Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
1,778,996
Country Rank
14,177
Institution Rank : 1,099
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Fidelis Udo](https://cdn.adscientificindex.com/pictures/1f/5090284.jpg)
Climate change adaptation
gender
identity
urban diversity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
29
1.000
* Total Citation Counts Rankings
World Rank
1,780,447
Country Rank
14,183
Institution Rank : 1,100
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![C Mosima](/user/assets/images/profile/no-profile-photo.png)
Town Planning
Spatial Planning
Spatial Analysis
Land Use/cover change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
29
1.000
* Total Citation Counts Rankings
World Rank
1,780,447
Country Rank
14,183
Institution Rank : 1,100
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Loyiso Maciko](https://cdn.adscientificindex.com/pictures/cf/5836020.jpg)
Learning Analytics
Economics
Financial Inclusion
Comprehensive social security
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
29
1.000
* Total Citation Counts Rankings
World Rank
1,781,277
Country Rank
14,196
Institution Rank : 1,102
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Wandile Siyabonga Dube](/user/assets/images/profile/no-profile-photo.png)
community
anthropology theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
29
1.000
* Total Citation Counts Rankings
World Rank
1,781,681
Country Rank
14,198
Institution Rank : 1,103
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Onyekachi Esther Nwoko](https://cdn.adscientificindex.com/pictures/3e/5836019.jpg)
Biostatistics
Public Health
Climate Change
Neglected Tropical Diseases
Vector-Borne Diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
29
1.000
* Total Citation Counts Rankings
World Rank
1,782,984
Country Rank
14,207
Institution Rank : 1,104
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Juan Jansen Van Vuuren](/user/assets/images/profile/no-profile-photo.png)
Critical Care
Internal Medicine
Neurology
Neuroradiology
Biostatistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
28
0.966
* Total Citation Counts Rankings
World Rank
1,785,229
Country Rank
14,237
Institution Rank : 1,105
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Ali Alhafiz Mohammed](/pictures/a2/5062706.jpg)
Chemical Engineering
Process intensification
mass transfer
chemical reaction engineering.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
21
0.724
* Total Citation Counts Rankings
World Rank
1,786,006
Country Rank
14,248
Institution Rank : 1,106
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Sipho Mfolozi](/user/assets/images/profile/no-profile-photo.png)
Forensic pathology
death-time estimation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
17
0.586
* Total Citation Counts Rankings
World Rank
1,791,003
Country Rank
14,282
Institution Rank : 1,107
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Marvellous Ngundu](/user/assets/images/profile/no-profile-photo.png)
International and development economics
with a primary focus on China-Africa economic relations
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28
28
1.000
* Total Citation Counts Rankings
World Rank
1,795,047
Country Rank
14,328
Institution Rank : 1,108
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Samson O Ojako](/user/assets/images/profile/no-profile-photo.png)
Graph theory (Energy of Graphs)
General Relativity
Conformal Symmetry
Massless scalar field Gravitational collapse
Killing Ve
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28
17
0.607
* Total Citation Counts Rankings
World Rank
1,797,182
Country Rank
14,346
Institution Rank : 1,109
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Free-Queen Bongiwe Zulu](/user/assets/images/profile/no-profile-photo.png)
• Teacher Education and Professional Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
* Total Citation Counts Rankings
World Rank
1,798,490
Country Rank
14,361
Institution Rank : 1,110
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Abdallah Y. A Ahmed](https://cdn.adscientificindex.com/pictures/04/5836026.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
* Total Citation Counts Rankings
World Rank
1,798,490
Country Rank
14,361
Institution Rank : 1,110
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Tusiwe](/user/assets/images/profile/no-profile-photo.png)
Patient Safety
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
* Total Citation Counts Rankings
World Rank
1,799,461
Country Rank
14,370
Institution Rank : 1,112
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Lj Makhaola](/user/assets/images/profile/no-profile-photo.png)
tourism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
* Total Citation Counts Rankings
World Rank
1,800,731
Country Rank
14,381
Institution Rank : 1,113
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Silingene Ngcobo|Silingene Joyce Ngcobo](https://cdn.adscientificindex.com/pictures/a1/5836024.jpg)
HIV care
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
26
0.963
* Total Citation Counts Rankings
World Rank
1,801,378
Country Rank
14,389
Institution Rank : 1,114
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Sicelo Ziphozonke Ntshangase](/user/assets/images/profile/no-profile-photo.png)
Languages
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
26
0.963
* Total Citation Counts Rankings
World Rank
