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City · Iran

Research in Tehran

Science Explorer records 132 research institutions in Tehran, Iran. The highest-ranked on research quality in 2022–2025 are University of Tehran, Tehran University of Medical Sciences and Iran University of Science and Technology.

Research institutions
132
15 of them ranked worldwide
Research works
503k
▲ 24% vs 2013–17
Top-10% rate, 2022–2025
16.8%
record average 16.5%

A city carries no overall standing here. The composite score is built for institutions and countries, the units its floors and field normalisation were designed around. An empty rank on this page is a statement about the measure, not about the place.

Which research institutions are in Tehran?

#InstitutionWorksAgainst the largest hereWorld rank
1University of TehranUniversity 61,530 #301
2Tehran University of Medical SciencesUniversity 40,449 #536
3Tarbiat Modares UniversityUniversity 30,823 #824
4Amirkabir University of TechnologyUniversity 28,548 #866
5Shahid Beheshti University of Medical SciencesUniversity 27,119 #796
6Sharif University of TechnologyUniversity 26,934 #1,201
7Iran University of Science and TechnologyUniversity 26,338 #596
8Shahid Beheshti UniversityUniversity 21,404 #1,189
9Iran University of Medical SciencesUniversity 18,101 #1,138
10Islamic Azad University, TehranUniversity 17,623 #2,322
11Islamic Azad University, Science and Research BranchUniversity 16,874 #1,670
12K.N.Toosi University of TechnologyUniversity 13,255 #2,639
13Payame Noor UniversityUniversity 13,250 #2,990
14Kharazmi UniversityUniversity 6,901 #2,438
15Islamic Azad University South Tehran BranchUniversity 6,637 #4,130
16Alzahra UniversityUniversity 6,263 #3,439
17Allameh Tabataba'i UniversityUniversity 5,711 #4,386
18Islamic Azad University Central Tehran BranchUniversity 5,603 #2,915
19Baqiyatallah University of Medical SciencesUniversity 5,438 #4,624
20Shahed UniversityUniversity 4,913 #5,060
21Agricultural Research & Education OrganizationNonprofit 4,417 #2,962
22University of Social Welfare and Rehabilitation SciencesUniversity 4,271 #6,770
23Institute for Research in Fundamental SciencesResearch facility 4,231 #3,167
24Malek Ashtar University of TechnologyUniversity 4,221 #5,745
25Islamic Azad University North Tehran BranchUniversity 3,895 #3,890
26Pasteur Institute of IranResearch facility 3,674 #4,858
27University of Science and CultureUniversity 3,573 #9,800
28Academic Center for Education, Culture and ResearchNonprofit 3,486 #3,582
29Shahid Rajaee Teacher Training UniversityUniversity 3,474 #4,612
30School of International RelationsUniversity 3,358 #20,048
31Imam Khomeini HospitalHospital / health system 3,256 #4,736
32Islamic Azad University Medical Branch of TehranUniversity 2,933 #3,397
33Iran Polymer and Petrochemical InstituteUniversity 2,822 #4,882
34Soil Conservation and Watershed Management ResearchResearch facility 2,559 #6,328
35Atomic Energy Organization of IranGovernment institution 2,524 #4,751
36Petroleum University of TechnologyUniversity 2,366 #4,786
37Materials and Energy Research CenterResearch facility 2,224 #6,280
38National Iranian Oil Company (Iran)Company 1,999 #8,217
39Shariati HospitalHospital / health system 1,898 #9,848
40Aja University of Medical SciencesUniversity 1,884 #6,080
41Sina HospitalHospital / health system 1,858 #10,643
42Research Institute for Endocrine SciencesResearch facility 1,785 #8,076
43Ministry of EducationGovernment institution 1,682 #1,650
44Children's Medical CenterHospital / health system 1,624 #5,057
45Iranian Research Organization for Science and TechnologyResearch facility 1,582 #7,757
46National Institute of Genetic Engineering and BiotechnologyResearch facility 1,563 #7,821
47Imam Hossein UniversityUniversity 1,533 #7,921
48Chemistry and Chemical Engineering Research Center of IranResearch facility 1,532 #7,283
49Ministry of Health and Medical EducationGovernment institution 1,515 #8,238
50Institute for Cognitive Science StudiesResearch facility 1,495 #13,533
51Razi HospitalHospital / health system 1,490 #12,281
52Royan InstituteNonprofit 1,482 #8,186
53Masih Daneshvari HospitalHospital / health system 1,426 #8,798
54Shaheed Rajaei Cardiovascular Medical and Research CenterHospital / health system 1,401 #9,926
55Institute for Color Science and TechnologyResearch facility 1,348 #4,037
56Technical and Vocational UniversityUniversity 1,329 #8,602
57National Nutrition and Food Technology Research InstituteInstitution 1,267 #8,157
58Research Institute of Forests and RangelandsGovernment institution 1,170 #16,427
59Khatam UniversityUniversity 1,140 #10,054
60Rasool Akram HospitalHospital / health system 1,096 #12,720

By fractional works over the whole record; world rank on research quality in 2022–2025. Bars are scaled to the largest institution in this city, not to anything off the page.

