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
Randah R Hamadeh
Metrics
H-Index
i10 Index
Citation Counts
66
116
145,820
Noncommunicable diseases
cancer
smoking
global health
mental health
Rankings
Ranking Based On Selection: 2
Afif Ben Salah
Metrics
H-Index
i10 Index
Citation Counts
29
57
3,073
Rankings
Ranking Based On Selection: 3
Jayanta Gupta
Metrics
H-Index
i10 Index
Citation Counts
26
33
3,647
Rankings
Ranking Based On Selection: 4
Salman Alzayani
Metrics
H-Index
i10 Index
Citation Counts
6
3
104
Public Health
Health Policy
Community Medicine
Medical Education