Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,318 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Total H Index Rankings

Rankings

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373,222
World Rank
Iran
5,383
Country Rank
Research Institute of Petroleum Industry Tehran Logo
3
University
Ranking Based On Selection:
1
Engineering & Technology / Petroleum Engineering
Applied Thermodynamics | Natural Gas Treatment | Ionic Liquid

H-Index Metrics

  • H-Index
    24
  • i10 Index
    35
  • Citation Counts
    2,760
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* Total H Index Rankings

Rankings

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385,312
World Rank
Iran
5,699
Country Rank
Research Institute of Petroleum Industry Tehran Logo
4
University
Ranking Based On Selection:
2
Engineering & Technology / Petroleum Engineering
Synthesis of polymers | Synthesis of hydrogels | Synthesis of nanomaterial

H-Index Metrics

  • H-Index
    24
  • i10 Index
    36
  • Citation Counts
    1,742
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* Total H Index Rankings

Rankings

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424,761
World Rank
Iran
6,570
Country Rank
Research Institute of Petroleum Industry Tehran Logo
7
University
Ranking Based On Selection:
3
Engineering & Technology / Petroleum Engineering
Enhanced Oil Recovery | Fluid Flow in Porous Medi

H-Index Metrics

  • H-Index
    22
  • i10 Index
    44
  • Citation Counts
    1,691
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* Total H Index Rankings

Rankings

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473,309
World Rank
Iran
7,644
Country Rank
Research Institute of Petroleum Industry Tehran Logo
12
University
Ranking Based On Selection:
4
* Total H Index Rankings

Rankings

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498,774
World Rank
Iran
8,380
Country Rank
Research Institute of Petroleum Industry Tehran Logo
16
University
Ranking Based On Selection:
5
Engineering & Technology / Petroleum Engineering
Polymer | Nanocomposite | Rheology | Hydrogel | Oil recover

H-Index Metrics

  • H-Index
    20
  • i10 Index
    36
  • Citation Counts
    1,212
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* Total H Index Rankings

Rankings

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547,704
World Rank
Iran
9,487
Country Rank
Research Institute of Petroleum Industry Tehran Logo
21
University
Ranking Based On Selection:
6
Engineering & Technology / Petroleum Engineering
Microbiology | Molecular biology | Biotechnolog

H-Index Metrics

  • H-Index
    18
  • i10 Index
    27
  • Citation Counts
    1,351
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* Total H Index Rankings

Rankings

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562,567
World Rank
Iran
9,971
Country Rank
Research Institute of Petroleum Industry Tehran Logo
22
University
Ranking Based On Selection:
7
Engineering & Technology / Petroleum Engineering
Process Development | desulfurization technology | CF

H-Index Metrics

  • H-Index
    18
  • i10 Index
    27
  • Citation Counts
    872
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* Total H Index Rankings

Rankings

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565,880
World Rank
Iran
10,074
Country Rank
Research Institute of Petroleum Industry Tehran Logo
23
University
Ranking Based On Selection:
8
* Total H Index Rankings

Rankings

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629,267
World Rank
Iran
11,583
Country Rank
Research Institute of Petroleum Industry Tehran Logo
30
University
Ranking Based On Selection:
9
Engineering & Technology / Petroleum Engineering
Petroleum Eng. | Flow Assurance | Asphaltene & Wax | Nanoparticles | Well Stimulatio

H-Index Metrics

  • H-Index
    16
  • i10 Index
    21
  • Citation Counts
    956
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* Total H Index Rankings

Rankings

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646,531
World Rank
Iran
12,153
Country Rank
Research Institute of Petroleum Industry Tehran Logo
32
University
Ranking Based On Selection:
10
* Total H Index Rankings

Rankings

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652,091
World Rank
Iran
12,289
Country Rank
Research Institute of Petroleum Industry Tehran Logo
33
University
Ranking Based On Selection:
11
* Total H Index Rankings

Rankings

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721,034
World Rank
Iran
13,841
Country Rank
Research Institute of Petroleum Industry Tehran Logo
36
University
Ranking Based On Selection:
12
Engineering & Technology / Petroleum Engineering
Membrane Preparation | Membrane Unit Design & Operatio

H-Index Metrics

  • H-Index
    14
  • i10 Index
    24
  • Citation Counts
    1,083
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* Total H Index Rankings

Rankings

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726,020
World Rank
Iran
14,020
Country Rank
Research Institute of Petroleum Industry Tehran Logo
37
University
Ranking Based On Selection:
13
Engineering & Technology / Petroleum Engineering
Organic Synthesis | Ionic Liquid

H-Index Metrics

  • H-Index
    14
  • i10 Index
    16
  • Citation Counts
    1,477
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* Total H Index Rankings

Rankings

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737,279
World Rank
Iran
14,325
Country Rank
Research Institute of Petroleum Industry Tehran Logo
39
University
Ranking Based On Selection:
14
Engineering & Technology / Petroleum Engineering
Renewable energy especially in the fields of: (Fuel Cell | Hydrogen purification) | photocatalysis | Colloid science and Interfac

H-Index Metrics

  • H-Index
    14
  • i10 Index
    22
  • Citation Counts
    602
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* Total H Index Rankings

Rankings

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791,511
World Rank
Iran
15,459
Country Rank
Research Institute of Petroleum Industry Tehran Logo
40
University
Ranking Based On Selection:
15
Engineering & Technology / Petroleum Engineering
Nanothechnology | Zeolite | Catalysts | Scanning probe microscop

H-Index Metrics

  • H-Index
    13
  • i10 Index
    14
  • Citation Counts
    677
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* Total H Index Rankings

Rankings

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876,178
World Rank
Iran
17,084
Country Rank
Research Institute of Petroleum Industry Tehran Logo
43
University
Ranking Based On Selection:
16
* Total H Index Rankings

Rankings

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918,096
World Rank
Iran
17,944
Country Rank
Research Institute of Petroleum Industry Tehran Logo
47
University
Ranking Based On Selection:
17
Engineering & Technology / Petroleum Engineering
EOR | Flow assurance | Thermal recovery | Partial upgrading | CF

H-Index Metrics

  • H-Index
    11
  • i10 Index
    11
  • Citation Counts
    844
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* Total H Index Rankings

Rankings

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935,485
World Rank
Iran
18,324
Country Rank
Research Institute of Petroleum Industry Tehran Logo
49
University
Ranking Based On Selection:
18
Engineering & Technology / Petroleum Engineering
Surface Science and Coatings | Electrochemical aspects of corrosion | Plasma Eletrolysis | Nanomaterials | Materials Characterizati

H-Index Metrics

  • H-Index
    11
  • i10 Index
    12
  • Citation Counts
    416
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