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" (870,057 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
Gary J Macfarlane
Epidemiology
Rheumatic and Musculoskeletal Diseases including pain and fatigue
Cancer
Metrics
H-Index
i10 Index
Citation
118
366
48,031
* Rankings
Ranking Based On Selection: 3
Tatiana Macfarlane
Epidemilogy
Oral health
Head and Neck cancer
Orofacial pain
Metrics
H-Index
i10 Index
Citation
68
139
13,037
Muhammad Imran Omar
Real World Evidence
Evidence Synthesis
Medical Education
Urology
Incontinence
Metrics
H-Index
i10 Index
Citation
36
57
5,203
Mike Crilly
Clinical Epidemiology
Cardiovascular Disease
Arterial Stiffness
Rheumatoid Arthritis
Preeclampsia.
Metrics
H-Index
i10 Index
Citation
21
37
2,749
Simon Sawhney
acute kidney injury
chronic kidney disease
epidemiology
health equity
risk prediction
Metrics
H-Index
i10 Index
Citation
20
31
2,239
Jessica E Butler
public health
health inequalities
chronic disease
open science
Metrics
H-Index
i10 Index
Citation
17
22
3,376
Rankings
Ranking Based On Selection: 1
Gary J Macfarlane
Metrics
H-Index
i10 Index
Citation Counts
118
366
48,031
Epidemiology
Rheumatic and Musculoskeletal Diseases including pain and fatigue
Cancer
Rankings
Ranking Based On Selection: 2
Geraldine McNeill
Metrics
H-Index
i10 Index
Citation Counts
76
199
18,974
Rankings
Ranking Based On Selection: 3
Tatiana Macfarlane
Metrics
H-Index
i10 Index
Citation Counts
68
139
13,037
Epidemilogy
Oral health
Head and Neck cancer
Orofacial pain
Rankings
Ranking Based On Selection: 4
Muhammad Imran Omar
Metrics
H-Index
i10 Index
Citation Counts
36
57
5,203
Real World Evidence
Evidence Synthesis
Medical Education
Urology
Incontinence
Rankings
Ranking Based On Selection: 5
Mike Crilly
Metrics
H-Index
i10 Index
Citation Counts
21
37
2,749
Clinical Epidemiology
Cardiovascular Disease
Arterial Stiffness
Rheumatoid Arthritis
Preeclampsia.
Rankings
Ranking Based On Selection: 6
Simon Sawhney
Metrics
H-Index
i10 Index
Citation Counts
20
31
2,239
acute kidney injury
chronic kidney disease
epidemiology
health equity
risk prediction
Rankings
Ranking Based On Selection: 7
Jessica E Butler
Metrics
H-Index
i10 Index
Citation Counts
17
22
3,376
public health
health inequalities
chronic disease
open science