tilaki, Karimollah	Babol University of Medical Sciences	General & Internal Medicine	Rank 189
65	11,085	AA Ashori, Alireza	Iranian Research Organization for Science and Technology	Polymers	Rank 66
66	11,140	AS Azizian, Saeid	Bu-Ali Sina University	Chemical Physics	Rank 194
67	11,227	MM Mehrpooya, Mehdi	University of Tehran	Energy	Rank 279
68	11,366	GS Ghafouri-Fard, Soudeh	Shahid Beheshti University of Medical Sciences	Oncology & Carcinogenesis	Rank 363
69	11,543	IM Izadi, Mohsen	Lorestan University	Mechanical Engineering & Transports	Rank 120
70	11,656	AM Alavi, Mehran	University of Kurdistan	Pharmacology & Pharmacy	Rank 58
71	11,788	ZV Zare, Vahid	University of Tabriz	Energy	Rank 287
72	11,802	NA Nezamzadeh-Ejhieh, Alireza	Islamic Azad University, Shahreza Branch	Chemical Physics	Rank 207
73	11,898	ZS Zinatloo-Ajabshir, Sahar	University of Bonab	Materials	Rank 208
74	12,031	HM Hatami, Mohammad	Esfarayen University of Technology	Mechanical Engineering & Transports	Rank 123
75	12,181	MR Malekzadeh, Reza	Tehran University of Medical Sciences	General & Internal Medicine	Rank 201
76	12,222	VV Vatanpour, Vahid	Kharazmi University	Chemical Engineering	Rank 59
77	12,358	MM Miransari, Mohammad	AbtinBerkeh Scientific Ltd. Company	Agronomy & Agriculture	Rank 71
78	12,507	AS Abbasbandy, Saeid	Imam Khomeini International University	Numerical & Computational Mathematics	Rank 22
79	12,683	DA Derakhshan, Ali	Golestan University	Languages & Linguistics	Rank 57
80	12,984	SF Salehi, Fakhreddin	Bu-Ali Sina University	Food Science	Rank 90
81	13,107	RB Ramavandi, Bahman	Bushehr University of Medical Sciences	Environmental Sciences	Rank 245
82	13,111	YM Yari, Mortaza	University of Tabriz	Energy	Rank 310
83	13,577	SA Simchi, Abdolreza	Sharif University of Technology	Materials	Rank 245
84	13,703	KB Keshtegar, Behrooz	University of Zabol	Mechanical Engineering & Transports	Rank 137
85	13,767	MB Maleki, Behrooz	University of Mazandaran	Organic Chemistry	Rank 166
86	13,859	SA Shahsavar, Amin	Kermanshah University of Technology	Energy	Rank 327
87	14,457	NS Nabavi, Seyed Mohammad	Baqiyatallah University of Medical Sciences	Medicinal & Biomolecular Chemistry	Rank 43
88	14,478	MO Moradi, Omid	Islamic Azad University, Shahr-e Qods Branch	Nanoscience & Nanotechnology	Rank 441
89	14,808	BM Baghayeri, Mehdi	Hakim Sabzevari University	Analytical Chemistry	Rank 62
90	15,061	MB Mohammadi-Ivatloo, Behnam	University of Tabriz	Energy	Rank 358
91	15,234	OA Oryan, A.	Shiraz University	Veterinary Sciences	Rank 6
92	15,716	AA Akbarzadeh, Abolfazl	Tabriz University of Medical Sciences	Pharmacology & Pharmacy	Rank 77
93	15,774	AZ Asemi, Zatollah	Kashan University of Medical Sciences	Nutrition & Dietetics	Rank 101
94	15,819	AM Ahmadi, Mohammad Hossein	Shahrood University of Technology	Energy	Rank 383
95	16,034	FA Fattah-alhosseini, Arash	Bu-Ali Sina University	Materials	Rank 283
96	16,174	RV Rahimi-Movaghar, Vafa	Tehran University of Medical Sciences	General & Internal Medicine	Rank 251
97	16,440	JM Jalali, Mohsen	Bu-Ali Sina University	Environmental Sciences	Rank 320
98	16,902	DM Dehghani, Mohammad Hadi	Tehran University of Medical Sciences	Environmental Sciences	Rank 326
99	17,005	GF Ghanbari, Farshid	Abadan University of Medical Sciences	Chemical Engineering	Rank 99
100	17,100	KE kianfar, Ehsan	Islamic Azad University, Gachsaran Branch	Nanoscience & Nanotechnology	Rank 548
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Countries with a similar count

Single-year list2024

South Korea3,498 scientistsin 2024

Switzerland3,404 scientistsin 2024

Sweden2,644 scientistsin 2024

Denmark2,013 scientistsin 2024

Belgium2,007 scientistsin 2024

Saudi Arabia1,684 scientistsin 2024

Explore other countries

Single-year list2024

India5,351 scientistsin 2024

Pakistan842 scientistsin 2024

Bangladesh205 scientistsin 2024

Sri Lanka43 scientistsin 2024

Nepal26 scientistsin 2024

China27,166 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 single-year list, University of Tehran has the most listed scientists from Iran, with 124. It is followed by Tehran University of Medical Sciences with 114.

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

On the single-year list, Iran went from 1,154 scientists in 2020 to 2,325 in 2024, a change of +101.5%.

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.