Iran's Top 2% Scientists 2023: Career-Long List

Iran has 871 scientists on the 2023 career-long Top 2% list, up 17.4% from 742 in 2022. That places Iran 31st in the world by number of listed scientists. University of Tehran has the most listed scientists (59), followed by Sharif University of Technology (46).

Single Year

2,141

+198 (+10.2%) vs 2022

Career Data

871

+129 (+17.4%) vs 2022

World rank by count

#31

No change vs 2022

Institutes

220

+30 (+15.8%) vs 2022

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 list2023

Show the list

All 871 scientists

Career-long list2023

The first 100 are free to browse.

Export CSV

Rank in Iran	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	401	Sheikholeslami, Mohsen	Babol Noshirvani University of Technology	Mechanical Engineering & Transports	Rank 4
2	2,246	DM Dehghan, Mehdi	Amirkabir University of Technology	Numerical & Computational Mathematics	Rank 2
3	2,276	SM Salavati-Niasari, Masoud	University of Kashan	Materials	Rank 28
4	3,995	SA Sahebkar, Amirhossein	Mashhad University of Medical Sciences	Medicinal & Biomolecular Chemistry	Rank 7
5	5,055	AO Akhavan, Omid	Sharif University of Technology	Applied Physics	Rank 142
6	5,418	AS Abbasbandy, Saeid	Imam Khomeini International University	Numerical & Computational Mathematics	Rank 3
7	5,433	GD Ganji, Davood Domiri	Babol Noshirvani University of Technology	Mechanical Engineering & Transports	Rank 32
8	7,171	AF Azizi, Fereidoun	Shahid Beheshti University of Medical Sciences, Research Institute for Endocrine Science	Endocrinology & Metabolism	Rank 210
9	9,660	GM Ghaedi, Mehrorang	Yasouj University	Organic Chemistry	Rank 214
10	10,239	NT Niknam, Taher	Shiraz University of Technology	Energy	Rank 96
11	11,134	KA Khataee, Alireza	University of Tabriz	Chemical Engineering	Rank 36
12	11,213	Mahmoodi, Niyaz Mohammad	Institute for Color Science and Technology	Chemical Engineering	Rank 38
13	12,935	KA Kaveh, Ali	Daneshgahe Elm va Sanat e Iran	Civil Engineering	Rank 13
14	13,075	Jafari, Seid Mahdi	Gorgan University of Agricultural Sciences and Natural Resources	Food Science	Rank 42
15	13,497	SM Setare, M. R.	University of Kurdistan	Nuclear & Particle Physics	Rank 190
16	14,248	MA Montazeri, Ali	Iranian Academic Center for Education, Culture and Research	General & Internal Medicine	Rank 224
17	15,213	KR Kelishadi, Roya	Child Growth and Development Research Center, Isfahan UMS	General & Internal Medicine	Rank 239
18	16,635	EA Ensafi, Ali A.	Isfahan University of Technology	Analytical Chemistry	Rank 88
19	17,478	SM Safarinejad, Mohammad R.	SBUMS Urology and Nephrology Research Center	Urology & Nephrology	Rank 189
20	18,450	SS shahrokhian, Saeed	Sharif University of Technology	Analytical Chemistry	Rank 97
21	18,772	NM Nasrollahzadeh, Mahmoud	University of Qom	Organic Chemistry	Rank 402
22	19,338	SA Simchi, Abdolreza	Sharif University of Technology	Materials	Rank 226
23	20,336	MA Maleki, Ali	Daneshgahe Elm va Sanat e Iran	Organic Chemistry	Rank 426
24	20,517	AA Ashori, Alireza	Iranian Research Organization for Science and Technology	Polymers	Rank 172
25	20,939	BE Babaei, Ebrahim	University of Tabriz	Electrical & Electronic Engineering	Rank 52
26	21,473	Abdollahi, Mohammad	Tehran University of Medical Sciences	Pharmacology & Pharmacy	Rank 171
27	22,107	HH Hosseinzadeh, Hossein	School of Pharmacy	Medicinal & Biomolecular Chemistry	Rank 64
28	22,639	ZM Zolfigol, Mohammad Ali	Bu-Ali Sina University	Organic Chemistry	Rank 465
29	23,088	AM Afrand, Masoud	Islamic Azad University, Najafabad Branch	Mechanical Engineering & Transports	Rank 134
30	24,029	MS Madaeni, S. S.	Razi University	Chemical Engineering	Rank 97
31	25,305	AA Askarzadeh, Alireza	Graduate University of Advanced Technology	Energy	Rank 265
32	26,777	MP Malekzadeh, Parviz	Persian Gulf University	Mechanical Engineering & Transports	Rank 151
33	27,474	KY Kiani, Y.	Shahrekord University	Mechanical Engineering & Transports	Rank 160
34	28,013	AA Afkhami, Abbas	Bu-Ali Sina University	Analytical Chemistry	Rank 164
35	29,644	MR Malekzadeh, Reza	Digestive Oncology Research Center	General & Internal Medicine	Rank 414
36	30,222	AS Azizian, Saeid	Bu-Ali Sina University	Chemical Physics	Rank 677
37	30,573	HE Hemmat Esfe, Mohammad	Imam Hossein University	Mechanical Engineering & Transports	Rank 182
38	32,058	MA Mahvi, Amir Hossein	Tehran University of Medical Sciences	Environmental Sciences	Rank 165
39	33,130	RN Rezaei, Nima	Research Center for Immunodeficiencies	Immunology	Rank 1,068
40	34,995	AS Akhondzadeh, Shahin	Roozbeh Hospital	Psychiatry	Rank 771
41	35,997	SJ Salehi, Jawad A.	Sharif University of Technology	Networking & Telecommunications	Rank 295
42	36,396	JM Jalali, Mohsen	Bu-Ali Sina University	Agronomy & Agriculture	Rank 153
43	37,325	SA Sheykhi, Ahmad	Shiraz University	Nuclear & Particle Physics	Rank 563
44	37,381	MS Mallakpour, Shadpour	Isfahan University of Technology	Polymers	Rank 336
45	37,506	Pourghasemi, Hamid Reza	Shiraz University	Geochemistry & Geophysics	Rank 627
46	37,852	VH Veisi, Hojat	Payame Noor University	Organic Chemistry	Rank 734
