All countries
IRN

Iran's Top 2% Scientists 2025: Career-Long List

Iran has 1,201 scientists on the 2025 career-long Top 2% list, up 17.7% from 1,020 in 2024. That places Iran 26th in the world by number of listed scientists, up 4 places. University of Tehran has the most listed scientists (78), followed by Sharif University of Technology (53).

Single Year
2,534
+209 (+9.0%) vs 2024
Career Data
1,201
+181 (+17.7%) vs 2024
World rank by count
#26
up 4 places vs 2024
Institutes
246
+54 (+28.1%) vs 2024

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
YearSingle YearChangeCareer DataChange
20201,154433
20211,701+47.4%654+51.0%
20221,943+14.2%742+13.5%
20232,141+10.2%871+17.4%
20242,325+8.6%1,020+17.1%
20252,534+9.0%1,201+17.7%

Top 10 institutes in Iran

By number of listed scientists

Career-long list2025
Show the list
  1. 1University of Tehran78
  2. 2Sharif University of Technology53
  3. 3Amirkabir University of Technology46
  4. 4Iran University of Science and Technology38
  5. 5Tehran University of Medical Sciences38
  6. 6Shiraz University36
  7. 7University of Tabriz35
  8. 8Tarbiat Modares University34
  9. 9Isfahan University of Technology33
  10. 10Ferdowsi University of Mashhad21

All 1,201 scientists

Career-long list2025

The first 100 are free to browse.

