Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 2.626.060 Scientists Citation Rankings (Sort by last 6 years Citation Index) - 2025

Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.

* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 1
Canada
Yoshua Bengio
Machine learning
deep learning
artificial intelligenc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
934,630
658,342
0.704
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 2
United States
Kaiming He
Computer Vision
Machine Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
695,740
580,320
0.834
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 3
Canada
Geoffrey Hinton
machine learning
psychology
artificial intelligence
cognitive science
computer scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
917,954
543,636
0.592
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 4
United States
Ahmedin Jemal
Cancer disparities
Cancer treatment and outcomes
Cancer surveillanc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
891,510
492,446
0.552
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 5
United States
Ross Girshick
computer vision
machine learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
574,845
459,755
0.800
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 6
United States
Ilya Sutskever
Machine Learning
Neural Networks
Artificial Intelligence
Deep Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
624,028
457,746
0.734
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 7
United Kingdom
Julian Higgins
evidence synthesis
meta-analysis
systematic review
health technology assessment
biostatistic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
600,874
360,074
0.599
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 8
United States
John PA Ioannidis
meta-research
clinical epidemiology
evidence-based medicine
research methods
meta-analysi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
621,816
356,683
0.574
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 9
United States
Ali H Mokdad
Health Metrics
Population Health
IHME
Global Health
Epidemiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
572,686
342,830
0.599

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* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 10
France
Victor Aboyans
Preventive Cardiology
Vascular Medicine
Hypertensio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
529,541
338,574
0.639
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 11
United States
Simon I. Hay
IHME
Health Metrics
Global Health
Public Health
Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
415,121
310,049
0.747
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 12
United States
Joseph F Hair Jr
multivariate analysis
business analytics
marketing
structural equation modeling
PL
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
512,150
298,824
0.583
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 13
United States
Mohsen Naghavi
Burden of Diseases
Causes of Death
Antimicrobials Resistance
Ira
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
475,683
297,772
0.626
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 14
New Zealand
Virginia Braun
health
gender & sexuality
gendered bodies
food studies
qualitative researc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
387,052
296,089
0.765
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 15
Switzerland
Matthias Egger
Infectious diseases
cancer
epidemiologic method
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
559,557
297,685
0.532
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 16
Australia
Richard M Ryan
psychology
social psychology
clinical psychology
education
positive psycholog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
668,950
288,930
0.432
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 17
United Kingdom
Victoria Clarke
Qualitative research
thematic analysis
sexuality
gender
famil
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
372,447
283,645
0.762
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 18
United States
Quoc V Le
Machine Learning
Artificial Intelligence
Deep Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
326,110
275,591
0.845
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 19
Canada
Gordon Guyatt
Evidence-based medicin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
612,656
273,356
0.446
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 20
United States
Oriol Vinyals
Artificial Intelligence
Machine Learning
Deep Learning
Vision
Natural Language Processin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
338,829
269,670
0.796
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 21
Germany
Jonas JB
Ophthalmology
Epidemiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
406,752
269,537
0.663
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 22
United States
Rob Knight
microbiome
human microbiome
environmental microbiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
460,817
265,558
0.576
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 23
United States
Ian Goodfellow
Deep Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
333,745
264,961
0.794
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 24
United Kingdom
Gregory Lip
Atrial fibrillation
hypertension
thrombosis
heart failure
strok
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
641,099
259,647
0.405
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 25
United Kingdom
Andrew Zisserman
Computer Vision
Machine Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
463,881
259,635
0.560
* Last 6 Years Citation Counts Rankings
Rankings
1
Canada
1
1
Ranking Based On Selection: 1
Yoshua Bengio
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
934,630
658,342
0.704
Machine learning
deep learning
artificial intelligenc
* Last 6 Years Citation Counts Rankings
Rankings
2
United States
1
1
Ranking Based On Selection: 2
Kaiming He
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
695,740
580,320
0.834
* Last 6 Years Citation Counts Rankings
Rankings
3
Canada
2
1
Ranking Based On Selection: 3
Geoffrey Hinton
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
917,954
543,636
0.592
machine learning
psychology
artificial intelligence
cognitive science
computer scienc
* Last 6 Years Citation Counts Rankings
Rankings
4
United States
2
1
Ranking Based On Selection: 4
Ahmedin Jemal
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
891,510
492,446
0.552
Cancer disparities
Cancer treatment and outcomes
Cancer surveillanc
* Last 6 Years Citation Counts Rankings
Rankings
5
United States
3
1
Ranking Based On Selection: 5
Ross Girshick
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
574,845
459,755
0.800
* Last 6 Years Citation Counts Rankings
Rankings
6
United States
4
1
Ranking Based On Selection: 6
Ilya Sutskever
OpenAI San Francisco, United States
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
624,028
457,746
0.734
Machine Learning
Neural Networks
Artificial Intelligence
Deep Learnin
* Last 6 Years Citation Counts Rankings
Rankings
7
United Kingdom
1
1
Ranking Based On Selection: 7
Julian Higgins
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
600,874
360,074
0.599
evidence synthesis
meta-analysis
systematic review
health technology assessment
biostatistic
* Last 6 Years Citation Counts Rankings
Rankings
8
United States
5
1
Ranking Based On Selection: 8
John PA Ioannidis
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
621,816
356,683
0.574
meta-research
clinical epidemiology
evidence-based medicine
research methods
meta-analysi
* Last 6 Years Citation Counts Rankings
Rankings
9
United States
6
1
Ranking Based On Selection: 9
Ali H Mokdad
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
572,686
342,830
0.599
Health Metrics
Population Health
IHME
Global Health
Epidemiolog
* Last 6 Years Citation Counts Rankings
Rankings
10
France
1
1
Ranking Based On Selection: 10
Victor Aboyans
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
529,541
338,574
0.639
Preventive Cardiology
Vascular Medicine
Hypertensio

