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 ranking in world, region, country and university is beta version since subject field "others" (870,053 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 5
Chad Lin
Public Health
Health Informatics
Evaluation of Health Information Technology
Information Technology Investment
Metrics
H-Index
i10 Index
Citation
40
118
7,093
Lucinda J Black
Vitamin D
food composition data
dietary intakes
nutrition
Metrics
H-Index
i10 Index
Citation
31
63
3,899
* Rankings
Ranking Based On Selection: 7
Roy Rillera Marzo
Sustainable Development
Epidemiology
Ageing
Vaccine
Medical Education
Metrics
H-Index
i10 Index
Citation
30
58
5,557
Enayet Karim Chowdhury
Epidemiology
heart disease
Elderly
Child health
Cost-effectiveness analysis
Metrics
H-Index
i10 Index
Citation
29
46
7,662
* Rankings
Ranking Based On Selection: 10
Iain S Pratt|Steve Pratt
Public Health
Nutrition and Dietetics
Cancer
Obesity
Alcohol
Metrics
H-Index
i10 Index
Citation
27
45
2,094

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* Rankings
Ranking Based On Selection: 12
Gemma Crawford
knowledge translation
health promotion
public health
HIV
migration
Metrics
H-Index
i10 Index
Citation
22
37
1,415
* Rankings
Ranking Based On Selection: 14
Susannah Maxwell
Public health genomics
prenatal screening
newborn screening
policy
Metrics
H-Index
i10 Index
Citation
17
24
1,085
* Rankings
Ranking Based On Selection: 15
Kalayu Brhane Mruts
Health system research and evaluation
maternal
newborn and reproductive health
Metrics
H-Index
i10 Index
Citation
16
18
33,621
* Rankings
Ranking Based On Selection: 17
Li Tang
public health
nutrition
maternal and child health
Metrics
H-Index
i10 Index
Citation
13
14
540
* Rankings
Ranking Based On Selection: 18
Tran Van Dinh
Biostatistics
Non-Communicable Disease Control and Prevention
Health Promotion
Metabolism Disorders
Metrics
H-Index
i10 Index
Citation
11
11
385
Rankings
Ranking Based On Selection: 1
Michael Livingston
Metrics
H-Index
i10 Index
Citation Counts
55
178
15,822
Rankings
Ranking Based On Selection: 2
Steve Allsop
Metrics
H-Index
i10 Index
Citation Counts
42
112
7,387
Rankings
Ranking Based On Selection: 3
Berihun Assefa Dachew
Metrics
H-Index
i10 Index
Citation Counts
41
74
21,022
Rankings
Ranking Based On Selection: 5
Chad Lin
Metrics
H-Index
i10 Index
Citation Counts
40
118
7,093
Public Health
Health Informatics
Evaluation of Health Information Technology
Information Technology Investment
Rankings
Ranking Based On Selection: 6
Lucinda J Black
Metrics
H-Index
i10 Index
Citation Counts
31
63
3,899
Rankings
Ranking Based On Selection: 7
Roy Rillera Marzo
Metrics
H-Index
i10 Index
Citation Counts
30
58
5,557
Sustainable Development
Epidemiology
Ageing
Vaccine
Medical Education
Rankings
Ranking Based On Selection: 8
Amanuel Tesfay Gebremedhin *
Metrics
H-Index
i10 Index
Citation Counts
30
47
61,088
Rankings
Ranking Based On Selection: 9
Enayet Karim Chowdhury
Metrics
H-Index
i10 Index
Citation Counts
29
46
7,662
Epidemiology
heart disease
Elderly
Child health
Cost-effectiveness analysis
Rankings
Ranking Based On Selection: 10
Iain S Pratt|Steve Pratt
Metrics
H-Index
i10 Index
Citation Counts
27
45
2,094
Public Health
Nutrition and Dietetics
Cancer
Obesity
Alcohol

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Rankings
Ranking Based On Selection: 11
Jonathan Hallett
Metrics
H-Index
i10 Index
Citation Counts
23
35
1,770
Rankings
Ranking Based On Selection: 12
Gemma Crawford
Metrics
H-Index
i10 Index
Citation Counts
22
37
1,415
knowledge translation
health promotion
public health
HIV
migration
Rankings
Ranking Based On Selection: 13
Leavy Justine E
Metrics
H-Index
i10 Index
Citation Counts
21
37
1,606
Rankings
Ranking Based On Selection: 14
Susannah Maxwell
Metrics
H-Index
i10 Index
Citation Counts
17
24
1,085
Public health genomics
prenatal screening
newborn screening
policy
Rankings
Ranking Based On Selection: 15
Kalayu Brhane Mruts
Metrics
H-Index
i10 Index
Citation Counts
16
18
33,621
Health system research and evaluation
maternal
newborn and reproductive health
Rankings
Ranking Based On Selection: 17
Li Tang
Metrics
H-Index
i10 Index
Citation Counts
13
14
540
Rankings
Ranking Based On Selection: 18
Tran Van Dinh
Metrics
H-Index
i10 Index
Citation Counts
11
11
385
Biostatistics
Non-Communicable Disease Control and Prevention
Health Promotion
Metabolism Disorders