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: 1
Khalid Khan
Public Health
Systematic Reviews
Clinical Trials
Evidence-based Medicine
Research Integrity
Metrics
H-Index
i10 Index
Citation
121
453
60,856
Mohammad Talaei
Nutritional Epidemiology
Cardiometabolic Diseases
Cognitive Function
Asthma
Lung function
Metrics
H-Index
i10 Index
Citation
36
88
4,582
Giuliano Russo
Health economics
health systems
pharmaceutical markets
human resources for health
LMICs
Metrics
H-Index
i10 Index
Citation
27
44
1,757
Jing Song
Public Health
Epidemiology
Nutrition
Gene-environment interaction
Non-communicable diseases
Metrics
H-Index
i10 Index
Citation
23
31
2,029
Rankings
Ranking Based On Selection: 1
Khalid Khan
Metrics
H-Index
i10 Index
Citation Counts
121
453
60,856
Public Health
Systematic Reviews
Clinical Trials
Evidence-based Medicine
Research Integrity
Rankings
Ranking Based On Selection: 2
Nicholas Wald
Metrics
H-Index
i10 Index
Citation Counts
116
434
71,385
Rankings
Ranking Based On Selection: 3
Stephanie JC Taylor
Metrics
H-Index
i10 Index
Citation Counts
89
258
32,436
Rankings
Ranking Based On Selection: 4
Tom Abbott
Metrics
H-Index
i10 Index
Citation Counts
45
86
11,912
Rankings
Ranking Based On Selection: 5
Mohammad Talaei
Metrics
H-Index
i10 Index
Citation Counts
36
88
4,582
Nutritional Epidemiology
Cardiometabolic Diseases
Cognitive Function
Asthma
Lung function
Rankings
Ranking Based On Selection: 6
Giuliano Russo
Metrics
H-Index
i10 Index
Citation Counts
27
44
1,757
Health economics
health systems
pharmaceutical markets
human resources for health
LMICs
Rankings
Ranking Based On Selection: 7
Jing Song
Metrics
H-Index
i10 Index
Citation Counts
23
31
2,029
Public Health
Epidemiology
Nutrition
Gene-environment interaction
Non-communicable diseases
Rankings
Ranking Based On Selection: 8
Vichithranie Wasantha Madurasinghe
Metrics
H-Index
i10 Index
Citation Counts
16
24
2,428
clinical trials
epidemiology
medical statistics
routine data
Rankings
Ranking Based On Selection: 9
John Paul Cauchi
Metrics
H-Index
i10 Index
Citation Counts
8
6
234
Public Health
Climate change
Community resilience
environmental health