Is Your University Ready for the Future?

Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis

* Last 6 Years Citation Counts Rankings
Rankings
11
United States
7
2
Ranking Based On Selection: 11
Simon I. Hay
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
415,121
310,049
0.747
* Last 6 Years Citation Counts Rankings
Rankings
12
United States
8
1
Ranking Based On Selection: 12
Joseph F Hair Jr
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
512,150
298,824
0.583
multivariate analysis
business analytics
marketing
structural equation modeling
PL
* Last 6 Years Citation Counts Rankings
Rankings
13
United States
9
3
Ranking Based On Selection: 13
Mohsen Naghavi
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
475,683
297,772
0.626
Burden of Diseases
Causes of Death
Antimicrobials Resistance
Ira
* Last 6 Years Citation Counts Rankings
Rankings
15
New Zealand
1
1
Ranking Based On Selection: 14
Virginia Braun
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
387,052
296,089
0.765
health
gender & sexuality
gendered bodies
food studies
qualitative researc
* Last 6 Years Citation Counts Rankings
Rankings
14
Switzerland
1
1
Ranking Based On Selection: 15
Matthias Egger
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
559,557
297,685
0.532
* Last 6 Years Citation Counts Rankings
Rankings
16
Australia
1
1
Ranking Based On Selection: 16
Richard M Ryan
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
668,950
288,930
0.432
psychology
social psychology
clinical psychology
education
positive psycholog
* Last 6 Years Citation Counts Rankings
Rankings
17
United Kingdom
2
1
Ranking Based On Selection: 17
Victoria Clarke
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
372,447
283,645
0.762
Qualitative research
thematic analysis
sexuality
gender
famil
* Last 6 Years Citation Counts Rankings
Rankings
18
United States
10
2
Ranking Based On Selection: 18
Quoc V Le
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
326,110
275,591
0.845
Machine Learning
Artificial Intelligence
Deep Learnin
* Last 6 Years Citation Counts Rankings
Rankings
19
Canada
3
1
Ranking Based On Selection: 19
Gordon Guyatt
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
612,656
273,356
0.446
* Last 6 Years Citation Counts Rankings
Rankings
20
United States
11
1
Ranking Based On Selection: 20
Oriol Vinyals
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
338,829
269,670
0.796
Artificial Intelligence
Machine Learning
Deep Learning
Vision
Natural Language Processin
* Last 6 Years Citation Counts Rankings
Rankings
21
Germany
1
1
Ranking Based On Selection: 21
Jonas JB
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
406,752
269,537
0.663
* Last 6 Years Citation Counts Rankings
Rankings
22
United States
12
1
Ranking Based On Selection: 22
Rob Knight
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
460,817
265,558
0.576
microbiome
human microbiome
environmental microbiolog
* Last 6 Years Citation Counts Rankings
Rankings
23
United States
13
3
Ranking Based On Selection: 23
Ian Goodfellow
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
333,745
264,961
0.794
* Last 6 Years Citation Counts Rankings
Rankings
24
United Kingdom
3
1
Ranking Based On Selection: 24
Gregory Lip
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
641,099
259,647
0.405
Atrial fibrillation
hypertension
thrombosis
heart failure
strok
* Last 6 Years Citation Counts Rankings
Rankings
25
United Kingdom
4
1
Ranking Based On Selection: 25
Andrew Zisserman
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
463,881
259,635
0.560