University, Subject, Country, Region, World
Canada 59.810 Scientists Subject Rankings - 2025
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 years. As of Jan 31, 2025, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (873.690) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H IndexRankings
Ranking Based On Selection: 51
Gut hormones
Endocrinology
Diabetes
GLP-1
obesity
Metrics
H-Index
i10 Index
Citation Counts
154
421
95,380
* Total H IndexRankings
Ranking Based On Selection: 52
Use of diet in the prevention and treatment of hyperlipidemia and diabetes
Metrics
H-Index
i10 Index
Citation Counts
154
496
111,369
* Total H IndexRankings
Ranking Based On Selection: 53
medicine
Metrics
H-Index
i10 Index
Citation Counts
152
528
138,615
* Total H IndexRankings
Ranking Based On Selection: 54
Surgery
Cancer
Genomics
Metrics
H-Index
i10 Index
Citation Counts
151
680
105,626
* Total H IndexRankings
Ranking Based On Selection: 55
Cosmology
Astronomy
Physics
Metrics
H-Index
i10 Index
Citation Counts
150
611
234,027
* Total H IndexRankings
Ranking Based On Selection: 56
Exercise Oncology
Metrics
H-Index
i10 Index
Citation Counts
150
551
83,231
* Total H IndexRankings
Ranking Based On Selection: 57
air pollution
environmental health
environmental epidemiology
built environment
Metrics
H-Index
i10 Index
Citation Counts
149
447
168,916
* Total H IndexRankings
Ranking Based On Selection: 58
cardiology
cardiovascular
clinical trials
Metrics
H-Index
i10 Index
Citation Counts
149
770
212,428
* Total H IndexRankings
Ranking Based On Selection: 59
Experimental Particle Physics
Metrics
H-Index
i10 Index
Citation Counts
148
906
99,060
* Total H IndexRankings
Ranking Based On Selection: 60
mitochondrial disease
aging
exercise
Metrics
H-Index
i10 Index
Citation Counts
147
515
75,292
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
* Total H IndexRankings
Ranking Based On Selection: 61
Ecotoxicology
Environmental Chemistry
Aquatic Toxicology
Ecology
Environmental Toxicology
Metrics
H-Index
i10 Index
Citation Counts
147
1,126
101,106
* Total H IndexRankings
Ranking Based On Selection: 62
Advanced Materials
Batteries
Solid-State Batteries
Fuel Cells
Electrocatalysts
Metrics
H-Index
i10 Index
Citation Counts
146
639
76,630
* Total H IndexRankings
Ranking Based On Selection: 63
nonlinear optics
stimulated Brillouin scattering
fiber laser
fiber sensing
slow light
Metrics
H-Index
i10 Index
Citation Counts
146
1,920
129,839
* Total H IndexRankings
Ranking Based On Selection: 64
Metrics
H-Index
i10 Index
Citation Counts
146
664
212,977
* Total H IndexRankings
Ranking Based On Selection: 65
Frailty
cognitive impairment
ageing
geriatric medicine
dementia
Metrics
H-Index
i10 Index
Citation Counts
146
631
129,360
* Total H IndexRankings
Ranking Based On Selection: 66
Critical Care Medicine
End of Life Care
Metrics
H-Index
i10 Index
Citation Counts
146
481
84,751
* Total H IndexRankings
Ranking Based On Selection: 67
Bioinformatics
Biology
Metabolomics
Structural Biology
Synthetic Biology
Metrics
H-Index
i10 Index
Citation Counts
145
457
141,564
* Total H IndexRankings
Ranking Based On Selection: 68
Passion
Motivation
Self
Positive Psychology
Social Psychology
Metrics
H-Index
i10 Index
Citation Counts
145
324
112,099
* Total H IndexRankings
Ranking Based On Selection: 69
cosmology
astrophysics
particle theory
nuclear physics
Metrics
H-Index
i10 Index
Citation Counts
145
419
133,539
* Total H IndexRankings
Ranking Based On Selection: 70
Sommeil
Vigilance
Imagerie cérébrale
Metrics
H-Index
i10 Index
Citation Counts
145
442
70,189
* Total H IndexRankings
Ranking Based On Selection: 71
systems biology
Metrics
H-Index
i10 Index
Citation Counts
144
1,560
109,922
* Total H IndexRankings
Ranking Based On Selection: 72
health
physical activity
sedentary behaviour
outdoor play
movement behaviours
Metrics
H-Index
i10 Index
Citation Counts
144
517
109,219
* Total H IndexRankings
Ranking Based On Selection: 73
Hematology
Metrics
H-Index
i10 Index
Citation Counts
144
640
108,874
* Total H IndexRankings
