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
Blossom Stephan
Mild Cognitive Impairment (MCI)
Dementia Risk Prediction
Alzheimer’s Disease
Metrics
H-Index
i10 Index
Citation
68
164
20,886
* Rankings
Ranking Based On Selection: 3
Laila J Tata
epidemiology
health informatics
perinatal epidemiology
maternal and child health
women's health
Metrics
H-Index
i10 Index
Citation
52
99
7,971
NEIL H CHADBORN
Public health
Health service improvement
health literacy
older people
dementia
Metrics
H-Index
i10 Index
Citation
18
21
1,425

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Rankings
Ranking Based On Selection: 1
John Britton
Metrics
H-Index
i10 Index
Citation Counts
102
339
36,636
Rankings
Ranking Based On Selection: 2
Blossom Stephan
Metrics
H-Index
i10 Index
Citation Counts
68
164
20,886
Mild Cognitive Impairment (MCI)
Dementia Risk Prediction
Alzheimer’s Disease
Rankings
Ranking Based On Selection: 3
Laila J Tata
Metrics
H-Index
i10 Index
Citation Counts
52
99
7,971
epidemiology
health informatics
perinatal epidemiology
maternal and child health
women's health
Rankings
Ranking Based On Selection: 4
Michael Craig Watson
Metrics
H-Index
i10 Index
Citation Counts
34
84
4,309
Injury Prevention
Public Health
Health Promotion
Primary Care
Rankings
Ranking Based On Selection: 5
Colin Crooks
Metrics
H-Index
i10 Index
Citation Counts
28
49
3,742
Rankings
Ranking Based On Selection: 6
Revati Phalkey
Metrics
H-Index
i10 Index
Citation Counts
25
41
2,530
Rankings
Ranking Based On Selection: 7
Pui San Tan
Metrics
H-Index
i10 Index
Citation Counts
23
29
2,836
Rankings
Ranking Based On Selection: 8
Elizabeth Orton nee Quint
Metrics
H-Index
i10 Index
Citation Counts
21
31
1,202
Rankings
Ranking Based On Selection: 9
NEIL H CHADBORN
Metrics
H-Index
i10 Index
Citation Counts
18
21
1,425
Public health
Health service improvement
health literacy
older people
dementia
Rankings
Ranking Based On Selection: 10
Aamir Khakwani
Metrics
H-Index
i10 Index
Citation Counts
15
19
823

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Rankings
Ranking Based On Selection: 11
Jaspreet Kaur
Metrics
H-Index
i10 Index
Citation Counts
7
5
149