1,801,616
Country Rank
14,391
Institution Rank : 1,115
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Nomthandazo Samantha Manqele](/user/assets/images/profile/no-profile-photo.png)
Biodiversity conservation
ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
25
0.926
* Total Citation Counts Rankings
World Rank
1,801,616
Country Rank
14,391
Institution Rank : 1,115
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Phiwe Babalo Nota](/user/assets/images/profile/no-profile-photo.png)
Sexual and reproductive health
HIV & AIDS research
Health Systems Strengthening
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
25
0.926
* Total Citation Counts Rankings
World Rank
1,802,492
Country Rank
14,402
Institution Rank : 1,117
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Zama Goqo](/user/assets/images/profile/no-profile-photo.png)
Renewable Energy Technologies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
23
0.852
* Total Citation Counts Rankings
World Rank
1,804,078
Country Rank
14,421
Institution Rank : 1,118
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Marco Mariola](/user/assets/images/profile/no-profile-photo.png)
quantum cryptography
tracking system
energy harvesting
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
18
0.667
* Total Citation Counts Rankings
World Rank
1,804,829
Country Rank
14,430
Institution Rank : 1,119
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Gugulethu Brightness Mazibuko](https://cdn.adscientificindex.com/pictures/d1/5836025.jpg)
Culture and Traditions
Literature
Onomastics
Lexicography and Terminology Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
14
0.519
* Total Citation Counts Rankings
World Rank
1,806,404
Country Rank
14,447
Institution Rank : 1,120
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Olusola Olawale Olarewaju](/pictures/31/5214684.jpg)
Accounting
Finance
Business Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26
26
1.000
* Total Citation Counts Rankings
World Rank
1,807,717
Country Rank
14,458
Institution Rank : 1,121
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Sahejna Bantho](/user/assets/images/profile/no-profile-photo.png)
Cellular biology
Medicinal plant research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26
26
1.000
* Total Citation Counts Rankings
World Rank
1,810,630
Country Rank
14,492
Institution Rank : 1,122
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Nomalizo Florence Dyili Csca](/pictures/b6/5272854.jpg)
Supply chain management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26
25
0.962
* Total Citation Counts Rankings
World Rank
1,810,630
Country Rank
14,492
Institution Rank : 1,122
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Banji-Onisile Folasade](/user/assets/images/profile/no-profile-photo.png)
Drug discovery
Antimicrobial resistance
Natural products research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26
25
0.962
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,778,996
![South Africa](/flags/za.png)
14,177
![](https://cdn.adscientificindex.com/logos/11125.png)
1,099
Fidelis Udo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
29
1.000
![](https://cdn.adscientificindex.com/logos/11125.png)
Climate change adaptation
gender
identity
urban diversity
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,780,447
![South Africa](/flags/za.png)
14,183
![](https://cdn.adscientificindex.com/logos/11125.png)
1,100
C Mosima
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
29
1.000
![](https://cdn.adscientificindex.com/logos/11125.png)
Town Planning
Spatial Planning
Spatial Analysis
Land Use/cover change
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,780,447
![South Africa](/flags/za.png)
14,183
![](https://cdn.adscientificindex.com/logos/11125.png)
1,100
Loyiso Maciko
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
29
1.000
![](https://cdn.adscientificindex.com/logos/11125.png)
Learning Analytics
Economics
Financial Inclusion
Comprehensive social security
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,781,277
![South Africa](/flags/za.png)
14,196
![](https://cdn.adscientificindex.com/logos/11125.png)
1,102
Wandile Siyabonga Dube
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
29
1.000
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,781,681
![South Africa](/flags/za.png)
14,198
![](https://cdn.adscientificindex.com/logos/11125.png)
1,103
Onyekachi Esther Nwoko
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
29
1.000
![](https://cdn.adscientificindex.com/logos/11125.png)
Biostatistics
Public Health
Climate Change
Neglected Tropical Diseases
Vector-Borne Diseases
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,782,984
![South Africa](/flags/za.png)
14,207
![](https://cdn.adscientificindex.com/logos/11125.png)
1,104
Juan Jansen Van Vuuren
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
28
0.966
![](https://cdn.adscientificindex.com/logos/11125.png)
Critical Care
Internal Medicine
Neurology
Neuroradiology
Biostatistics
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,785,229
![South Africa](/flags/za.png)
14,237
![](https://cdn.adscientificindex.com/logos/11125.png)
1,105
Ali Alhafiz Mohammed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
21
0.724
![](https://cdn.adscientificindex.com/logos/11125.png)
Chemical Engineering
Process intensification
mass transfer
chemical reaction engineering.
