Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :1
Cancer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,795
5,675
0.835
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :2
Epidemiology
Biostatistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,836
4,405
0.911
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :3
Cancer Epidemiology
COVID-19
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,310
3,103
0.937
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :4
Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,542
3,072
0.867
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :5
Epidemiology
Mixed model
Time-dependent model
Competing risks analysis
Cohort study
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,380
2,466
0.730
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :6
Epidemiological and statistical modeling
GIS modeling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,907
2,036
0.521
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :7
Medicine
Public Health
Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,136
1,933
0.616
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :8
Public health
health policy
Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,433
1,783
0.733
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :9
Non communicable disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,188
1,733
0.792
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :10
Epidemiology
Nephrology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,672
1,587
0.594
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :11
clinical epidemiology
observational methodology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,476
1,488
0.601
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :12
epidemiology & statistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,304
1,424
0.618
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :13
Health Research Methods
Surveillance
Health Policy
Pharmacoepidemiology
Traditional Persian
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,516
1,258
0.830
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :14
Preventive Medicine
Public Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,254
1,073
0.856
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :15
Public health
Education
Emergency
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,076
909
0.845
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :16
Epidemiology
Meta-analysis
Clinical epidemiology. Biostatistics
Study design
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
908
809
0.891
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :17
public health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,084
805
0.743
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :18
Public Health
Health Services Management
Health Policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
411
411
1.000
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :19
Disaster Medicine
Emergency Medicine
Public Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
403
316
0.784
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :20
Internal Medicine
Pathology
Public health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
281
280
0.996
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :21
Epidemiology
Research
Statistics
Inequality
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
373
268
0.718
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :22
Occupational Health
Analytical Toxicology
Risk Assessment
Nanoscience
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
244
244
1.000
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :23
epidemiology
Public Health
Data Analysis and Visualization
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
166
147
0.886
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :24
Metabolomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139
108
0.777
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :25
epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138
72
0.522
Abbas Rezaianzadeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,795
5,675
0.835
Ali Reza Safarpour
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,836
4,405
0.911
Epidemiology
Biostatistics
Mojtaba Sepandi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,310
3,103
0.937
Cancer Epidemiology
COVID-19
Mohammad Fararouei
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,542
3,072
0.867
Haleh Ghaem
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,380
2,466
0.730
Epidemiology
Mixed model
Time-dependent model
Competing risks analysis
Cohort study
Hamidreza Tabatabaee
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,907
2,036
0.521
Epidemiological and statistical modeling
GIS modeling
Reza Chaman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,136
1,933
0.616
Medicine
Public Health
Epidemiology
Hassan Joulaei
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,433
1,783
0.733
Public health
health policy
Epidemiology
Behnam Honarvar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,188
1,733
0.792
Non communicable disease
Leila Malekmakan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,672
1,587
0.594
Epidemiology
Nephrology
Jafar Hassanzadeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,476
1,488
0.601
clinical epidemiology
observational methodology
Jafar Hassanzadeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,304
1,424
0.618
epidemiology & statistics
Hossein Molavi Vardanjani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,516
1,258
0.830
Health Research Methods
Surveillance
Health Policy
Pharmacoepidemiology
Traditional Persian
Ramin Shiraly
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,254
1,073
0.856
Preventive Medicine
Public Health
Tayebeh Rakhshani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,076
909
0.845
Public health
Education
Emergency
Mohammad Ghorbani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
908
809
0.891
Epidemiology
Meta-analysis
Clinical epidemiology. Biostatistics
Study design
Mansour Kashfi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,084
805
0.743
Mohammadtaghi Mohammadpour
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
411
411
1.000
Public Health
Health Services Management
Health Policy
Mohammad Javad Moradian
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
403
316
0.784
Disaster Medicine
Emergency Medicine
Public Health
Parisa Hosseinpour
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
281
280
0.996
Internal Medicine
Pathology
Public health
Ebrahim Rahimi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
373
268
0.718
Epidemiology
Research
Statistics
Inequality
* Last 6 Years Citation Counts Rankings
Ghazal Nikaeen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
244
244
1.000
Occupational Health
Analytical Toxicology
Risk Assessment
Nanoscience
* Last 6 Years Citation Counts Rankings
Mehrdad Anvar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
166
147
0.886
epidemiology
Public Health
Data Analysis and Visualization
* Last 6 Years Citation Counts Rankings
Alireza Salehi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139
108
0.777
* Last 6 Years Citation Counts Rankings
Abdollah Haghayegh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138
72
0.522