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.

Hamza İrfan
Global Health
Public Health
Internal Medicine
Cardiology
Metrics
H-Index
i10 Index
Citation
5
2
70
Rankings
Ranking Based On Selection: 1
Ayesha Humayun
Metrics
H-Index
i10 Index
Citation Counts
30
48
22,248
Epidemiology
health services management
nutritional epidemiology
Rankings
Ranking Based On Selection: 2
Rankings
Ranking Based On Selection: 3
Rankings
Ranking Based On Selection: 6
Rankings
Ranking Based On Selection: 7
Global Health
Public Health
Internal Medicine
Cardiology
Rankings
Ranking Based On Selection: 8
Bibliometrics
Public Health
Cardiology
Infectious disease
Internal medicine
Rankings
Ranking Based On Selection: 10
Health Information
Information Literacy
Research Literacy
Critical Thinking