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
* Total Citation Counts Rankings
Ranking Based On Selection :101
Orthopaedics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,608
3,254
0.902
* Total Citation Counts Rankings
Ranking Based On Selection :102
Chemical thermodynamics
separation technology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,582
1,773
0.495
* Total Citation Counts Rankings
Ranking Based On Selection :103
Biotechnology
Microbiology
Wastewater
Biosensors
Xylanases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,550
1,679
0.473
* Total Citation Counts Rankings
Ranking Based On Selection :104
Construction health and safety
HIV and AIDS
Construction Education
Older workers
women in construction
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,510
1,837
0.523
* Total Citation Counts Rankings
Ranking Based On Selection :105
Clinical & Diagnostic Virology
Immunology
Drug Discovery
Nanotechnology
Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,422
2,539
0.742
* Total Citation Counts Rankings
Ranking Based On Selection :106
Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,400
1,381
0.406
* Total Citation Counts Rankings
Ranking Based On Selection :107
Plant antioxidants/postharvest fruit biology and biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,386
2,874
0.849
* Total Citation Counts Rankings
Ranking Based On Selection :108
Computer Vision
Medical Image Analysis
Machine Learning
Image Processing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,373
3,071
0.910
* Total Citation Counts Rankings
Ranking Based On Selection :109
Organic Chemistry
Bio-organic Chemistry
Pharmaceutical Chemistry and Drug Design
Biosensors
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,354
2,668
0.795
* Total Citation Counts Rankings
Ranking Based On Selection :110
Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,244
960
0.296
* Total Citation Counts Rankings
Ranking Based On Selection :111
urban political
migration
human rights
megaevents
diaspora
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,209
1,460
0.455
* Total Citation Counts Rankings
Ranking Based On Selection :112
Women's health / Maternal health / HIV and reproductive health matters
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,200
2,764
0.864
* Total Citation Counts Rankings
Ranking Based On Selection :113
Higher education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,198
1,526
0.477
* Total Citation Counts Rankings
Ranking Based On Selection :114
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,152
1,214
0.385
* Total Citation Counts Rankings
Ranking Based On Selection :115
Criminology
Sociology
Anthropology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,128
1,377
0.440
* Total Citation Counts Rankings
Ranking Based On Selection :116
Plant Systematics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,051
828
0.271
* Total Citation Counts Rankings
Ranking Based On Selection :117
HIV
AIDS
Health
Economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,033
1,986
0.655
* Total Citation Counts Rankings
Ranking Based On Selection :118
Genetics
science education
medical education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,025
1,954
0.646
* Total Citation Counts Rankings
Ranking Based On Selection :119
General anaesthesia
obstetric anaesthetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,022
445
0.147
* Total Citation Counts Rankings
Ranking Based On Selection :120
Evolutionary biology
systematics
botany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,018
1,596
0.529
* Total Citation Counts Rankings
Ranking Based On Selection :121
marine pelagic ecology
climate change adaptation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,998
2,403
0.802
* Total Citation Counts Rankings
Ranking Based On Selection :122
photodynamic therapy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,954
2,034
0.689
* Total Citation Counts Rankings
Ranking Based On Selection :123
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,890
1,710
0.592
* Total Citation Counts Rankings
Ranking Based On Selection :124
Health systems
HIV and AIDS
Community Care
Nursing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,872
2,224
0.774
* Total Citation Counts Rankings
Ranking Based On Selection :125
General Relativity
Cosmology
Astrophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,845
1,354
0.476
Leonard Marais
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,608
3,254
0.902
Paramespri Naidoo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,582
1,773
0.495
Chemical thermodynamics
separation technology
Balakrishna Pillay
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,550
1,679
0.473
Biotechnology
Microbiology
Wastewater
Biosensors
Xylanases
Theodore C Haupt|Theo C Haupt, TC Haupt, T Haupt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,510
1,837
0.523
Construction health and safety
HIV and AIDS
Construction Education
Older workers
women in construction
Raveen Parboosing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,422
2,539
0.742
Clinical & Diagnostic Virology
Immunology
Drug Discovery
Nanotechnology
Epidemiology
Stefan Schmidt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,400
1,381
0.406
Samson Zeray Tesfay
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,386
2,874
0.849
Plant antioxidants/postharvest fruit biology and biochemistry
Serestina Viriri
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,373
3,071
0.910
Computer Vision
Medical Image Analysis
Machine Learning
Image Processing
Rajshekhar Karpoormath
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,354
2,668
0.795
Organic Chemistry
Bio-organic Chemistry
Pharmaceutical Chemistry and Drug Design
Biosensors
Richard Hift
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,244
960
0.296
Brij Maharaj
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,209
1,460
0.455
urban political
migration
human rights
megaevents
diaspora
Tshidi Habile (HM Sebitloane)|Hannah Motshedisi Sebitloane-Habile
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,200
2,764
0.864
Women's health / Maternal health / HIV and reproductive health matters
Saleem Badat
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,198
1,526
0.477
Pranitha Maharaj
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,152
1,214
0.385
Shanta B Singh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,128
1,377
0.440
Benny Bytebier
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,051
828
0.271
Gavin George
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,033
1,986
0.655
Colleen Aldous
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,025
1,954
0.646
Genetics
science education
medical education
C. Rout
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,022
445
0.147
General anaesthesia
obstetric anaesthetics
Timo Van Der Niet
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,018
1,596
0.529
Evolutionary biology
systematics
botany
Sean O'donoghue
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,998
2,403
0.802
marine pelagic ecology
climate change adaptation
Sandile Songca
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,954
2,034
0.689
Fraser Pirie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,890
1,710
0.592
Busi Ncama
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,872
2,224
0.774
Health systems
HIV and AIDS
Community Care
Nursing
Rituparno Goswami
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,845
1,354
0.476