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" (873,864 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
Ian Janssen
physical activity
sedentary behavior
children
epidemiology
public health
Metrics
H-Index
i10 Index
Citation
121
321
87,917
Harriet Richardson
molecular epidemiology
cancer prevention
clinical trials
Metrics
H-Index
i10 Index
Citation
33
59
5,268
Rankings
Ranking Based On Selection: 1
Ian Janssen
Metrics
H-Index
i10 Index
Citation Counts
121
321
87,917
physical activity
sedentary behavior
children
epidemiology
public health
Rankings
Ranking Based On Selection: 2
Patti Groome
Metrics
H-Index
i10 Index
Citation Counts
62
141
21,854
Rankings
Ranking Based On Selection: 3
Kristan Aronson
Metrics
H-Index
i10 Index
Citation Counts
60
139
18,106
Rankings
Ranking Based On Selection: 4
Beatriz E Alvarado Llano
Metrics
H-Index
i10 Index
Citation Counts
38
66
6,264
Rankings
Ranking Based On Selection: 5
Harriet Richardson
Metrics
H-Index
i10 Index
Citation Counts
33
59
5,268