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” (0 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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1,034
World Rank
Canada
32
Country Rank
University of Calgary Logo
1
University
Ranking Based On Selection:
1
Medical and Health Sciences / Nephrology
nephrology | non-communicable chronic diseases | health service

H-Index Metrics

  • H-Index
    176
  • i10 Index
    622
  • Citation Counts
    256,500
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* Total H Index Rankings

Rankings

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2,124
World Rank
Canada
69
Country Rank
University of Calgary Logo
2
University
Ranking Based On Selection:
2

H-Index Metrics

  • H-Index
    146
  • i10 Index
    747
  • Citation Counts
    103,097
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* Total H Index Rankings

Rankings

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2,922
World Rank
Canada
98
Country Rank
University of Calgary Logo
3
University
Ranking Based On Selection:
3
Medical and Health Sciences / Radiology
Acute stroke imaging | reperfusion therapy | CT-angiography | multimodal MRI | transcranial Dopple

H-Index Metrics

  • H-Index
    136
  • i10 Index
    549
  • Citation Counts
    101,846
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* Total H Index Rankings

Rankings

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3,179
World Rank
Canada
109
Country Rank
University of Calgary Logo
4
University
Ranking Based On Selection:
4
Medical and Health Sciences / Psychiatry
Psychiatric Epidemiology | Mood Disorders | Mental Health | Epidemiology | Psychiatr

H-Index Metrics

  • H-Index
    133
  • i10 Index
    635
  • Citation Counts
    171,495
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* Total H Index Rankings

Rankings

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4,412
World Rank
Canada
161
Country Rank
University of Calgary Logo
6
University
Ranking Based On Selection:
5
Medical and Health Sciences / Pharmacology
Pharmacology | Inflammation | Drug Development | Gastroenterolog

H-Index Metrics

  • H-Index
    123
  • i10 Index
    329
  • Citation Counts
    50,875
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* Total H Index Rankings

Rankings

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7,068
World Rank
Canada
272
Country Rank
University of Calgary Logo
10
University
Ranking Based On Selection:
6
Medical and Health Sciences / Health Sciences
health services research | quality of care | epidemiology | outcomes researc

H-Index Metrics

  • H-Index
    109
  • i10 Index
    367
  • Citation Counts
    71,476
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* Total H Index Rankings

Rankings

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7,365
World Rank
Canada
287
Country Rank
University of Calgary Logo
11
University
Ranking Based On Selection:
7
Medical and Health Sciences / Biophysics
biophysics | muscle mechanics cartilage biomechanic

H-Index Metrics

  • H-Index
    108
  • i10 Index
    542
  • Citation Counts
    43,108
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* Total H Index Rankings

Rankings

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8,355
World Rank
Canada
331
Country Rank
University of Calgary Logo
13
University
Ranking Based On Selection:
8
Medical and Health Sciences / Epidemiology and Public Health
epidemiology | dairy | one health | antimicrobial resistance | mastiti

H-Index Metrics

  • H-Index
    104
  • i10 Index
    378
  • Citation Counts
    43,015
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* Total H Index Rankings

Rankings

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9,932
World Rank
Canada
411
Country Rank
University of Calgary Logo
17
University
Ranking Based On Selection:
9
Medical and Health Sciences / Gastroenterology
gastroenterology | epidemiology | inflammatory bowel diseas

H-Index Metrics

  • H-Index
    99
  • i10 Index
    322
  • Citation Counts
    57,395
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* Total H Index Rankings

Rankings

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11,340
World Rank
Canada
468
Country Rank
University of Calgary Logo
22
University
Ranking Based On Selection:
10
Medical and Health Sciences / Epidemiology and Public Health
salt | sodium | hypertension | cardiovascular | public healt

H-Index Metrics

  • H-Index
    96
  • i10 Index
    387
  • Citation Counts
    33,040
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* Total H Index Rankings

Rankings

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11,356
World Rank
Canada
470
Country Rank
University of Calgary Logo
23
University
Ranking Based On Selection:
11

H-Index Metrics

  • H-Index
    96
  • i10 Index
    255
  • Citation Counts
    44,611
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* Total H Index Rankings

Rankings

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11,871
World Rank
Canada
493
Country Rank
University of Calgary Logo
25
University
Ranking Based On Selection:
12
Medical and Health Sciences / Biochemistry
Host Defence peptides | Protein structure | Calmodulin | Lactoferrin | Metabolomic

H-Index Metrics

  • H-Index
    95
  • i10 Index
    383
  • Citation Counts
    41,405
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* Total H Index Rankings

Rankings

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12,549
World Rank
Canada
521
Country Rank
University of Calgary Logo
27
University
Ranking Based On Selection:
13
Medical and Health Sciences / Neuroscience
Epilepsy | evidence based medicine | epidemiology | epilepsy surgery | health outcome