47	38,253	SA Shaabani, Ahmad	Shahid Beheshti University	Organic Chemistry	Rank 741
48	39,110	IS Iravani, Siavash	Isfahan University of Medical Sciences	Nanoscience & Nanotechnology	Rank 413
49	39,176	HY Hatefi, Youssef	School of Medicine	Biochemistry & Molecular Biology	Rank 1,679
50	40,216	RJ Rezaee Jordehi, Ahmad	Islamic Azad University, Rasht Branch	Energy	Rank 447
51	40,965	TA Taleizadeh, Ata Allah	University of Tehran	Operations Research	Rank 133
52	41,259	BM Barati, Mohammad Reza	Amirkabir University of Technology	Mechanical Engineering & Transports	Rank 251
53	41,430	SM Shamsipur, Mojtaba	Razi University	Analytical Chemistry	Rank 275
54	41,758	SM Shokrieh, M. M.	Daneshgahe Elm va Sanat e Iran	Materials	Rank 519
55	42,031	MT Mohammadi, Toraj	Daneshgahe Elm va Sanat e Iran	Chemical Engineering	Rank 155
56	42,153	MA Morsali, Ali	Tarbiat Modares University	Inorganic & Nuclear Chemistry	Rank 250
57	42,176	VJ Varshosaz, Jaleh	Isfahan University of Medical Sciences	Pharmacology & Pharmacy	Rank 367
58	43,084	AS Alavian, Seyed	Baqiyatallah University of Medical Sciences	Gastroenterology & Hepatology	Rank 658
59	43,939	AR Ansari, Reza	University of Guilan	Mechanical Engineering & Transports	Rank 266
60	43,958	MH Mirzaei, Hamed	Kashan University of Medical Sciences	Biochemistry & Molecular Biology	Rank 1,871
61	45,041	GA Ghanizadeh, Ahmad	Research Center for Psychiatry and Behavioral Sciences	Psychiatry	Rank 933
62	45,328	SM Sheikh-Jabbari, M. M.	Iranian Research Institute for Fundamental Sciences	Nuclear & Particle Physics	Rank 709
63	45,493	HK Hajian-Tilaki, Karimollah	Babol University of Medical Sciences	General & Internal Medicine	Rank 608
64	46,101	BM Bahiraei, Mehdi	Razi University	Chemical Engineering	Rank 168
65	46,730	EF Ebrahimi, Farzad	Imam Khomeini International University	Mechanical Engineering & Transports	Rank 284
66	46,974	MH Mirzadeh, Hamed	University of Tehran	Materials	Rank 587
67	47,088	TD Toghraie, D.	Islamic Azad University	Mechanical Engineering & Transports	Rank 288
68	47,174	HS Hendi, S. H.	Shiraz University	Nuclear & Particle Physics	Rank 744
69	47,635	NA Nazari, Ali	Islamic Azad University, Saveh Branch	Materials	Rank 598
70	47,742	RM Rahimpour, Mohammad Reza	Shiraz University	Chemical Engineering	Rank 175
71	47,768	HM Hatami, M.	Ferdowsi University of Mashhad	Mechanical Engineering & Transports	Rank 293
72	48,341	GN Ghadimi, Noradin	Islamic Azad University, Ardabil Branch	Networking & Telecommunications	Rank 396
73	48,584	DB Davvaz, Bijan	Yazd University	Artificial Intelligence & Image Processing	Rank 945
74	49,266	GB Ghanbari, Behzad	Kermanshah University of Technology	Applied Mathematics	Rank 108
75	49,478	HA Habibi-Yangjeh, Aziz	University of Mohaghegh Ardabili	Chemical Physics	Rank 1,036
76	49,511	AM Aghababa, Mohammad Pourmahmood	Urmia University of Technology	Acoustics	Rank 95
77	50,358	SH Shokrollahi, H.	Shiraz University of Technology	Applied Physics	Rank 1,312
78	52,724	YM Yari, Mortaza	University of Tabriz	Energy	Rank 621
79	52,986	KA Karimipour, Arash	Islamic Azad University, Najafabad Branch	Mechanical Engineering & Transports	Rank 330
80	53,600	AA Alibeigloo, A.	Tarbiat Modares University	Mechanical Engineering & Transports	Rank 335
81	54,187	NG Najafi, Gh	Tarbiat Modares University	Energy	Rank 643
82	54,515	MM Miransari, Mohammad	AbtinBerkeh Scientific Ltd. Company	Agronomy & Agriculture	Rank 250
83	55,217	FJ Faiz, Jawad	University of Tehran	Electrical & Electronic Engineering	Rank 139
84	56,023	TM Taher, Mohammad Ali	Daneshgahe Shahid Bahonar-e-Kerman	Analytical Chemistry	Rank 369
85	57,130	AA Asadi-Pooya, Ali A.	Shiraz University of Medical Sciences	Neurology & Neurosurgery	Rank 3,968
86	57,783	SA Shafiee, Abbas	School of Pharmacy	Medicinal & Biomolecular Chemistry	Rank 176
87	58,507	MB Mohammadi-Ivatloo, Behnam	University of Tabriz	Energy	Rank 693
88	58,894	MM Mirzazadeh, M.	University of Guilan	Optics	Rank 184
89	60,728	GM Ganjali, Mohammad Reza	University of Tehran	Analytical Chemistry	Rank 407
90	61,109	EM Eslami, Mostafa	University of Mazandaran	Optics	Rank 191
91	61,659	ZY Zare, Yasser	Iranian Academic Center for Education, Culture and Research	Polymers	Rank 555
92	63,387	HM Heravi, Majid	Alzahra University	Organic Chemistry	Rank 1,209
93	63,824	MM Momeni, Mohamad Mohsen	Isfahan University of Technology	Applied Physics	Rank 1,669
94	66,093	AM Aliha, M. R.M.	Daneshgahe Elm va Sanat e Iran	Mechanical Engineering & Transports	Rank 421
95	67,028	AP Ahmadi, Pouria	University of Tehran	Energy	Rank 815
96	67,479	TM Tavazoei, Mohammad Saleh	Sharif University of Technology	Industrial Engineering & Automation	Rank 504
97	68,014	NV Nourani, Vahid	University of Tabriz	Environmental Engineering	Rank 280
98	68,512	EM Esrafili, Mehdi D.	University of Maragheh	Chemical Physics	Rank 1,380
99	69,089	ZM Zarrindast, Mohammad Reza	School of Medicine	Neurology & Neurosurgery	Rank 4,694
100	69,195	RB Rezaei, Behzad	Isfahan University of Technology	Analytical Chemistry	Rank 474
No scientists match this filter.

