North America

Subject Rankings

North America Subject Rankings 2025

AD Scientific Index (Alper-Doger Scientific Index) offers the broadest spectrum of branches, providing analysis in 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses can be based on indicators such as the H-index, i10-index, and citation count, as well as their values from the last 6 years. As of Nov 21, 2024, rankings are according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in beta. This is due to the exclusion of (873.864) scientists categorized under 'others,' whose profiles cannot yet be determined, edited, or classified. As these fields are updated, the rankings will adjust accordingly. Please keep this in mind. See Also: [University Subject Rankings]

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Total 508.021 scientist, 220 country, 24.386 institution
* Total H IndexRankings
World Rank
3
Country Rank
1
Institution Rank :1
Ranking Based On Selection :1
United States
Ronald C Kessler
Ronald C Kessler
Harvard University
Cambridge , United States
Medical and Health Sciences / Psychiatry
Psychiatric Epidemiology
Metrics
H-Index
i10 Index
Citation Counts
345
1,291
581,824
See All Rankings and Analysis
* Total H IndexRankings
World Rank
6
Country Rank
2
Institution Rank :1
Ranking Based On Selection :2
United States
Robert Langer
Robert Langer
Massachusetts Institute of Technology
Cambridge , United States
Engineering & Technology / Bioengineering
drug delivery
tissue engineering
biomaterials
nanotechnology
chemistry
Metrics
H-Index
i10 Index
Citation Counts
327
1,884
435,403
See All Rankings and Analysis
* Total H IndexRankings
World Rank
7
Country Rank
3
Institution Rank :1
Ranking Based On Selection :3
United States
Zhong Lin Wang
Zhong Lin Wang
Georgia Institute of Technology
Atlanta , United States
Engineering & Technology / Nanoscience and Nanotechnology
nanogenerator
self-powered sensors/systems
blue energy
piezotronics
piezo-phototronics
Metrics
H-Index
i10 Index
Citation Counts
323
2,436
458,530
See All Rankings and Analysis
* Total H IndexRankings
World Rank
8
Country Rank
4
Institution Rank :2
Ranking Based On Selection :4
United States
Joann E Manson
Joann E Manson
Harvard University
Cambridge , United States
Medical and Health Sciences / Endocrinology and Metabolism
Endocrinology
Epidemiology
Cardiovascular Disease
Diabetes
Women's health
Metrics
H-Index
i10 Index
Citation Counts
323
1,604
481,026
See All Rankings and Analysis
* Total H IndexRankings
World Rank
9
Country Rank
5
Institution Rank :3
Ranking Based On Selection :5
United States
Frank B Hu
Frank B Hu
Harvard University
Cambridge , United States
Medical and Health Sciences / Epidemiology and Public Health
Metrics
H-Index
i10 Index
Citation Counts
320
1,477
517,909
See All Rankings and Analysis
* Total H IndexRankings
World Rank
10
Country Rank
6
Institution Rank :4
Ranking Based On Selection :6
United States
Eric Lander
Eric Lander
Harvard University
Cambridge , United States
Natural Sciences / Mathematical Sciences
Biology
Genomics
Genetics
Bioinformatics
Mathematics
Metrics
H-Index
i10 Index
Citation Counts
319
675
721,349
See All Rankings and Analysis
* Total H IndexRankings
World Rank
11
Country Rank
7
Institution Rank :1
Ranking Based On Selection :7
United States
Graham Colditz
Graham Colditz
Washington University Saint Louis
St. Louis , United States
Medical and Health Sciences / Epidemiology and Public Health
Epidemiology
Cancer Prevention
Health Outcomes
Metrics
H-Index
i10 Index
Citation Counts
314
1,341
395,644
See All Rankings and Analysis
* Total H IndexRankings
World Rank
12
Country Rank
8
Institution Rank :1
Ranking Based On Selection :8
United States
Fuquan Wang
Fuquan Wang
University of Wisconsin Madison
Madison , United States
Natural Sciences / Physics
Particle Physics
Metrics
H-Index
i10 Index
Citation Counts
309
1,926
487,284
See All Rankings and Analysis
* Total H IndexRankings
World Rank
17
Country Rank
1
Institution Rank :1
Ranking Based On Selection :9
Canada
Gordon Guyatt
Gordon Guyatt
McMaster University
Hamilton , Canada
Medical and Health Sciences / Epidemiology and Public Health
Evidence-based medicine
Metrics
H-Index
i10 Index
Citation Counts
304
1,668
593,508
See All Rankings and Analysis
* Total H IndexRankings
World Rank
21
Country Rank
2
Institution Rank :2
Ranking Based On Selection :10
Canada
Salim Yusuf
Salim Yusuf
McMaster University
Hamilton , Canada
Medical and Health Sciences / Cardiology
Cardiology
Metrics
H-Index
i10 Index
Citation Counts
