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: 2
Ndifreke Ekpo Udonwa
Social and Interpersonal Medicine/Rural and Remote Health
Faculty Development
Metrics
H-Index
i10 Index
Citation
14
18
671
Agam E. Ayuk
Primary Care
Behavioural Medicine
Managed care/Health Financing
HIV Medicine
Metrics
H-Index
i10 Index
Citation
6
4
111
Rankings
Ranking Based On Selection: 1
Emmanuel Nnamdi Ezedinachi
Metrics
H-Index
i10 Index
Citation Counts
17
21
1,102
Rankings
Ranking Based On Selection: 2
Ndifreke Ekpo Udonwa
Metrics
H-Index
i10 Index
Citation Counts
14
18
671
Social and Interpersonal Medicine/Rural and Remote Health
Faculty Development
Rankings
Ranking Based On Selection: 3
Agam E. Ayuk
Metrics
H-Index
i10 Index
Citation Counts
6
4
111
Primary Care
Behavioural Medicine
Managed care/Health Financing
HIV Medicine