Rank in Iran World rank Scientist Institute Sub-field Rank in sub-field
1 327 Babol Noshirvani University of Technology Mechanical Engineering & Transports Rank 2
2 1,630 University of Kashan Materials Rank 23
3 1,640 Mashhad University of Medical Sciences Medicinal & Biomolecular Chemistry Rank 3
4 1,909 Amirkabir University of Technology Numerical & Computational Mathematics Rank 3
5 4,108 Sharif University of Technology Applied Physics Rank 116
6 4,455 Babol Noshirvani University of Technology Mechanical Engineering & Transports Rank 30
7 5,363 Institute for Color Science and Technology Chemical Engineering Rank 18
8 5,458 Shahid Beheshti University of Medical Sciences, Research Institute for Endocrine Science Endocrinology & Metabolism Rank 162
9 5,462 Iran University of Science and Technology, College of Civil Engineering Tehran Civil Engineering Rank 6
10 5,707 Gorgan University of Agricultural Sciences and Natural Resources Food Science Rank 19
11 5,727 Imam Khomeini International University Numerical & Computational Mathematics Rank 4
12 7,613 University of Tabriz Chemical Engineering Rank 26
13 8,286 Yasouj University Analytical Chemistry Rank 40
14 9,170 Shiraz University of Technology Energy Rank 101
15 11,788 Isfahan University of Medical Sciences General & Internal Medicine Rank 183
16 12,127 Iran University of Science and Technology Organic Chemistry Rank 262
17 12,312 Iranian Institute for Health Sciences Research General & Internal Medicine Rank 190
18 12,800 University of Qom Organic Chemistry Rank 278
19 13,829 Isfahan University of Technology Analytical Chemistry Rank 74
20 14,161 University of Kurdistan Nuclear & Particle Physics Rank 190
21 15,611 Boostan Ave Nanoscience & Nanotechnology Rank 239
22 15,740 Pharmaceutical Analysis Research Center Chemical Engineering Rank 57
23 15,878 School of Pharmacy Pharmacology & Pharmacy Rank 104
24 16,258 Sharif University of Technology Materials Rank 198
25 16,320 Sharif University of Technology, Department of Chemistry Analytical Chemistry Rank 85
26 16,482 Tehran University of Medical Sciences Immunology Rank 575
27 16,725 Mashhad University of Medical Sciences Medicinal & Biomolecular Chemistry Rank 51
28 16,736 University of Tabriz Electrical & Electronic Engineering Rank 45
29 16,750 Islamic Azad University, Najafabad Branch Mechanical Engineering & Transports Rank 108
30 17,107 School of Medicine Urology & Nephrology Rank 177
31 17,140 Iranian Research Organization for Science and Technology Polymers Rank 138
32 18,309 Islamic Azad University, Rasht Branch Energy Rank 210
33 18,650 Shahrekord University Mechanical Engineering & Transports Rank 121
34 19,974 Graduate University of Advanced Technology Energy Rank 230
35 21,742 Shiraz University Geochemistry & Geophysics Rank 358
36 22,526 Bu-Ali Sina University Organic Chemistry Rank 457
37 22,633 Semnan University Mechanical Engineering & Transports Rank 146
38 23,531 Kermanshah University of Technology General Physics Rank 128
39 23,544 Tehran University of Medical Sciences Environmental Sciences Rank 152
40 24,719 Razi University Chemical Engineering Rank 99
41 24,909 Bu-Ali Sina University Chemical Physics Rank 539
42 24,952 Kashan University of Medical Sciences Oncology & Carcinogenesis Rank 1,104
43 25,912 Persian Gulf University Mechanical Engineering & Transports Rank 163
44 26,070 Sharif University of Technology Energy Rank 306
45 26,367 Islamic Azad University Mechanical Engineering & Transports Rank 167
46 26,518 Bu-Ali Sina University Analytical Chemistry Rank 153
47 26,640 Isfahan University of Technology Polymers Rank 225
48 27,527 Tehran University of Medical Sciences General & Internal Medicine Rank 397
49 28,377 University of Tehran Materials Rank 349
50 28,661 Tehran University of Medical Sciences Psychiatry Rank 668
51 28,678 Payame Noor University Organic Chemistry Rank 557
52 29,379 Bu-Ali Sina University Environmental Sciences Rank 186
53 30,114 University of Tehran Operations Research Rank 97
54 30,775 Shiraz University Nuclear & Particle Physics Rank 438
55 31,524 Razi University Chemical Engineering Rank 120
56 32,699 Shiraz University of Medical Sciences Neurology & Neurosurgery Rank 2,363
57 33,832 University of Tehran Energy Rank 419
58 34,265 Isfahan University of Medical Sciences Pharmacology & Pharmacy Rank 284
59 35,271 Babol University of Medical Sciences, Faculty of Medicine General & Internal Medicine Rank 485
60 35,500 Islamic Azad University, Ardabil Branch Energy Rank 449
61 35,758 Iran University of Science and Technology Materials Rank 455
62 36,364 Esfarayen University of Technology Mechanical Engineering & Transports Rank 228
63 36,854 University of Tabriz Energy Rank 469
64 37,114 Shahid Beheshti University Organic Chemistry Rank 696
65 37,458 Tarbiat Modares University Inorganic & Nuclear Chemistry Rank 206
66 37,487 University of Kashan Mechanical Engineering & Transports Rank 241
67 37,784 Sharif University of Technology Nuclear & Particle Physics Rank 552
68 38,265 Azarbaijan Shahid Madani University Networking & Telecommunications Rank 317
69 38,381 Shiraz University Nuclear & Particle Physics Rank 560
70 38,424 Shiraz University Chemical Engineering Rank 151
71 38,972 Iranian Academic Center for Education, Culture and Research Materials Rank 507
72 39,210 Imam Khomeini International University Mechanical Engineering & Transports Rank 252
73 39,301 University of Tabriz Energy Rank 494
74 39,701 Iran University of Science and Technology Chemical Engineering Rank 156
75 40,084 Tarbiat Modares University Energy Rank 502
76 40,323 Amirkabir University of Technology Inorganic & Nuclear Chemistry Rank 225
77 40,344 Baqiyatallah University of Medical Sciences Gastroenterology & Hepatology Rank 606
78 40,395 University of Guilan Mechanical Engineering & Transports Rank 262
79 40,458 Amirkabir University of Technology Mechanical Engineering & Transports Rank 263
80 41,084 Islamic Azad University, Saveh Branch Materials Rank 536
81 41,451 Research Center for Psychiatry and Behavioral Sciences Psychiatry Rank 881
82 41,581 University of Mohaghegh Ardabili Chemical Physics Rank 854
83 41,611 Iran University of Science and Technology Mechanical Engineering & Transports Rank 277
84 42,118 Babol Noshirvani University of Technology Chemical Engineering Rank 168
85 42,163 Iranian Research Institute for Fundamental Sciences Nuclear & Particle Physics Rank 616
86 42,622 Semnan University Environmental Engineering Rank 165
87 42,788 Razi University Analytical Chemistry Rank 276
88 43,233 School of Medicine Biochemistry & Molecular Biology Rank 1,698
89 43,403 AbtinBerkeh Scientific Ltd. Company Agronomy & Agriculture Rank 198
90 43,475 Shiraz University of Technology Applied Physics Rank 1,055
91 43,525 Islamic Azad University, Najafabad Branch Mechanical Engineering & Transports Rank 287
92 43,912 University of Tabriz Environmental Engineering Rank 171
93 45,765 Kurdistan University of Medical Sciences Biochemistry & Molecular Biology Rank 1,781
94 46,042 Tarbiat Modares University Mechanical Engineering & Transports Rank 305
95 46,068 University of Guilan Optics Rank 182
96 47,335 University of Tehran Energy Rank 610
97 47,703 Yazd University General Mathematics Rank 190
98 48,281 Bu-Ali Sina University Chemical Physics Rank 983
99 49,223 Urmia University of Technology Acoustics Rank 92
100 50,685 University of Mazandaran Optoelectronics & Photonics Rank 123
Showing 1 to 100 of the first 100
Paid plans

See all 1,201 scientists in Iran

You are seeing the first 100. 1,101 more are on the 2025 career-long list.

Ranks 101 to 1,201The 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.
Cancel anytime · Secure billing

Countries with a similar count

Career-long list2025

Explore other countries

Career-long list2025

Frequently asked questions

How many scientists from Iran are in the 2025 Stanford Top 2% list?

2,534 scientists affiliated with Iran are on the 2025 single-year list, and 1,201 are on the career-long list.

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

On the 2025 career-long list, University of Tehran has the most listed scientists from Iran, with 78. 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 1,201 in 2025, a change of +177.4%.

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.