298
1,392
516,791
See All Rankings and Analysis
* Total H IndexRankings
World Rank
24
Country Rank
9
Institution Rank :1
Ranking Based On Selection :11
United States
James Brau
James Brau
University of Oregon
Eugene , United States
Natural Sciences / Physics
particle physics
Metrics
H-Index
i10 Index
Citation Counts
295
1,882
459,052
See All Rankings and Analysis
* Total H IndexRankings
World Rank
27
Country Rank
10
Institution Rank :1
Ranking Based On Selection :12
United States
Bert Vogelstein
Bert Vogelstein
Johns Hopkins University
Baltimore , United States
Natural Sciences / Molecular Biology & Genetics
Cancer
Biology
Metrics
H-Index
i10 Index
Citation Counts
292
783
512,802
See All Rankings and Analysis
* Total H IndexRankings
World Rank
28
Country Rank
11
Institution Rank :1
Ranking Based On Selection :13
United States
Stephane Willocq
Stephane Willocq
University of Massachusetts Amherst
Amherst , United States
Natural Sciences / Physics
particle physics
Metrics
H-Index
i10 Index
Citation Counts
290
1,966
452,095
See All Rankings and Analysis
* Total H IndexRankings
World Rank
29
Country Rank
12
Institution Rank :5
Ranking Based On Selection :14
United States
Paul M Ridker
Paul M Ridker
Harvard University
Cambridge , United States
Medical and Health Sciences / Epidemiology and Public Health
Metrics
H-Index
i10 Index
Citation Counts
285
1,164
490,524
See All Rankings and Analysis
* Total H IndexRankings
World Rank
34
Country Rank
13
Institution Rank :1
Ranking Based On Selection :15
United States
Michael Karin
Michael Karin
University of California San Diego
San Diego , United States
Medical and Health Sciences / Pharmacology
Molecular Biology
Immunology
Cancer Biology
Signal Transduction
Metrics
H-Index
i10 Index
Citation Counts
281
688
349,834
See All Rankings and Analysis
* Total H IndexRankings
World Rank
35
Country Rank
14
Institution Rank :1
Ranking Based On Selection :16
United States
Richard A Flavell
Richard A Flavell
Yale University
New Haven , United States
Medical and Health Sciences / Immunology
Immunology
Metrics
H-Index
i10 Index
Citation Counts
280
1,245
297,089
See All Rankings and Analysis
* Total H IndexRankings
World Rank
37
Country Rank
15
Institution Rank :1
Ranking Based On Selection :17
United States
Yi Cui
Yi Cui
Stanford University
Stanford , United States
Engineering & Technology / Nanoscience and Nanotechnology
nanotechnology
energy
environment
2D materials
nanobio
Metrics
H-Index
i10 Index
Citation Counts
277
823
310,952
See All Rankings and Analysis
* Total H IndexRankings
World Rank
38
Country Rank
16
Institution Rank :1
Ranking Based On Selection :18
United States
Lei Layla Li
Lei Layla Li
Duke University
Durham , United States
Natural Sciences / Physics
Experimental high energy physics
Particle physics
Metrics
H-Index
i10 Index
Citation Counts
277
2,071
380,145
See All Rankings and Analysis
* Total H IndexRankings
World Rank
40
Country Rank
17
Institution Rank :1
Ranking Based On Selection :19
United States
Peter Wittich
Peter Wittich
Cornell University
Ithaca , United States
Natural Sciences / Physics
experimental particle physics
Metrics
H-Index
i10 Index
Citation Counts
276
1,812
347,391
See All Rankings and Analysis
* Total H IndexRankings
World Rank
43
Country Rank
3
Institution Rank :1
Ranking Based On Selection :20
Canada
Justin Albert
Justin Albert
University of Victoria British Columbia
Victoria , Canada
Natural Sciences / Physics
Metrics
H-Index
i10 Index
Citation Counts
273
1,622
362,936
See All Rankings and Analysis
* Total H IndexRankings
World Rank
45
Country Rank
18
Institution Rank :2
Ranking Based On Selection :21
United States
Eric Torrence
Eric Torrence
University of Oregon
Eugene , United States
Natural Sciences / Physics
High Energy Physics
Particle Physics
Physics
Metrics
H-Index
i10 Index
Citation Counts
271
1,833
407,316
See All Rankings and Analysis
* Total H IndexRankings
World Rank
47
Country Rank
19
Institution Rank :1
Ranking Based On Selection :22
United States
Luigi Ferrucci
Luigi Ferrucci
National Institute on Aging
, United States
Medical and Health Sciences / Geriatrics
Geriatrics and Gerontology
Metrics
H-Index
i10 Index
Citation Counts
269
1,647
402,807
See All Rankings and Analysis
* Total H IndexRankings
World Rank
48
Country Rank
20
Institution Rank :1
Ranking Based On Selection :23
United States
Daniel Levy
Daniel Levy
National Institutes of Health
Bethesda, Maryland , United States
Natural Sciences / Molecular Biology & Genetics
Genetics
Genomics
Epidemiology