How concentrated the city is

The same institutions as shares of everything the list accounts for. A city that is one university and a city that is twelve read alike as a table and not at all alike here.

University of Tehran: 12.9%Tehran University of Medical Sciences: 8.5%Tarbiat Modares University: 6.5%Amirkabir University of Technology: 6.0%56 others listed: 66.1%13%largest
University of Tehran62k · 12.9%Tehran University of Medical Sciences40k · 8.5%Tarbiat Modares University31k · 6.5%Amirkabir University of Technology29k · 6.0%56 others listed315k · 66.1%

Shares of the rows listed above, not of the whole node.

What is Tehran strongest at in research?

Relative to its size, research in Tehran is most concentrated in Molecular Medicine, Biomaterials and Reproductive Medicine (2.8× the world share in Molecular Medicine).

  1. Molecular MedicineSubfield · 338.7 works2.8×
  2. BiomaterialsSubfield · 1,315.0 works2.8×
  3. Reproductive MedicineSubfield · 548.6 works2.2×
  4. Analytical ChemistrySubfield · 463.6 works2.2×
  5. Oral SurgerySubfield · 459.8 works2.1×
  6. Research and TheorySubfield · 60.8 works2.1×
  7. OrthodonticsSubfield · 257.3 works2.1×
  8. Leadership and ManagementSubfield · 34.0 works2.0×
← less than its size predictsmore →

Location quotient against the world baseline. Inside a single field a city is a meaningful unit, which is why this is where a city is measured at all.

Which keywords describe research in Tehran?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Biomedical Applications, Nanoparticles, Inflammation, Drug Delivery, Tissue Engineering, Nanomaterials and Cancer.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this city's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology5,418▲ 1.24×139 topics
  2. Inflammation3,263▲ 1.42×83 topics
  3. Machine Learning3,199◆ 0.88×97 topics
  4. Deep Learning2,988▼ 0.79×85 topics
  5. Biomedical Applications2,905▲ 2.2×36 topics
  6. Nanoparticles2,727▲ 1.96×44 topics
  7. Climate Change2,512▼ 0.84×122 topics
  8. Oxidative Stress2,383▲ 1.32×62 topics
  9. Cancer2,366▲ 1.59×59 topics
  10. Sustainability2,311▼ 0.86×120 topics
  11. Quality of Life2,218▲ 1.39×61 topics
  12. Nanomaterials2,167▲ 1.85×21 topics
  13. Renewable Energy2,037▲ 1.28×61 topics
  14. Mental Health2,000▲ 1.23×47 topics
  15. Drug Delivery1,931▲ 3.2×16 topics
  16. Depression1,928▲ 1.98×26 topics
  17. Environmental Impact1,909◆ 1.01×72 topics
  18. Nanocomposites1,888▲ 2.1×22 topics
  19. Tissue Engineering1,871▲ 2.8×13 topics
  20. Mechanical Properties1,848▲ 1.72×39 topics
  21. Cardiovascular Disease1,766▲ 1.44×39 topics
  22. Graphene1,572▲ 2.1×12 topics
  23. Metabolic Syndrome1,497▲ 1.66×24 topics
  24. COVID-191,486◆ 0.98×33 topics
  25. Treatment1,476◆ 1.10×52 topics
  26. Antioxidant1,443▲ 1.90×51 topics
  27. Remote Sensing1,429◆ 1.05×40 topics
  28. Catalysis1,332▲ 1.81×29 topics
  29. Obesity1,218▲ 1.45×29 topics
  30. Social Support1,194▲ 1.94×20 topics
  31. Cancer Therapy1,160▲ 1.84×20 topics
  32. Toxicity1,072▲ 2.2×20 topics
  33. Stress1,015▲ 2.5×11 topics
  34. Heat Transfer983▲ 1.79×20 topics
  35. Regenerative Medicine927▲ 3.3×6 topics
  36. Carbon Nanotubes895▲ 2.4×9 topics
  37. Self-Efficacy864▲ 2.9×11 topics
  38. Biomaterials778▲ 3.0×7 topics
  39. Educational Achievement506▲ 7.4×1 topic
  40. Job Stress506▲ 7.4×1 topic

What research is done in Tehran?

  1. 1 Health and Well-being StudiesClinical Psychology 506 works
  2. 2 Electrospun Nanofibers in Biomedical ApplicationsBiomaterials 377 works
  3. 3 COVID-19 Clinical Research StudiesInfectious Diseases 339 works
  4. 4 Graphene and Nanomaterials ApplicationsBiomedical Engineering 317 works
  5. 5 COVID-19 and Mental HealthClinical Psychology 312 works
  6. 6 Advanced Photocatalysis TechniquesRenewable Energy, Sustainability and the Environment 305 works
  7. 7 Bone Tissue Engineering MaterialsBiomedical Engineering 293 works
  8. 8 MicroRNA in disease regulationCancer Research 291 works
  9. 9 Nanoparticle-Based Drug DeliveryBiomaterials 258 works
  10. 10 SARS-CoV-2 and COVID-19 ResearchInfectious Diseases 253 works

Research output over time

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more.