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).
Scientists in Iran on the list, by year
The career-long count has more than doubled since 2020.
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
Show the list
All 871 scientists
| Rank in Iran | World rank | Scientist | Institute | Sub-field | Rank in sub-field |
|---|---|---|---|---|---|
| 1 | 401 | Babol Noshirvani University of Technology | Mechanical Engineering & Transports | Rank 4 | |
| 2 | 2,246 | Amirkabir University of Technology | Numerical & Computational Mathematics | Rank 2 | |
| 3 | 2,276 | University of Kashan | Materials | Rank 28 | |
| 4 | 3,995 | Mashhad University of Medical Sciences | Medicinal & Biomolecular Chemistry | Rank 7 | |
| 5 | 5,055 | Sharif University of Technology | Applied Physics | Rank 142 | |
| 6 | 5,418 | Imam Khomeini International University | Numerical & Computational Mathematics | Rank 3 | |
| 7 | 5,433 | Babol Noshirvani University of Technology | Mechanical Engineering & Transports | Rank 32 | |
| 8 | 7,171 | Shahid Beheshti University of Medical Sciences, Research Institute for Endocrine Science | Endocrinology & Metabolism | Rank 210 | |
| 9 | 9,660 | Yasouj University | Organic Chemistry | Rank 214 | |
| 10 | 10,239 | Shiraz University of Technology | Energy | Rank 96 | |
| 11 | 11,134 | University of Tabriz | Chemical Engineering | Rank 36 | |
| 12 | 11,213 | Institute for Color Science and Technology | Chemical Engineering | Rank 38 | |
| 13 | 12,935 |
KA
|
Daneshgahe Elm va Sanat e Iran | Civil Engineering | Rank 13 |
| 14 | 13,075 | Gorgan University of Agricultural Sciences and Natural Resources | Food Science | Rank 42 | |
| 15 | 13,497 | University of Kurdistan | Nuclear & Particle Physics | Rank 190 | |
| 16 | 14,248 | Iranian Academic Center for Education, Culture and Research | General & Internal Medicine | Rank 224 | |
| 17 | 15,213 | Child Growth and Development Research Center, Isfahan UMS | General & Internal Medicine | Rank 239 | |
| 18 | 16,635 | Isfahan University of Technology | Analytical Chemistry | Rank 88 | |
| 19 | 17,478 | SBUMS Urology and Nephrology Research Center | Urology & Nephrology | Rank 189 | |
| 20 | 18,450 | Sharif University of Technology | Analytical Chemistry | Rank 97 | |
| 21 | 18,772 | University of Qom | Organic Chemistry | Rank 402 | |
| 22 | 19,338 | Sharif University of Technology | Materials | Rank 226 | |
| 23 | 20,336 |
MA
|
Daneshgahe Elm va Sanat e Iran | Organic Chemistry | Rank 426 |
| 24 | 20,517 | Iranian Research Organization for Science and Technology | Polymers | Rank 172 | |
| 25 | 20,939 | University of Tabriz | Electrical & Electronic Engineering | Rank 52 | |
| 26 | 21,473 | Tehran University of Medical Sciences | Pharmacology & Pharmacy | Rank 171 | |
| 27 | 22,107 | School of Pharmacy | Medicinal & Biomolecular Chemistry | Rank 64 | |
| 28 | 22,639 | Bu-Ali Sina University | Organic Chemistry | Rank 465 | |
| 29 | 23,088 | Islamic Azad University, Najafabad Branch | Mechanical Engineering & Transports | Rank 134 | |
| 30 | 24,029 | Razi University | Chemical Engineering | Rank 97 | |
| 31 | 25,305 | Graduate University of Advanced Technology | Energy | Rank 265 | |
| 32 | 26,777 | Persian Gulf University | Mechanical Engineering & Transports | Rank 151 | |
| 33 | 27,474 |
KY
|
Shahrekord University | Mechanical Engineering & Transports | Rank 160 |
| 34 | 28,013 | Bu-Ali Sina University | Analytical Chemistry | Rank 164 | |
| 35 | 29,644 | Digestive Oncology Research Center | General & Internal Medicine | Rank 414 | |
| 36 | 30,222 | Bu-Ali Sina University | Chemical Physics | Rank 677 | |
| 37 | 30,573 | Imam Hossein University | Mechanical Engineering & Transports | Rank 182 | |
| 38 | 32,058 | Tehran University of Medical Sciences | Environmental Sciences | Rank 165 | |
| 39 | 33,130 |
RN
|
Research Center for Immunodeficiencies | Immunology | Rank 1,068 |
| 40 | 34,995 | Roozbeh Hospital | Psychiatry | Rank 771 | |
| 41 | 35,997 | Sharif University of Technology | Networking & Telecommunications | Rank 295 | |
| 42 | 36,396 | Bu-Ali Sina University | Agronomy & Agriculture | Rank 153 | |
| 43 | 37,325 | Shiraz University | Nuclear & Particle Physics | Rank 563 | |
| 44 | 37,381 | Isfahan University of Technology | Polymers | Rank 336 | |
| 45 | 37,506 | Shiraz University | Geochemistry & Geophysics | Rank 627 | |
| 46 | 37,852 |
VH
|
Payame Noor University | Organic Chemistry | Rank 734 |
| 47 | 38,253 | Shahid Beheshti University | Organic Chemistry | Rank 741 | |
| 48 | 39,110 | Isfahan University of Medical Sciences | Nanoscience & Nanotechnology | Rank 413 | |
| 49 | 39,176 | School of Medicine | Biochemistry & Molecular Biology | Rank 1,679 | |