Cardiovascular Disease
Metrics
H-Index
i10 Index
Citation Counts
269
1,103
436,590
See All Rankings and Analysis
* Total H IndexRankings
World Rank
49
Country Rank
21
Institution Rank :1
Ranking Based On Selection :24
United States
John Rutherfoord
John Rutherfoord
University of Arizona
Tucson , United States
Natural Sciences / Physics
Experimental Partical Physics
Metrics
H-Index
i10 Index
Citation Counts
268
1,610
369,156
See All Rankings and Analysis
* Total H IndexRankings
World Rank
50
Country Rank
22
Institution Rank :1
Ranking Based On Selection :25
United States
Mark Oreglia
Mark Oreglia
University of Chicago
Chicago , United States
Natural Sciences / Physics
particle physics
Metrics
H-Index
i10 Index
Citation Counts
267
1,590
366,606
See All Rankings and Analysis
* Total H Index Rankings
Rankings
3
United States
1
1
Ranking Based On Selection: 1
Ronald C Kessler
Ronald C Kessler
Harvard University Cambridge, United States United States
Metrics
H-Index
i10-Index
Citation Counts
345
1,291
581,824
Medical and Health Sciences / Psychiatry
Psychiatric Epidemiology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
6
United States
2
1
Ranking Based On Selection: 2
Robert Langer
Robert Langer
Massachusetts Institute of Technology Cambridge, United States United States
Metrics
H-Index
i10-Index
Citation Counts
327
1,884
435,403
Engineering & Technology / Bioengineering
drug delivery
tissue engineering
biomaterials
nanotechnology
chemistry
See All Rankings and Analysis
* Total H Index Rankings
Rankings
7
United States
3
1
Ranking Based On Selection: 3
Zhong Lin Wang
Zhong Lin Wang
Georgia Institute of Technology Atlanta, United States United States
Metrics
H-Index
i10-Index
Citation Counts
323
2,436
458,530
Engineering & Technology / Nanoscience and Nanotechnology
nanogenerator
self-powered sensors/systems
blue energy
piezotronics
piezo-phototronics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
8
United States
4
2
Ranking Based On Selection: 4
Joann E Manson
Joann E Manson
Harvard University Cambridge, United States United States
Metrics
H-Index
i10-Index
Citation Counts
323
1,604
481,026
Medical and Health Sciences / Endocrinology and Metabolism
Endocrinology
Epidemiology
Cardiovascular Disease
Diabetes
Women's health
See All Rankings and Analysis
* Total H Index Rankings
Rankings
9
United States
5
3
Ranking Based On Selection: 5
Frank B Hu
Frank B Hu
Harvard University Cambridge, United States United States
Metrics
H-Index
i10-Index
Citation Counts
320
1,477
517,909
Medical and Health Sciences / Epidemiology and Public Health
See All Rankings and Analysis
* Total H Index Rankings
Rankings
10
United States
6
4
Ranking Based On Selection: 6
Eric Lander
Eric Lander
Harvard University Cambridge, United States United States
Metrics
H-Index
i10-Index
Citation Counts
319
675
721,349
Natural Sciences / Mathematical Sciences
Biology
Genomics
Genetics
Bioinformatics
Mathematics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
11
United States
7
1
Ranking Based On Selection: 7
Graham Colditz
Graham Colditz
Washington University Saint Louis St. Louis, United States United States
Metrics
H-Index
i10-Index
Citation Counts
314
1,341
395,644
Medical and Health Sciences / Epidemiology and Public Health
Epidemiology
Cancer Prevention
Health Outcomes
See All Rankings and Analysis
* Total H Index Rankings
Rankings
12
United States
8
1
Ranking Based On Selection: 8
Fuquan Wang
Fuquan Wang
University of Wisconsin Madison Madison, United States United States
Metrics
H-Index
i10-Index
Citation Counts
309
1,926
487,284
Natural Sciences / Physics
Particle Physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
17
Canada
1
1
Ranking Based On Selection: 9
Gordon Guyatt
Gordon Guyatt
McMaster University Hamilton, Canada Canada
Metrics
H-Index
i10-Index
Citation Counts
304
1,668
593,508
Medical and Health Sciences / Epidemiology and Public Health
Evidence-based medicine
See All Rankings and Analysis
* Total H Index Rankings
Rankings
21
Canada
2
2
Ranking Based On Selection: 10
Salim Yusuf
Salim Yusuf
McMaster University Hamilton, Canada Canada
Metrics
H-Index
i10-Index
Citation Counts
298
1,392
516,791
Medical and Health Sciences / Cardiology
Cardiology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
24
United States
9
1
Ranking Based On Selection: 11
James Brau
James Brau
University of Oregon Eugene, United States United States
Metrics
H-Index
i10-Index
Citation Counts
295
1,882
459,052
Natural Sciences / Physics
particle physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