H-Index Metrics

  • H-Index
    93
  • i10 Index
    275
  • Citation Counts
    62,975
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* Total H Index Rankings

Rankings

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13,110
World Rank
Canada
543
Country Rank
University of Calgary Logo
28
University
Ranking Based On Selection:
14
Medical and Health Sciences / Cardiovascular Surgery
Arrhythmias | Ablation | Atrial Fibrillation | Chagas | Syncop

H-Index Metrics

  • H-Index
    92
  • i10 Index
    230
  • Citation Counts
    90,217
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* Total H Index Rankings

Rankings

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13,272
World Rank
Canada
548
Country Rank
University of Calgary Logo
29
University
Ranking Based On Selection:
15

H-Index Metrics

  • H-Index
    92
  • i10 Index
    235
  • Citation Counts
    80,784
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* Total H Index Rankings

Rankings

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13,868
World Rank
Canada
571
Country Rank
University of Calgary Logo
31
University
Ranking Based On Selection:
16
Medical and Health Sciences / Biochemistry
DNA-PK | NHEJ | DNA double strand break repai

H-Index Metrics

  • H-Index
    91
  • i10 Index
    168
  • Citation Counts
    26,568
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* Total H Index Rankings

Rankings

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14,852
World Rank
Canada
615
Country Rank
University of Calgary Logo
32
University
Ranking Based On Selection:
17
Medical and Health Sciences / Health Sciences
Health Services Research | Methodology of Administrative Health Data | Electronic Medical Records and Coded Health Information | P

H-Index Metrics

  • H-Index
    89
  • i10 Index
    342
  • Citation Counts
    50,400
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* Total H Index Rankings

Rankings

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15,524
World Rank
Canada
647
Country Rank
University of Calgary Logo
33
University
Ranking Based On Selection:
18
Medical and Health Sciences / Geriatrics
geriatrics | dementia | frailty | fall

H-Index Metrics

  • H-Index
    88
  • i10 Index
    252
  • Citation Counts
    43,266
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* Total H Index Rankings

Rankings

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16,762
World Rank
Canada
702
Country Rank
University of Calgary Logo
35
University
Ranking Based On Selection:
19
Medical and Health Sciences / Medical Oncology
Psycho-oncology | meditation | yoga | integrative oncolog

H-Index Metrics

  • H-Index
    86
  • i10 Index
    192
  • Citation Counts
    53,492
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* Total H Index Rankings

Rankings

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19,612
World Rank
Canada
824
Country Rank
University of Calgary Logo
39
University
Ranking Based On Selection:
20
Medical and Health Sciences / Epidemiology and Public Health
epidemiology | maternal mental health | child development | longitudinal cohort | preterm birt

H-Index Metrics

  • H-Index
    82
  • i10 Index
    253
  • Citation Counts
    25,136
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* Total H Index Rankings

Rankings

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21,223
World Rank
Canada
902
Country Rank
University of Calgary Logo
43
University
Ranking Based On Selection:
21
Medical and Health Sciences / Health Sciences
health services research | critical care | injur

H-Index Metrics

  • H-Index
    80
  • i10 Index
    310
  • Citation Counts
    27,674
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* Total H Index Rankings

Rankings

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22,097
World Rank
Canada
943
Country Rank
University of Calgary Logo
46
University
Ranking Based On Selection:
22
Medical and Health Sciences / Radiology
acute stroke | neuroimaging | epidemiology | biostatistic

H-Index Metrics

  • H-Index
    79
  • i10 Index
    274
  • Citation Counts
    40,241
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* Total H Index Rankings

Rankings

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23,279
World Rank
Canada
1,000
Country Rank
University of Calgary Logo
51
University
Ranking Based On Selection:
23
Medical and Health Sciences / Neuroscience
Stroke | TIA | clinical trials | imagin

H-Index Metrics

  • H-Index
    78
  • i10 Index
    195
  • Citation Counts
    32,992
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* Total H Index Rankings

Rankings

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24,177
World Rank
Canada
1,039
Country Rank
University of Calgary Logo
52
University
Ranking Based On Selection:
24

H-Index Metrics

  • H-Index
    77
  • i10 Index
    178
  • Citation Counts
    30,306
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* Total H Index Rankings

Rankings

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24,432
World Rank
Canada
1,049
Country Rank
University of Calgary Logo
53
University
Ranking Based On Selection:
25
Medical and Health Sciences / Gastroenterology
Intestinal Inflammation | Clinical gastroenterology | inflammatory bowel disease | C. dif coliti

H-Index Metrics

  • H-Index
    77
  • i10 Index
    186
  • Citation Counts
    25,669
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