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” (1,121,299 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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10,204
World Rank
South Africa
26
Country Rank
South African Medical Research Council Logo
1
University
Ranking Based On Selection:
1
* Total H Index Rankings

Rankings

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168,936
World Rank
South Africa
724
Country Rank
South African Medical Research Council Logo
11
University
Ranking Based On Selection:
2
Medical and Health Sciences / Endocrinology and Metabolism
Biochemistry | Physiology | Pharmacology | Evidence Based Health Car

H-Index Metrics

  • H-Index
    37
  • i10 Index
    101
  • Citation Counts
    4,283
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* Total H Index Rankings

Rankings

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254,183
World Rank
South Africa
1,192
Country Rank
South African Medical Research Council Logo
16
University
Ranking Based On Selection:
3
Medical and Health Sciences / Epidemiology and Public Health
Infectious Diseases | Public Health | Implementation Researc

H-Index Metrics

  • H-Index
    30
  • i10 Index
    35
  • Citation Counts
    28,312
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* Total H Index Rankings

Rankings

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256,272
World Rank
South Africa
1,209
Country Rank
South African Medical Research Council Logo
17
University
Ranking Based On Selection:
4
Medical and Health Sciences / Biostatistics
Biostatistics | HIV preventio

H-Index Metrics

  • H-Index
    30
  • i10 Index
    69
  • Citation Counts
    2,957
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* Total H Index Rankings

Rankings

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285,450
World Rank
South Africa
1,391
Country Rank
South African Medical Research Council Logo
20
University
Ranking Based On Selection:
5
Medical and Health Sciences / Biostatistics
Biostatistics | Gender-based violence research | Structural Equation Modellin

H-Index Metrics

  • H-Index
    29
  • i10 Index
    50
  • Citation Counts
    2,613
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* Total H Index Rankings

Rankings

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365,789
World Rank
South Africa
1,839
Country Rank
South African Medical Research Council Logo
24
University
Ranking Based On Selection:
6
Medical and Health Sciences / Epidemiology and Public Health
Infectious diseases epidemiology | Public health ethic

H-Index Metrics

  • H-Index
    24
  • i10 Index
    31
  • Citation Counts
    20,654
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* Total H Index Rankings

Rankings

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397,555
World Rank
South Africa
2,035
Country Rank
South African Medical Research Council Logo
26
University
Ranking Based On Selection:
7
* Total H Index Rankings

Rankings

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475,876
World Rank
South Africa
2,515
Country Rank
South African Medical Research Council Logo
29
University
Ranking Based On Selection:
8
Medical and Health Sciences / Epidemiology and Public Health
Public Health | Contraceptive use | HIV prevention | Teenage pregnancy prevention | SRH

H-Index Metrics

  • H-Index
    21
  • i10 Index
    29
  • Citation Counts
    1,525
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* Total H Index Rankings

Rankings

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544,978
World Rank
South Africa
2,912
Country Rank
South African Medical Research Council Logo
34
University
Ranking Based On Selection:
9
Medical and Health Sciences / Health Sciences
Health Systems Research | Data quality | Public health informatics | HIV prevention and care | Programme monitoring and evaluatio

H-Index Metrics

  • H-Index
    18
  • i10 Index
    22
  • Citation Counts
    1,488
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* Total H Index Rankings

Rankings

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659,182
World Rank
South Africa
3,621
Country Rank
South African Medical Research Council Logo
36
University
Ranking Based On Selection:
10
Medical and Health Sciences / Epidemiology and Public Health
epidemiology | gender-based violence | mental health | rap

H-Index Metrics

  • H-Index
    15
  • i10 Index
    23
  • Citation Counts
    1,268
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* Total H Index Rankings

Rankings

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673,447
World Rank
South Africa
3,726
Country Rank
South African Medical Research Council Logo
38
University
Ranking Based On Selection:
11
* Total H Index Rankings

Rankings

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674,896
World Rank
South Africa
3,737
Country Rank
South African Medical Research Council Logo
40
University
Ranking Based On Selection:
12
Medical and Health Sciences / Epidemiology and Public Health
Public Health | Alcohol | gender based violence | health promotio

H-Index Metrics

  • H-Index
    15
  • i10 Index
    19
  • Citation Counts
    841
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* Total H Index Rankings

Rankings

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815,128
World Rank
South Africa
4,665
Country Rank
South African Medical Research Council Logo
49
University
Ranking Based On Selection:
13
Medical and Health Sciences / Epidemiology and Public Health
publication bias | research integrity | research methods | clinical trials | guideline

H-Index Metrics

  • H-Index
    12
  • i10 Index
    14
  • Citation Counts
    6,179
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* Total H Index Rankings

Rankings

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947,859
World Rank
South Africa
5,648
Country Rank
South African Medical Research Council Logo
53
University
Ranking Based On Selection:
14
Medical and Health Sciences / Epidemiology and Public Health
Epidemiology | Public Health | Burden of Disease | Cause of death reporting | Clinical codin

H-Index Metrics

  • H-Index
    10
  • i10 Index
    12
  • Citation Counts
    504
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* Total H Index Rankings

Rankings

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1,080,120
World Rank
South Africa
6,724
Country Rank
South African Medical Research Council Logo
57
University
Ranking Based On Selection:
15
* Total H Index Rankings

Rankings

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1,261,720
World Rank
South Africa
8,128
Country Rank
South African Medical Research Council Logo
58
University
Ranking Based On Selection:
16
Medical and Health Sciences / Health Sciences
Health systems policy and researc

H-Index Metrics

  • H-Index
    7
  • i10 Index
    7
  • Citation Counts
    145
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* Total H Index Rankings

Rankings

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1,271,799
World Rank
South Africa
8,205
Country Rank
South African Medical Research Council Logo
59
University
Ranking Based On Selection:
17
Medical and Health Sciences / Veterinary Sciences
Microbiology | Molecular Biology | Bioinformatics | Genomics | Infectious Diseases and Molecular Veterinary Parasitolog

H-Index Metrics

  • H-Index
    7
  • i10 Index
    6
  • Citation Counts
    227
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* Total H Index Rankings

Rankings

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1,471,315
World Rank
South Africa
9,786
Country Rank
South African Medical Research Council Logo
63
University
Ranking Based On Selection:
18
Medical and Health Sciences / Epidemiology and Public Health
Exercise Science | Public Health | Epidemiology | Exercise Physiology | Sport and Recreatio

H-Index Metrics

  • H-Index
    6
  • i10 Index
    6
  • Citation Counts
    184
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* Total H Index Rankings

Rankings

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1,634,137
World Rank
South Africa
11,059
Country Rank
South African Medical Research Council Logo
66
University
Ranking Based On Selection:
19
Medical and Health Sciences / Epidemiology and Public Health
public health | COVID 19 and older peopl

H-Index Metrics

  • H-Index
    5
  • i10 Index
    2
  • Citation Counts
    100
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* Total H Index Rankings

Rankings

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1,981,400
World Rank
South Africa
13,868
Country Rank
South African Medical Research Council Logo
67
University
Ranking Based On Selection:
20
Medical and Health Sciences / Epidemiology and Public Health
Data Science | Epidemiology | Vaccinology | Evidence Based-Medicine | Biostatistic

H-Index Metrics

  • H-Index
    3
  • i10 Index
    2
  • Citation Counts
    76
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* Total H Index Rankings

Rankings

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1,990,923
World Rank
South Africa
13,960
Country Rank
South African Medical Research Council Logo
68
University
Ranking Based On Selection:
21