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 rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,120,277 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 4
Jaakko Tuomilehto
Public Health
Epidemiology
Diabetes
Cardiovascular Disease
Metrics
 
H-Index
i10 Index
Citation
298
1,581
519,570
* Rankings
Ranking Based On Selection: 8
Peter Libby
medicine
cardiology
atherosclerosis
immunology
Metrics
 
H-Index
i10 Index
Citation
263
944
311,126
* Rankings
Ranking Based On Selection: 9
Nicholas Wareham
epidemiology
metabolic disease
public health
nutrition
physical activity
Metrics
 
H-Index
i10 Index
Citation
260
1,241
366,013
* Rankings
Ranking Based On Selection: 12
Ali H Mokdad
Health Metrics
Population Health
IHME
Global Health
Epidemiology
Metrics
 
H-Index
i10 Index
Citation
248
795
551,654
* Rankings
Ranking Based On Selection: 13
David J Hunter
Cancer Epidemiology
Genetic Epidemiology
Nutritional Epidemiology
Global Health
Metrics
 
H-Index
i10 Index
Citation
246
1,161
347,859
* Rankings
Ranking Based On Selection: 14
Simon I Hay
IHME
Health Metrics
Global Health
Public Health
Epidemiology
Metrics
 
H-Index
i10 Index
Citation
245
624
399,147
* Rankings
Ranking Based On Selection: 16
Diederick E. Grobbee
medicine
epidemiology
coronary heart disease
global health
Metrics
 
H-Index
i10 Index
Citation
231
1,343
359,560
* Rankings
Ranking Based On Selection: 17
Zulfiqar Bhutta
Global Health
Child Survival
Public Health Nutritio
Metrics
 
H-Index
i10 Index
Citation
230
1,168
381,323
* Rankings
Ranking Based On Selection: 19
Joel Schwartz
air pollution
metals
health
statistics
epigenetics
Metrics
 
H-Index
i10 Index
Citation
229
1,153
189,932
* Rankings
Ranking Based On Selection: 20
Emelia J Benjamin
Atrial fibrillation
Faculty Development
Diversity-DEIA
Cardiovascular epidemiology
Inflammatio
Metrics
 
H-Index
i10 Index
Citation
217
820
410,251
* Rankings
Ranking Based On Selection: 21
Douglas Easton
Genetic Epidemiology
Cancer Epidemiology
Statistical Genetics
Metrics
 
H-Index
i10 Index
Citation
216
960
213,676
* Rankings
Ranking Based On Selection: 22
Goncalo Abecasis
Biostatistics
Human Genetics
Statistical Computing
Genetics
Complex Traits
Metrics
 
H-Index
i10 Index
Citation
215
529
380,083
* Rankings
Ranking Based On Selection: 23
James F Sallis
physical activity
exercise
built environment
physical education
walkabilit
Metrics
 
H-Index
i10 Index
Citation
215
757
255,993
Rankings
Ranking Based On Selection: 1
Frank B Hu
Metrics
 
H-Index
i10 Index
Citation Counts
320
1,510
525,264
Rankings
Ranking Based On Selection: 2
Graham Colditz
Metrics
 
H-Index
i10 Index
Citation Counts
316
1,354
398,847
Rankings
Ranking Based On Selection: 3
Gordon Guyatt
Metrics
 
H-Index
i10 Index
Citation Counts
304
1,687
604,295
Rankings
Ranking Based On Selection: 4
Jaakko Tuomilehto
Metrics
 
H-Index
i10 Index
Citation Counts
298
1,581
519,570
Rankings
Ranking Based On Selection: 5
George Davey Smith
Metrics
 
H-Index
i10 Index
Citation Counts
296
1,799
451,691
Rankings
Ranking Based On Selection: 6
Paul M Ridker
Metrics
 
H-Index
i10 Index
Citation Counts
291
1,187
501,366
Rankings
Ranking Based On Selection: 7
Tim D Spector
Metrics
 
H-Index
i10 Index
Citation Counts
267
1,313
281,830
Rankings
Ranking Based On Selection: 8
Peter Libby
Metrics
 
H-Index
i10 Index
Citation Counts
263
944
311,126
Rankings
Ranking Based On Selection: 9
Nicholas Wareham
Metrics
 
H-Index
i10 Index
Citation Counts
260
1,241
366,013
epidemiology
metabolic disease
public health
nutrition
physical activity
Rankings
Ranking Based On Selection: 10
Eric Rimm
Metrics
 
H-Index
i10 Index
Citation Counts
259
929
329,880
Rankings
Ranking Based On Selection: 12
Ali H Mokdad
Metrics
 
H-Index
i10 Index
Citation Counts
248
795
551,654
Health Metrics
Population Health
IHME
Global Health
Epidemiology
Rankings
Ranking Based On Selection: 13
David J Hunter
Metrics
 
H-Index
i10 Index
Citation Counts
246
1,161
347,859
Cancer Epidemiology
Genetic Epidemiology
Nutritional Epidemiology
Global Health
Rankings
Ranking Based On Selection: 14
Simon I Hay
Metrics
 
H-Index
i10 Index
Citation Counts
245
624
399,147
Rankings
Ranking Based On Selection: 15
Michael G Marmot
Metrics
 
H-Index
i10 Index
Citation Counts
237
1,015
334,866
Rankings
Ranking Based On Selection: 16
Diederick E. Grobbee
Metrics
 
H-Index
i10 Index
Citation Counts
231
1,343
359,560
Rankings
Ranking Based On Selection: 17
Zulfiqar Bhutta
Metrics
 
H-Index
i10 Index
Citation Counts
230
1,168
381,323
Rankings
Ranking Based On Selection: 18
Mika Kivimaki
Metrics
 
H-Index
i10 Index
Citation Counts
230
1,337
368,670
Rankings
Ranking Based On Selection: 19
Joel Schwartz
Metrics
 
H-Index
i10 Index
Citation Counts
229
1,153
189,932
Rankings
Ranking Based On Selection: 20
Emelia J Benjamin
Metrics
 
H-Index
i10 Index
Citation Counts
217
820
410,251
Atrial fibrillation
Faculty Development
Diversity-DEIA
Cardiovascular epidemiology
Inflammatio
Rankings
Ranking Based On Selection: 21
Douglas Easton
Metrics
 
H-Index
i10 Index
Citation Counts
216
960
213,676
Rankings
Ranking Based On Selection: 22
Goncalo Abecasis
Metrics
 
H-Index
i10 Index
Citation Counts
215
529
380,083
Biostatistics
Human Genetics
Statistical Computing
Genetics
Complex Traits
Rankings
Ranking Based On Selection: 23
James F Sallis
Metrics
 
H-Index
i10 Index
Citation Counts
215
757
255,993
physical activity
exercise
built environment
physical education
walkabilit
Rankings
Ranking Based On Selection: 24
Carlo La Vecchia
Metrics
 
H-Index
i10 Index
Citation Counts
214
2,056
261,148
Rankings
Ranking Based On Selection: 25
Elio Riboli
Metrics
 
H-Index
i10 Index
Citation Counts
207
1,080
253,086