Showing 1 to 100 of the first 100 Show

Paid plans

See all 871 scientists in Iran

You are seeing the first 100. 771 more are on the 2023 career-long list.

Ranks 101 to 871The whole list, not only the top 100.

Every year since 2020Single Year and Career Data.

Search the full listBy name, institute or sub-field.

CSV exportDownload the list for your own work.

View Plans & Upgrade Compare plans

Cancel anytime · Secure billing

Countries with a similar count

Career-long list2023

Greece971 scientistsin 2023

Singapore956 scientistsin 2023

Russia906 scientistsin 2023

South Africa775 scientistsin 2023

Ireland769 scientistsin 2023

Saudi Arabia576 scientistsin 2023

Explore other countries

Career-long list2023

India2,578 scientistsin 2023

Pakistan187 scientistsin 2023

Bangladesh58 scientistsin 2023

Sri Lanka24 scientistsin 2023

China9,013 scientistsin 2023

Japan8,126 scientistsin 2023

All countries on the world map

Frequently asked questions

How many scientists from Iran are in the 2023 Stanford Top 2% list?

2,141 scientists affiliated with Iran are on the 2023 single-year list, and 871 are on the career-long list.

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

On the 2023 career-long list, University of Tehran has the most listed scientists from Iran, with 59. It is followed by Sharif University of Technology with 46.

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 871 in 2023, a change of +101.2%.

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.