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 :51
Tuberculosis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,038
14,176
0.416
* Total Citation Counts Rankings
Ranking Based On Selection :52
Biostatistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,157
11,183
0.337
* Total Citation Counts Rankings
Ranking Based On Selection :53
epidemiology
biostatistics
HIV
maternal & child health
women's health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,709
14,175
0.433
* Total Citation Counts Rankings
Ranking Based On Selection :54
Vaccines
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,600
12,820
0.393
* Total Citation Counts Rankings
Ranking Based On Selection :55
Astrophysics
Observational Optical/Infrared/Radio Galaxy Evolution
Cloud Computing
Machine Learning
Statistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,503
15,434
0.475
* Total Citation Counts Rankings
Ranking Based On Selection :56
Swarm Intelligence
Evolutionary Computation
Neural Networks
Optimization
Data Analytics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,980
11,016
0.344
* Total Citation Counts Rankings
Ranking Based On Selection :57
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,924
8,815
0.276
* Total Citation Counts Rankings
Ranking Based On Selection :58
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,401
13,359
0.425
* Total Citation Counts Rankings
Ranking Based On Selection :59
Health Sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,219
25,538
0.818
* Total Citation Counts Rankings
Ranking Based On Selection :60
Bioinformatics
Genomics
Phylogenetics
Viruses
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,940
26,045
0.842
* Total Citation Counts Rankings
Ranking Based On Selection :61
Agricultural and Rural Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,309
5,289
0.175
* Total Citation Counts Rankings
Ranking Based On Selection :62
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,941
24,483
0.818
* Total Citation Counts Rankings
Ranking Based On Selection :63
Open quantum systems
quantum information processing and communication
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,561
17,968
0.608
* Total Citation Counts Rankings
Ranking Based On Selection :64
astronomy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,395
25,310
0.861
* Total Citation Counts Rankings
Ranking Based On Selection :65
isotope geochemistry
geochronology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,360
8,085
0.275
* Total Citation Counts Rankings
Ranking Based On Selection :66
Epidemiology
Cancer Epidemiology
HPV Infection
STIs including HIV and HPV/HIV/EBV co-infection
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,339
27,716
0.945
* Total Citation Counts Rankings
Ranking Based On Selection :67
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,163
11,552
0.396
* Total Citation Counts Rankings
Ranking Based On Selection :68
Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,787
10,348
0.359
* Total Citation Counts Rankings
Ranking Based On Selection :69
Fluid Mechanics
Thermal Science
Applied Mathematics
Modelling and Computations
BioMathematics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,114
17,756
0.632
* Total Citation Counts Rankings
Ranking Based On Selection :70
Proteomics
Bioinformatics
Mass Spectrometry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,506
12,874
0.468
* Total Citation Counts Rankings
Ranking Based On Selection :71
Applied and Environmental Microbiology
Water Quality
Antimicrobial Resistance.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,444
18,871
0.688
* Total Citation Counts Rankings
Ranking Based On Selection :72
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,969
23,952
0.888
* Total Citation Counts Rankings
Ranking Based On Selection :73
point-of-care
diagnostics
testing
scoping review
implementation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,941
25,552
0.948
* Total Citation Counts Rankings
Ranking Based On Selection :74
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,919
14,988
0.557
* Total Citation Counts Rankings
Ranking Based On Selection :75
particle physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,965
9,461
0.364
Robin M Warren
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,038
14,176
0.416
Carl Lombard
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,157
11,183
0.337
Landon Myer
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,709
14,175
0.433
epidemiology
biostatistics
HIV
maternal & child health
women's health
Lynn Morris
National Institute for Communicable Diseases
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,600
12,820
0.393
Mattia Vaccari
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,503
15,434
0.475
Astrophysics
Observational Optical/Infrared/Radio Galaxy Evolution
Cloud Computing
Machine Learning
Statistics
Andries Engelbrecht
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,980
11,016
0.344
Swarm Intelligence
Evolutionary Computation
Neural Networks
Optimization
Data Analytics
Bruce Hewitson
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,924
8,815
0.276
Nelia Patricia Steyn
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,401
13,359
0.425
Tandi Matsha
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,219
25,538
0.818
Tulio De Oliveira
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,940
26,045
0.842
Bioinformatics
Genomics
Phylogenetics
Viruses
Hans P. Binswanger-Mkhize
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,309
5,289
0.175
Agricultural and Rural Development
Alisha Wade
University of the Witwatersrand
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,941
24,483
0.818
Francesco Petruccione
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,561
17,968
0.608
Open quantum systems
quantum information processing and communication
Steven Michael Crawford
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,395
25,310
0.861
Jan Kramers
University of Johannesburg
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,360
8,085
0.275
isotope geochemistry
geochronology
Themba Ginindza
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,339
27,716
0.945
Epidemiology
Cancer Epidemiology
HPV Infection
STIs including HIV and HPV/HIV/EBV co-infection
Lucy Gilson
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,163
11,552
0.396
Roy Maartens
University of the Western Cape
Bellville, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,787
10,348
0.359
OD Makinde
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,114
17,756
0.632
Fluid Mechanics
Thermal Science
Applied Mathematics
Modelling and Computations
BioMathematics
David L. Tabb
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,506
12,874
0.468
Proteomics
Bioinformatics
Mass Spectrometry
Anthony I Okoh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,444
18,871
0.688
Applied and Environmental Microbiology
Water Quality
Antimicrobial Resistance.
Ehimario U. Igumbor
University of the Western Cape
Bellville, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,969
23,952
0.888
Tivani Phosa Mashamba-Thompson
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,941
25,552
0.948
point-of-care
diagnostics
testing
scoping review
implementation
Dirk Blom
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,919
14,988
0.557
Xifeng Ruan
University of the Witwatersrand
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,965
9,461
0.364