Ranking Based On Selection: 74
Valvular Heart Diseases
Metrics
H-Index
i10 Index
Citation Counts
143
634
116,676
* Total H IndexRankings
Ranking Based On Selection: 75
skeletal muscle
dietary protein
aging
strength
sarcopenia
Metrics
H-Index
i10 Index
Citation Counts
143
378
71,459
Daniel J Drucker
Metrics
H-Index
i10-Index
Citation Counts
154
421
95,380
Gut hormones
Endocrinology
Diabetes
GLP-1
obesity
David Ja Jenkins
University of Toronto
Toronto, Canada
Metrics
H-Index
i10-Index
Citation Counts
154
496
111,369
Use of diet in the prevention and treatment of hyperlipidemia and diabetes
Rouleau J
Université de Montréal
Montréal, Canada
Metrics
H-Index
i10-Index
Citation Counts
152
528
138,615
Steven Gallinger
University of Toronto
Toronto, Canada
Metrics
H-Index
i10-Index
Citation Counts
151
680
105,626
Douglas Scott
University of British Columbia
Vancouver, Canada
Metrics
H-Index
i10-Index
Citation Counts
150
611
234,027
Kerry S Courneya
University of Alberta
Edmonton, Canada
Metrics
H-Index
i10-Index
Citation Counts
150
551
83,231
Michael Brauer
University of British Columbia
Vancouver, Canada
Metrics
H-Index
i10-Index
Citation Counts
149
447
168,916
air pollution
environmental health
environmental epidemiology
built environment
Paul W Armstrong
University of Alberta
Edmonton, Canada
Metrics
H-Index
i10-Index
Citation Counts
149
770
212,428
cardiology
cardiovascular
clinical trials
Janis Mckenna
University of British Columbia
Vancouver, Canada
Metrics
H-Index
i10-Index
Citation Counts
148
906
99,060
Mark Tarnopolsky
McMaster University
Hamilton, Canada
Metrics
H-Index
i10-Index
Citation Counts
147
515
75,292
mitochondrial disease
aging
exercise
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
John Giesy
University of Saskatchewan
Saskatoon, Canada
Metrics
H-Index
i10-Index
Citation Counts
147
1,126
101,106
Ecotoxicology
Environmental Chemistry
Aquatic Toxicology
Ecology
Environmental Toxicology
Xueliang Sun
Western University Canada
London, Canada
Metrics
H-Index
i10-Index
Citation Counts
146
639
76,630
Advanced Materials
Batteries
Solid-State Batteries
Fuel Cells
Electrocatalysts
Liang Zhang
Université d'Ottawa
Ottawa, Canada
Metrics
H-Index
i10-Index
Citation Counts
146
1,920
129,839
nonlinear optics
stimulated Brillouin scattering
fiber laser
fiber sensing
slow light
John Eikelboom
McMaster University
Hamilton, Canada
Metrics
H-Index
i10-Index
Citation Counts
146
664
212,977
Kenneth Rockwood
Dalhousie University
Halifax, Canada
Metrics
H-Index
i10-Index
Citation Counts
146
631
129,360
Frailty
cognitive impairment
ageing
geriatric medicine
dementia
Daren Heyland
Queen's University Kingston
Kingston, Canada
Metrics
H-Index
i10-Index
Citation Counts
146
481
84,751
Critical Care Medicine
End of Life Care
David Wishart
University of Alberta
Edmonton, Canada
Metrics
H-Index
i10-Index
Citation Counts
145
457
141,564
Bioinformatics
Biology
Metabolomics
Structural Biology
Synthetic Biology
Robert J Vallerand
Université du Québec Montréal
Montréal, Canada
Metrics
H-Index
i10-Index
Citation Counts
145
324
112,099
Passion
Motivation
Self
Positive Psychology
Social Psychology
J Richard Bond
University of Toronto
Toronto, Canada
Metrics
H-Index
i10-Index
Citation Counts
145
419
133,539
cosmology
astrophysics
particle theory
nuclear physics
Jacques Montplaisir
Université de Montréal
Montréal, Canada
Metrics
H-Index
i10-Index
Citation Counts
145
442
70,189
Sommeil
Vigilance
Imagerie cérébrale
Lei Li
University of Toronto
Toronto, Canada
Metrics
H-Index
i10-Index
Citation Counts
144
1,560
109,922
Mark S Tremblay
Metrics
H-Index
i10-Index
Citation Counts
144
517
109,219
health
physical activity
sedentary behaviour
outdoor play
movement behaviours
Jeffrey Weitz
McMaster University
Hamilton, Canada
Metrics
H-Index
i10-Index
Citation Counts
144
640
108,874
Philippe Pibarot
Université Laval
Québec, Canada
Metrics
H-Index
i10-Index
Citation Counts
143
634
116,676
Stuart M Phillips
McMaster University
Hamilton, Canada
Metrics
H-Index
i10-Index
Citation Counts
143
378
71,459