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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60,959
World Rank
Tanzania
1
Country Rank
Muhimbili University of Health and Allied Sciences Logo
1
University
Ranking Based On Selection:
1
* Total H Index Rankings

Rankings

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68,046
World Rank
Tanzania
4
Country Rank
Muhimbili University of Health and Allied Sciences Logo
2
University
Ranking Based On Selection:
2
Medical and Health Sciences / Internal Medicine
Internal Medicine | HIV | Tuberculosi

H-Index Metrics

  • H-Index
    55
  • i10 Index
    136
  • Citation Counts
    9,924
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* Total H Index Rankings

Rankings

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75,177
World Rank
Tanzania
8
Country Rank
Muhimbili University of Health and Allied Sciences Logo
3
University
Ranking Based On Selection:
3
Medical and Health Sciences / Microbiology
Microbiology and Immunolog

H-Index Metrics

  • H-Index
    53
  • i10 Index
    163
  • Citation Counts
    7,753
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* Total H Index Rankings

Rankings

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101,605
World Rank
Tanzania
12
Country Rank
Muhimbili University of Health and Allied Sciences Logo
4
University
Ranking Based On Selection:
4
Medical and Health Sciences / Psychiatry
HIV Mental Health & Psychiatry Practic

H-Index Metrics

  • H-Index
    47
  • i10 Index
    97
  • Citation Counts
    9,871
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* Total H Index Rankings

Rankings

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102,038
World Rank
Tanzania
13
Country Rank
Muhimbili University of Health and Allied Sciences Logo
5
University
Ranking Based On Selection:
5
Medical and Health Sciences / Neonatology
Pediatrics | HIV | Nutrition | Neonatolog

H-Index Metrics

  • H-Index
    47
  • i10 Index
    135
  • Citation Counts
    7,625
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* Total H Index Rankings

Rankings

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126,892
World Rank
Tanzania
15
Country Rank
Muhimbili University of Health and Allied Sciences Logo
6
University
Ranking Based On Selection:
6
Medical and Health Sciences / Immunology
Immunology of infectious disease

H-Index Metrics

  • H-Index
    43
  • i10 Index
    98
  • Citation Counts
    6,369
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* Total H Index Rankings

Rankings

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135,556
World Rank
Tanzania
16
Country Rank
Muhimbili University of Health and Allied Sciences Logo
7
University
Ranking Based On Selection:
7
Medical and Health Sciences / Epidemiology and Public Health
Public Health Nutrition | Nutrition epidemiology | Infant and young child feeding | maternal and child health research | HIV and nu

H-Index Metrics

  • H-Index
    41
  • i10 Index
    76
  • Citation Counts
    83,162
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* Total H Index Rankings

Rankings

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145,169
World Rank
Tanzania
25
Country Rank
Muhimbili University of Health and Allied Sciences Logo
8
University
Ranking Based On Selection:
8
Others
Maternal and child health services | HIV/AIDS | Monitoring and Evaluatio

H-Index Metrics

  • H-Index
    40
  • i10 Index
    79
  • Citation Counts
    5,484
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* Total H Index Rankings

Rankings

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160,292
World Rank
Tanzania
27
Country Rank
Muhimbili University of Health and Allied Sciences Logo
9
University
Ranking Based On Selection:
9
Medical and Health Sciences / Internal Medicine
Health | Internal Medicine | Haematology | Sickle cell Diseas

H-Index Metrics

  • H-Index
    38
  • i10 Index
    108
  • Citation Counts
    6,708
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* Total H Index Rankings

Rankings

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164,372
World Rank
Tanzania
29
Country Rank
Muhimbili University of Health and Allied Sciences Logo
10
University
Ranking Based On Selection:
10
Others
Global Surgery. Implementation Science. Paediatric surgery. Child healt

H-Index Metrics

  • H-Index
    38
  • i10 Index
    106
  • Citation Counts
    5,049
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* Total H Index Rankings

Rankings

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193,823
World Rank
Tanzania
38
Country Rank
Muhimbili University of Health and Allied Sciences Logo
11
University
Ranking Based On Selection:
11
Others
antimicrobials | cytotoxic | antiplasmodial | antiproliferativ

H-Index Metrics

  • H-Index
    35
  • i10 Index
    61
  • Citation Counts
    4,074
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* Total H Index Rankings

Rankings

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202,995
World Rank
Tanzania
41
Country Rank
Muhimbili University of Health and Allied Sciences Logo
12
University
Ranking Based On Selection:
12
Medical and Health Sciences / Infectious Diseases
Infectious diseases | Therapeutic efficacy studies | antimicrobial resistanc

H-Index Metrics

  • H-Index
    34
  • i10 Index
    72
  • Citation Counts
    4,151
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* Total H Index Rankings

