University, Subject, Country, Region, World

World 164 Scientists Subject Rankings - 2025

The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 yearsAs of Jun 16, 2025, the rankings are determined according to the Total H IndexBETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.121.299) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].

* Total H Index Rankings

Rankings

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22,082
World Rank
Saudi Arabia
59
Country Rank
King Saud University Logo
9
University
Ranking Based On Selection:
1
Medical and Health Sciences / Bacteriology
Phycology | Bacteriology | Biotechnology | Environmental Health | Environmental Studie

H-Index Metrics

  • H-Index
    79
  • i10 Index
    369
  • Citation Counts
    21,033
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* Total H Index Rankings

Rankings

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23,321
World Rank
United States
9,971
Country Rank
University of Wisconsin Madison Logo
121
University
Ranking Based On Selection:
2
Medical and Health Sciences / Bacteriology
microbial ecology | microbial genomics | microbial evolution | limnology | freshwater science

H-Index Metrics

  • H-Index
    78
  • i10 Index
    147
  • Citation Counts
    24,039
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* Total H Index Rankings

Rankings

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26,957
World Rank
United States
11,374
Country Rank
University of Wisconsin Madison Logo
140
University
Ranking Based On Selection:
3
Medical and Health Sciences / Bacteriology
rumen microbiology | biofuels | cellulos

H-Index Metrics

  • H-Index
    76
  • i10 Index
    145
  • Citation Counts
    23,901
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* Total H Index Rankings

Rankings

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27,356
World Rank
South Korea
280
Country Rank
Korea Research Institute of Bioscience and Biotechnology Logo
2
University
Ranking Based On Selection:
4
Medical and Health Sciences / Bacteriology
Bacterial Volatile Compound | Host-microbe interactions | Plant-Microbiome Interactions | Plant Growth Promoting-Rhizobacteri

H-Index Metrics

  • H-Index
    74
  • i10 Index
    181
  • Citation Counts
    26,089
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* Total H Index Rankings

Rankings

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38,811
World Rank
Spain
833
Country Rank
Instituto de Bioquímica Vegetal y Fotosíntesis, CSIC Logo
1
University
Ranking Based On Selection:
5
* Total H Index Rankings

Rankings

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46,721
World Rank
United Kingdom
3,979
Country Rank
University of Oxford Logo
415
University
Ranking Based On Selection:
6

H-Index Metrics

  • H-Index
    63
  • i10 Index
    165
  • Citation Counts
    14,349
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* Total H Index Rankings

Rankings

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46,981
World Rank
United States
18,713
Country Rank
University of Arizona Logo
137
University
Ranking Based On Selection:
7
Medical and Health Sciences / Bacteriology
bacteriology | molecular genetics | Neisseria pathogenesis and commensalis

H-Index Metrics

  • H-Index
    63
  • i10 Index
    107
  • Citation Counts
    13,986
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* Total H Index Rankings

Rankings

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50,317
World Rank
United States
19,861
Country Rank
University of Wisconsin Madison Logo
261
University
Ranking Based On Selection:
8
Medical and Health Sciences / Bacteriology
Aflatoxin Patulin Detoxification | Mycotoxins | Natural Antimicrobials | Fungi | Food Safet

H-Index Metrics

  • H-Index
    61
  • i10 Index
    157
  • Citation Counts
    21,034
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* Total H Index Rankings

Rankings

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56,420
World Rank
United States
21,941
Country Rank
Colorado State University Logo
75
University
Ranking Based On Selection:
9

H-Index Metrics

  • H-Index
    59
  • i10 Index
    121
  • Citation Counts
    9,746
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* Total H Index Rankings

Rankings

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59,018
World Rank
United States
22,782
Country Rank
University of Wisconsin Madison Logo
301
University
Ranking Based On Selection:
10
Medical and Health Sciences / Bacteriology
bacterial metabolism | systems and synthetic biolog

H-Index Metrics

  • H-Index
    58
  • i10 Index
    156
  • Citation Counts
    11,406
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* Total H Index Rankings

Rankings

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66,115
World Rank
United States
25,229
Country Rank
University of Wisconsin Madison Logo
336
University
Ranking Based On Selection:
11
Medical and Health Sciences / Bacteriology
rumen microbiology | genomics | metagenomics | gut microbiom

H-Index Metrics

  • H-Index
    55
  • i10 Index
    110
  • Citation Counts
    10,392
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* Total H Index Rankings

Rankings

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74,551
World Rank
United Kingdom
6,141
Country Rank
University of Leicester Logo
69
University
Ranking Based On Selection:
12
Medical and Health Sciences / Bacteriology
Bacteriology | Infection | Tuberculosis | Microbiomic

