Total 2,392,995 scientists, country 221, and institutions 24,455 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
Geriatrics and Gerontology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,662
1,398
0.841
* Total i10 IndexRankings
Ranking Based On Selection: 2
...diabetes
nutrition
nursing homes
frailty
alzheimers
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,132
470
0.415
* Total i10 IndexRankings
Ranking Based On Selection: 3
metabolism
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
565
297
0.526
* Total i10 IndexRankings
Ranking Based On Selection: 4
geriatric heart failure
multiple chronic conditions
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
478
318
0.665
* Total i10 IndexRankings
Ranking Based On Selection: 5
Aging and Caloric Restriction
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
327
285
0.872
* Total i10 IndexRankings
Ranking Based On Selection: 6
Aging
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
297
179
0.603
* Total i10 IndexRankings
Ranking Based On Selection: 7
physician patient communication
patient safety
outcomes based research
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
291
201
0.691
* Total i10 IndexRankings
Ranking Based On Selection: 8
palliative care
geriatrics
multimorbidity
pain
quality of life
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
287
235
0.819
* Total i10 IndexRankings
Ranking Based On Selection: 9
Alzheimer's disease
geriatrics
estrogen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
264
231
0.875
* Total i10 IndexRankings
Ranking Based On Selection: 10
drug utilization
adverse drug events
aged
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
228
142
0.623
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* Total i10 IndexRankings
Ranking Based On Selection: 11
Palliative care
geriatrics
bioethics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
222
137
0.617
* Total i10 IndexRankings
Ranking Based On Selection: 12
Aging
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
213
116
0.545
* Total i10 IndexRankings
Ranking Based On Selection: 13
aging
geriatrics
cardiovascular disease
quality improvement
health disparities
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
204
135
0.662
* Total i10 IndexRankings
Ranking Based On Selection: 14
Depression
geriatrics
health services research
mixed methods
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
193
141
0.731
* Total i10 IndexRankings
Ranking Based On Selection: 15
Cancer
Aging
Supportive Care
Geriatrics
Medical Decision Making
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
189
157
0.831
* Total i10 IndexRankings
Ranking Based On Selection: 16
Geriatrics
Patient Centered Care
Multimorbidity
Population Health Systems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
185
134
0.724
* Total i10 IndexRankings
Ranking Based On Selection: 17
Aging
Geriatric Medicine
Gerontology
Geroscience
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
184
147
0.799
* Total i10 IndexRankings
Ranking Based On Selection: 18
affective neuroscience
aging
locus coeruleus-norepinephrine system
heart rate variability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
177
153
0.864
* Total i10 IndexRankings
Ranking Based On Selection: 19
health care research
geriatrics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
168
100
0.595
* Total i10 IndexRankings
Ranking Based On Selection: 20
Gerontology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
165
78
0.473
* Total i10 IndexRankings
Ranking Based On Selection: 21
dementia
MCI
executive functions
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
162
123
0.759
* Total i10 IndexRankings
Ranking Based On Selection: 22
geriatric syndromes
incontinence
delirium
falls
osteoporosis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
157
78
0.497
* Total i10 IndexRankings
Ranking Based On Selection: 23
Neuroinflammation
Alzheimer's disease
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
145
87
0.600
* Total i10 IndexRankings
Ranking Based On Selection: 24
Cardiology
Healthcare disparities
Cardiovascular prevention
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
129
0.902
* Total i10 IndexRankings
Ranking Based On Selection: 25
geriatrics
implementation science
falls
delirium
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
86
0.601
Luigi Ferrucci
National Institute on Aging
Bethesda, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,662
1,398
0.841
John Morley
Saint Louis University
St. Louis, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,132
470
0.415
...diabetes
nutrition
nursing homes
frailty
alzheimers
Robert R Wolfe
University of Arkansas for Medical Sciences
Little Rock, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
565
297
0.526
Ali Ahmed
US Veterans Affairs
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
478
318
0.665
geriatric heart failure
multiple chronic conditions
Rafael Carlos De Cabo|Rafael DeCabo, Rafael d Cabo, Rafa de Cabo
National Institute on Aging
Bethesda, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
327
285
0.872
Aging and Caloric Restriction
Pinchas Cohen
University of Southern California
Los Angeles, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
297
179
0.603
Richard M Frankel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
291
201
0.691
physician patient communication
patient safety
outcomes based research
Christine Ritchie
Harvard University
Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
287
235
0.819
palliative care
geriatrics
multimorbidity
pain
quality of life
Sanjay Asthana
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
264
231
0.875
Alzheimer's disease
geriatrics
estrogen
Joseph Hanlon
University of Pittsburgh
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
228
142
0.623
drug utilization
adverse drug events
aged
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Alexander K Smith
University of California San Francisco
San Francisco, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
222
137
0.617
Palliative care
geriatrics
bioethics
Vern Bengtson
University of Southern California
Los Angeles, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
213
116
0.545
Richard M Allman
George Washington University
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
204
135
0.662
aging
geriatrics
cardiovascular disease
quality improvement
health disparities
Joseph J Gallo
Johns Hopkins University
Baltimore, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
193
141
0.731
Depression
geriatrics
health services research
mixed methods
William Dale
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
189
157
0.831
Cancer
Aging
Supportive Care
Geriatrics
Medical Decision Making
Aanand D Naik
Baylor College of Medicine
Houston, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
185
134
0.724
Geriatrics
Patient Centered Care
Multimorbidity
Population Health Systems
George A Kuchel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
184
147
0.799
Aging
Geriatric Medicine
Gerontology
Geroscience
Mara Mather
University of Southern California
Los Angeles, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
177
153
0.864
affective neuroscience
aging
locus coeruleus-norepinephrine system
heart rate variability
Seth Landefeld
University of Alabama Birmingham
Birmingham, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
168
100
0.595
health care research
geriatrics
Karen A Roberto
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
165
78
0.473
David J Libon
Rowan University
Glassboro, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
162
123
0.759
dementia
MCI
executive functions
Neil Resnick
University of Pittsburgh
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
157
78
0.497
geriatric syndromes
incontinence
delirium
falls
osteoporosis
W Sue Griffin
University of Arkansas for Medical Sciences
Little Rock, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
145
87
0.600
Neuroinflammation
Alzheimer's disease
Beatriz Rodriguez
University of Hawaii System
Honolulu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
129
0.902
Cardiology
Healthcare disparities
Cardiovascular prevention
Lorraine C Mion
Ohio State University
Columbus, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
86
0.601
geriatrics
implementation science
falls
delirium