| 50 | 40,216 | Islamic Azad University, Rasht Branch | Energy | Rank 447 | |
| 51 | 40,965 | University of Tehran | Operations Research | Rank 133 | |
| 52 | 41,259 | Amirkabir University of Technology | Mechanical Engineering & Transports | Rank 251 | |
| 53 | 41,430 | Razi University | Analytical Chemistry | Rank 275 | |
| 54 | 41,758 | Daneshgahe Elm va Sanat e Iran | Materials | Rank 519 | |
| 55 | 42,031 | Daneshgahe Elm va Sanat e Iran | Chemical Engineering | Rank 155 | |
| 56 | 42,153 |
MA
|
Tarbiat Modares University | Inorganic & Nuclear Chemistry | Rank 250 |
| 57 | 42,176 | Isfahan University of Medical Sciences | Pharmacology & Pharmacy | Rank 367 | |
| 58 | 43,084 | Baqiyatallah University of Medical Sciences | Gastroenterology & Hepatology | Rank 658 | |
| 59 | 43,939 |
AR
|
University of Guilan | Mechanical Engineering & Transports | Rank 266 |
| 60 | 43,958 | Kashan University of Medical Sciences | Biochemistry & Molecular Biology | Rank 1,871 | |
| 61 | 45,041 | Research Center for Psychiatry and Behavioral Sciences | Psychiatry | Rank 933 | |
| 62 | 45,328 | Iranian Research Institute for Fundamental Sciences | Nuclear & Particle Physics | Rank 709 | |
| 63 | 45,493 | Babol University of Medical Sciences | General & Internal Medicine | Rank 608 | |
| 64 | 46,101 | Razi University | Chemical Engineering | Rank 168 | |
| 65 | 46,730 | Imam Khomeini International University | Mechanical Engineering & Transports | Rank 284 | |
| 66 | 46,974 | University of Tehran | Materials | Rank 587 | |
| 67 | 47,088 |
TD
|
Islamic Azad University | Mechanical Engineering & Transports | Rank 288 |
| 68 | 47,174 |
HS
|
Shiraz University | Nuclear & Particle Physics | Rank 744 |
| 69 | 47,635 |
NA
|
Islamic Azad University, Saveh Branch | Materials | Rank 598 |
| 70 | 47,742 | Shiraz University | Chemical Engineering | Rank 175 | |
| 71 | 47,768 |
HM
|
Ferdowsi University of Mashhad | Mechanical Engineering & Transports | Rank 293 |
| 72 | 48,341 | Islamic Azad University, Ardabil Branch | Networking & Telecommunications | Rank 396 | |
| 73 | 48,584 | Yazd University | Artificial Intelligence & Image Processing | Rank 945 | |
| 74 | 49,266 | Kermanshah University of Technology | Applied Mathematics | Rank 108 | |
| 75 | 49,478 | University of Mohaghegh Ardabili | Chemical Physics | Rank 1,036 | |
| 76 | 49,511 | Urmia University of Technology | Acoustics | Rank 95 | |
| 77 | 50,358 | Shiraz University of Technology | Applied Physics | Rank 1,312 | |
| 78 | 52,724 | University of Tabriz | Energy | Rank 621 | |
| 79 | 52,986 | Islamic Azad University, Najafabad Branch | Mechanical Engineering & Transports | Rank 330 | |
| 80 | 53,600 | Tarbiat Modares University | Mechanical Engineering & Transports | Rank 335 | |
| 81 | 54,187 |
NG
|
Tarbiat Modares University | Energy | Rank 643 |
| 82 | 54,515 | AbtinBerkeh Scientific Ltd. Company | Agronomy & Agriculture | Rank 250 | |
| 83 | 55,217 |
FJ
|
University of Tehran | Electrical & Electronic Engineering | Rank 139 |
| 84 | 56,023 | Daneshgahe Shahid Bahonar-e-Kerman | Analytical Chemistry | Rank 369 | |
| 85 | 57,130 | Shiraz University of Medical Sciences | Neurology & Neurosurgery | Rank 3,968 | |
| 86 | 57,783 | School of Pharmacy | Medicinal & Biomolecular Chemistry | Rank 176 | |
| 87 | 58,507 | University of Tabriz | Energy | Rank 693 | |
| 88 | 58,894 | University of Guilan | Optics | Rank 184 | |
| 89 | 60,728 | University of Tehran | Analytical Chemistry | Rank 407 | |
| 90 | 61,109 | University of Mazandaran | Optics | Rank 191 | |
| 91 | 61,659 |
ZY
|
Iranian Academic Center for Education, Culture and Research | Polymers | Rank 555 |
| 92 | 63,387 | Alzahra University | Organic Chemistry | Rank 1,209 | |
| 93 | 63,824 | Isfahan University of Technology | Applied Physics | Rank 1,669 | |
| 94 | 66,093 | Daneshgahe Elm va Sanat e Iran | Mechanical Engineering & Transports | Rank 421 | |
| 95 | 67,028 | University of Tehran | Energy | Rank 815 | |
| 96 | 67,479 | Sharif University of Technology | Industrial Engineering & Automation | Rank 504 | |
| 97 | 68,014 | University of Tabriz | Environmental Engineering | Rank 280 | |
| 98 | 68,512 | University of Maragheh | Chemical Physics | Rank 1,380 | |
| 99 | 69,089 | School of Medicine | Neurology & Neurosurgery | Rank 4,694 | |
| 100 | 69,195 | Isfahan University of Technology | Analytical Chemistry | Rank 474 | |
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See all 871 scientists in Iran
You are seeing the first 100. 771 more are on the 2023 career-long list.
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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.