H-Index Metrics

  • H-Index
    53
  • i10 Index
    110
  • Citation Counts
    13,472
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* Total H Index Rankings

Rankings

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93,688
World Rank
France
2,546
Country Rank
Université de Brest Logo
16
University
Ranking Based On Selection:
13

H-Index Metrics

  • H-Index
    49
  • i10 Index
    145
  • Citation Counts
    9,364
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* Total H Index Rankings

Rankings

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95,583
World Rank
Ghana
18
Country Rank
University of Ghana Logo
5
University
Ranking Based On Selection:
14
Medical and Health Sciences / Bacteriology
Bacteriology | Tuberculosis | Buruli ulce

H-Index Metrics

  • H-Index
    48
  • i10 Index
    114
  • Citation Counts
    9,315
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* Total H Index Rankings

Rankings

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98,201
World Rank
United Kingdom
7,851
Country Rank
Food and Environment Research Agency Logo
8
University
Ranking Based On Selection:
15
* Total H Index Rankings

Rankings

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102,341
World Rank
South Africa
396
Country Rank
University of Pretoria Logo
35
University
Ranking Based On Selection:
16

H-Index Metrics

  • H-Index
    47
  • i10 Index
    108
  • Citation Counts
    7,768
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* Total H Index Rankings

Rankings

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112,339
World Rank
United States
39,548
Country Rank
Washington University Saint Louis Logo
337
University
Ranking Based On Selection:
17
Medical and Health Sciences / Bacteriology
bacteriology metabolism cell cycle antibiotic resistanc

H-Index Metrics

  • H-Index
    45
  • i10 Index
    62
  • Citation Counts
    7,906
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* Total H Index Rankings

Rankings

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121,206
World Rank
United States
42,214
Country Rank
Montana State University Logo
42
University
Ranking Based On Selection:
18
Medical and Health Sciences / Bacteriology
Bacterial Pathogenesis | host pathogen interaction | gene regulatio

H-Index Metrics

  • H-Index
    44
  • i10 Index
    73
  • Citation Counts
    5,868
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* Total H Index Rankings

Rankings

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131,962
World Rank
Japan
2,651
Country Rank
Shubun University Logo
1
University
Ranking Based On Selection:
19

H-Index Metrics

  • H-Index
    42
  • i10 Index
    81
  • Citation Counts
    7,452
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* Total H Index Rankings

Rankings

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135,015
World Rank
United States
46,204
Country Rank
University of South Florida Logo
155
University
Ranking Based On Selection:
20
Medical and Health Sciences / Bacteriology
Bacteriology | gene regulation | biofilm

H-Index Metrics

  • H-Index
    42
  • i10 Index
    78
  • Citation Counts
    8,313
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* Total H Index Rankings

Rankings

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137,530
World Rank
United States
46,884
Country Rank
Texas A&M University Logo
454
University
Ranking Based On Selection:
21
Medical and Health Sciences / Bacteriology
Bacteriology | infectious diseases | microbiology | veterinary science | immunolog

H-Index Metrics

  • H-Index
    41
  • i10 Index
    109
  • Citation Counts
    7,384
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* Total H Index Rankings

Rankings

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149,831
World Rank
United States
50,366
Country Rank
South Dakota State University Logo
14
University
Ranking Based On Selection:
22
* Total H Index Rankings

Rankings

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151,438
World Rank
Iran
1,336
Country Rank
Tehran University of Medical Sciences Logo
126
University
Ranking Based On Selection:
23
Medical and Health Sciences / Bacteriology
Oral microbiology | Anaerobic bacteria | Photodynamic therapy | Sonodynamic therap

H-Index Metrics

  • H-Index
    39
  • i10 Index
    126
  • Citation Counts
    4,959
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* Total H Index Rankings

Rankings

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165,584
World Rank
Tunisia
46
Country Rank
Université de Carthage Logo
4
University
Ranking Based On Selection:
24
Medical and Health Sciences / Bacteriology
Bacterial Ecology and Evolutio

H-Index Metrics

  • H-Index
    38
  • i10 Index
    86
  • Citation Counts
    3,508
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* Total H Index Rankings

Rankings

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167,613
World Rank
New Zealand
911
Country Rank
Landcare Research Ltd Logo
21
University
Ranking Based On Selection:
25
Medical and Health Sciences / Bacteriology
Bacteriology | Systematics | Plant patholog

H-Index Metrics

  • H-Index
    38
  • i10 Index
    70
  • Citation Counts
    6,962
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