Rankings

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235,610
World Rank
Tanzania
52
Country Rank
Muhimbili University of Health and Allied Sciences Logo
13
University
Ranking Based On Selection:
13
Medical and Health Sciences / Infectious Diseases
Malaria in Pregnancy | Neglected Tropical Diseases | Cancer | HIV | Cardiovascular Disease

H-Index Metrics

  • H-Index
    32
  • i10 Index
    57
  • Citation Counts
    3,232
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* Total H Index Rankings

Rankings

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245,431
World Rank
Tanzania
57
Country Rank
Muhimbili University of Health and Allied Sciences Logo
14
University
Ranking Based On Selection:
14
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Clinical Pharmacokinetics | Therapeutic Drug Monitoring | Vaccines Safet

H-Index Metrics

  • H-Index
    31
  • i10 Index
    70
  • Citation Counts
    2,583
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* Total H Index Rankings

Rankings

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258,926
World Rank
Tanzania
61
Country Rank
Muhimbili University of Health and Allied Sciences Logo
15
University
Ranking Based On Selection:
15
Others
Community Health | Maternal Health | Non communicable disease | Monitoring and Evaluation | Health system

H-Index Metrics

  • H-Index
    30
  • i10 Index
    45
  • Citation Counts
    3,428
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* Total H Index Rankings

Rankings

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266,880
World Rank
Tanzania
66
Country Rank
Muhimbili University of Health and Allied Sciences Logo
16
University
Ranking Based On Selection:
16
Medical and Health Sciences / Infectious Diseases
Infectious diseases | dermatology and general medicin

H-Index Metrics

  • H-Index
    30
  • i10 Index
    60
  • Citation Counts
    3,504
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* Total H Index Rankings

Rankings

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269,956
World Rank
Tanzania
67
Country Rank
Muhimbili University of Health and Allied Sciences Logo
17
University
Ranking Based On Selection:
17
Medical and Health Sciences / Obstetrics and Gynecology
Maternal care | quality of care | reproductive health | health systems | implementation researc

H-Index Metrics

  • H-Index
    29
  • i10 Index
    64
  • Citation Counts
    3,377
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* Total H Index Rankings

Rankings

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286,206
World Rank
Tanzania
75
Country Rank
Muhimbili University of Health and Allied Sciences Logo
18
University
Ranking Based On Selection:
18
Social Sciences / Sociology
Mental Health | Gender | Violence prevention | Child Protection | HIV preventio

H-Index Metrics

  • H-Index
    28
  • i10 Index
    44
  • Citation Counts
    1,869
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* Total H Index Rankings

Rankings

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323,439
World Rank
Tanzania
88
Country Rank
Muhimbili University of Health and Allied Sciences Logo
19
University
Ranking Based On Selection:
19
Medical and Health Sciences / Emergency Medicine
Acute Care | Emergency Care Systems | Traum

H-Index Metrics

  • H-Index
    26
  • i10 Index
    60
  • Citation Counts
    2,519
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* Total H Index Rankings

Rankings

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359,139
World Rank
Tanzania
107
Country Rank
Muhimbili University of Health and Allied Sciences Logo
20
University
Ranking Based On Selection:
20
* Total H Index Rankings

Rankings

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371,936
World Rank
Tanzania
111
Country Rank
Muhimbili University of Health and Allied Sciences Logo
21
University
Ranking Based On Selection:
21
* Total H Index Rankings

Rankings

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372,620
World Rank
Tanzania
112
Country Rank
Muhimbili University of Health and Allied Sciences Logo
22
University
Ranking Based On Selection:
22
* Total H Index Rankings

Rankings

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386,205
World Rank
Tanzania
118
Country Rank
Muhimbili University of Health and Allied Sciences Logo
23
University
Ranking Based On Selection:
23
Medical and Health Sciences / Dentistry
Dentistry | Public Health | Health Promotion | Quality of Lif

H-Index Metrics

  • H-Index
    24
  • i10 Index
    31
  • Citation Counts
    1,774
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* Total H Index Rankings

Rankings

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428,616
World Rank
Tanzania
142
Country Rank
Muhimbili University of Health and Allied Sciences Logo
24
University
Ranking Based On Selection:
24
Medical and Health Sciences / Epidemiology and Public Health
Health promotion | Health Psychology | Health Services | Health behaviour

H-Index Metrics

  • H-Index
    22
  • i10 Index
    33
  • Citation Counts
    1,860
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* Total H Index Rankings

Rankings

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433,607
World Rank
Tanzania
148
Country Rank
Muhimbili University of Health and Allied Sciences Logo
25
University
Ranking Based On Selection:
25