27
United States
10
1
Ranking Based On Selection: 12
Bert Vogelstein
Bert Vogelstein
Johns Hopkins University Baltimore, United States United States
Metrics
H-Index
i10-Index
Citation Counts
292
783
512,802
Natural Sciences / Molecular Biology & Genetics
Cancer
Biology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
28
United States
11
1
Ranking Based On Selection: 13
Stephane Willocq
Stephane Willocq
University of Massachusetts Amherst Amherst, United States United States
Metrics
H-Index
i10-Index
Citation Counts
290
1,966
452,095
Natural Sciences / Physics
particle physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
29
United States
12
5
Ranking Based On Selection: 14
Paul M Ridker
Paul M Ridker
Harvard University Cambridge, United States United States
Metrics
H-Index
i10-Index
Citation Counts
285
1,164
490,524
Medical and Health Sciences / Epidemiology and Public Health
See All Rankings and Analysis
* Total H Index Rankings
Rankings
34
United States
13
1
Ranking Based On Selection: 15
Michael Karin
Michael Karin
University of California San Diego San Diego, United States United States
Metrics
H-Index
i10-Index
Citation Counts
281
688
349,834
Medical and Health Sciences / Pharmacology
Molecular Biology
Immunology
Cancer Biology
Signal Transduction
See All Rankings and Analysis
* Total H Index Rankings
Rankings
35
United States
14
1
Ranking Based On Selection: 16
Richard A Flavell
Richard A Flavell
Yale University New Haven, United States United States
Metrics
H-Index
i10-Index
Citation Counts
280
1,245
297,089
Medical and Health Sciences / Immunology
Immunology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
37
United States
15
1
Ranking Based On Selection: 17
Yi Cui
Yi Cui
Stanford University Stanford, United States United States
Metrics
H-Index
i10-Index
Citation Counts
277
823
310,952
Engineering & Technology / Nanoscience and Nanotechnology
nanotechnology
energy
environment
2D materials
nanobio
See All Rankings and Analysis
* Total H Index Rankings
Rankings
38
United States
16
1
Ranking Based On Selection: 18
Lei Layla Li
Lei Layla Li
Duke University Durham, United States United States
Metrics
H-Index
i10-Index
Citation Counts
277
2,071
380,145
Natural Sciences / Physics
Experimental high energy physics
Particle physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
40
United States
17
1
Ranking Based On Selection: 19
Peter Wittich
Peter Wittich
Cornell University Ithaca, United States United States
Metrics
H-Index
i10-Index
Citation Counts
276
1,812
347,391
Natural Sciences / Physics
experimental particle physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
43
Canada
3
1
Ranking Based On Selection: 20
Justin Albert
Justin Albert
University of Victoria British Columbia Victoria, Canada Canada
Metrics
H-Index
i10-Index
Citation Counts
273
1,622
362,936
Natural Sciences / Physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
45
United States
18
2
Ranking Based On Selection: 21
Eric Torrence
Eric Torrence
University of Oregon Eugene, United States United States
Metrics
H-Index
i10-Index
Citation Counts
271
1,833
407,316
Natural Sciences / Physics
High Energy Physics
Particle Physics
Physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
47
United States
19
1
Ranking Based On Selection: 22
Luigi Ferrucci
Luigi Ferrucci
National Institute on Aging , United States United States
Metrics
H-Index
i10-Index
Citation Counts
269
1,647
402,807
Medical and Health Sciences / Geriatrics
Geriatrics and Gerontology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
48
United States
20
1
Ranking Based On Selection: 23
Daniel Levy
Daniel Levy
National Institutes of Health Bethesda, Maryland, United States United States
Metrics
H-Index
i10-Index
Citation Counts
269
1,103
436,590
Natural Sciences / Molecular Biology & Genetics
Genetics
Genomics
Epidemiology
Cardiovascular Disease
See All Rankings and Analysis
* Total H Index Rankings
Rankings
49
United States
21
1
Ranking Based On Selection: 24
John Rutherfoord
John Rutherfoord
University of Arizona Tucson, United States United States
Metrics
H-Index
i10-Index
Citation Counts
268
1,610
369,156
Natural Sciences / Physics
Experimental Partical Physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
50
United States
22
1
Ranking Based On Selection: 25
Mark Oreglia
Mark Oreglia
University of Chicago Chicago, United States United States
Metrics
H-Index
i10-Index
Citation Counts
267
1,590
366,606
Natural Sciences / Physics
particle physics
See All Rankings and Analysis