The Citation Rankings (Highly Cited Researchers) highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.
* Total Citation Counts Rankings
Ranking Based On Selection :1
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
145,758
70,277
0.482
* Total Citation Counts Rankings
Ranking Based On Selection :2
Infectious diseases
medical microbiology
epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
100,115
71,050
0.710
* Total Citation Counts Rankings
Ranking Based On Selection :3
psychology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
92,385
24,192
0.262
* Total Citation Counts Rankings
Ranking Based On Selection :4
Dental epidemiology and public health
dental health services research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,742
29,290
0.467
* Total Citation Counts Rankings
Ranking Based On Selection :5
Medical and Health Sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,131
21,732
0.361
* Total Citation Counts Rankings
Ranking Based On Selection :6
injury
disability
quality of life
integrated care
equity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
55,703
31,963
0.574
* Total Citation Counts Rankings
Ranking Based On Selection :7
Rheumatology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,959
29,218
0.552
* Total Citation Counts Rankings
Ranking Based On Selection :8
Evolutionary ecology of parasitism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,484
18,576
0.368
* Total Citation Counts Rankings
Ranking Based On Selection :9
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,576
11,570
0.238
* Total Citation Counts Rankings
Ranking Based On Selection :10
medical research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,947
11,317
0.241
* Total Citation Counts Rankings
Ranking Based On Selection :11
Gout
psoriatic arthritis
outcome measurement
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,103
19,018
0.431
* Total Citation Counts Rankings
Ranking Based On Selection :12
medicinal chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,438
11,276
0.293
* Total Citation Counts Rankings
Ranking Based On Selection :13
medicine
health sciences
psychology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,181
24,495
0.659
* Total Citation Counts Rankings
Ranking Based On Selection :14
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,051
13,623
0.425
* Total Citation Counts Rankings
Ranking Based On Selection :15
alcohol
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,344
9,984
0.319
* Total Citation Counts Rankings
Ranking Based On Selection :16
tinnitus
pain
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,600
17,345
0.567
* Total Citation Counts Rankings
Ranking Based On Selection :17
Limnology
Lake Ecosystems
Fatty acids in aquatic food webs
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,904
21,125
0.816
* Total Citation Counts Rankings
Ranking Based On Selection :18
Public Health
Nutrition
Chronic Disease Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,746
21,884
0.850
* Total Citation Counts Rankings
Ranking Based On Selection :19
Mathematics
Statistics and Evolutionary Genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,605
12,292
0.480
* Total Citation Counts Rankings
Ranking Based On Selection :20
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,256
11,540
0.457
* Total Citation Counts Rankings
Ranking Based On Selection :21
intelligence
political science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,045
7,820
0.312
* Total Citation Counts Rankings
Ranking Based On Selection :22
gut microbiota
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,456
5,419
0.231
* Total Citation Counts Rankings
Ranking Based On Selection :23
neuroscience
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,747
6,280
0.276
* Total Citation Counts Rankings
Ranking Based On Selection :24
Statistical analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,662
9,935
0.438
* Total Citation Counts Rankings
Ranking Based On Selection :25
stroke
neurology
health service delivery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,332
21,516
0.963
Tony Merriman
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
145,758
70,277
0.482
John A Crump
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
100,115
71,050
0.710
Infectious diseases
medical microbiology
epidemiology
David Fergusson
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
92,385
24,192
0.262
W Murray Thomson
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,742
29,290
0.467
Dental epidemiology and public health
dental health services research
Simon Hales
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,131
21,732
0.361
Medical and Health Sciences
Sarah Derrett
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
55,703
31,963
0.574
Rebecca Grainger
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,959
29,218
0.552
Robert Poulin
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,484
18,576
0.368
Evolutionary ecology of parasitism
Crispin Gardiner
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,576
11,570
0.238
Peter Herbison
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,947
11,317
0.241
William J Taylor
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,103
19,018
0.431
Robin aj smith
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,438
11,276
0.293
Kate M Scott
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,181
24,495
0.659
medicine
health sciences
psychology
Brett Delahunt
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,051
13,623
0.425
Elisabeth Wells
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,344
9,984
0.319
Dirk De Ridder
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,600
17,345
0.567
Samiullah Khan
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,904
21,125
0.816
Limnology
Lake Ecosystems
Fatty acids in aquatic food webs
Rachael McLean
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,746
21,884
0.850
Public Health
Nutrition
Chronic Disease Epidemiology
David Bryant
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,605
12,292
0.480
Mathematics
Statistics and Evolutionary Genetics
Joseph Boden
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,256
11,540
0.457
James R Flynn
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,045
7,820
0.312
intelligence
political science
Gerald W Tannock
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,456
5,419
0.231
Wickliffe Abraham
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,747
6,280
0.276
Mark Weatherall
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,662
9,935
0.438
Annemarei Ranta
University of Otago
North Dunedin, New Zealand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,332
21,516
0.963
stroke
neurology
health service delivery