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,786,006
![South Africa](/flags/za.png)
14,248
![](https://cdn.adscientificindex.com/logos/11125.png)
1,106
Sipho Mfolozi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
17
0.586
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,791,003
![South Africa](/flags/za.png)
14,282
![](https://cdn.adscientificindex.com/logos/11125.png)
1,107
Marvellous Ngundu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28
28
1.000
![](https://cdn.adscientificindex.com/logos/11125.png)
International and development economics
with a primary focus on China-Africa economic relations
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,795,047
![South Africa](/flags/za.png)
14,328
![](https://cdn.adscientificindex.com/logos/11125.png)
1,108
Samson O Ojako
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28
17
0.607
![](https://cdn.adscientificindex.com/logos/11125.png)
Graph theory (Energy of Graphs)
General Relativity
Conformal Symmetry
Massless scalar field Gravitational collapse
Killing Ve
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* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,797,182
![South Africa](/flags/za.png)
14,346
![](https://cdn.adscientificindex.com/logos/11125.png)
1,109
Free-Queen Bongiwe Zulu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
![](https://cdn.adscientificindex.com/logos/11125.png)
• Teacher Education and Professional Development
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,798,490
![South Africa](/flags/za.png)
14,361
![](https://cdn.adscientificindex.com/logos/11125.png)
1,110
Abdallah Y. A Ahmed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,798,490
![South Africa](/flags/za.png)
14,361
![](https://cdn.adscientificindex.com/logos/11125.png)
1,110
Tusiwe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,799,461
![South Africa](/flags/za.png)
14,370
![](https://cdn.adscientificindex.com/logos/11125.png)
1,112
Lj Makhaola
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,800,731
![South Africa](/flags/za.png)
14,381
![](https://cdn.adscientificindex.com/logos/11125.png)
1,113
Silingene Ngcobo|Silingene Joyce Ngcobo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
26
0.963
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,801,378
![South Africa](/flags/za.png)
14,389
![](https://cdn.adscientificindex.com/logos/11125.png)
1,114
Sicelo Ziphozonke Ntshangase
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
26
0.963
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,801,616
![South Africa](/flags/za.png)
14,391
![](https://cdn.adscientificindex.com/logos/11125.png)
1,115
Nomthandazo Samantha Manqele
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
25
0.926
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,801,616
![South Africa](/flags/za.png)
14,391
![](https://cdn.adscientificindex.com/logos/11125.png)
1,115
Phiwe Babalo Nota
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
25
0.926
![](https://cdn.adscientificindex.com/logos/11125.png)
Sexual and reproductive health
HIV & AIDS research
Health Systems Strengthening
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,802,492
![South Africa](/flags/za.png)
14,402
![](https://cdn.adscientificindex.com/logos/11125.png)
1,117
Zama Goqo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
23
0.852
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,804,078
![South Africa](/flags/za.png)
14,421
![](https://cdn.adscientificindex.com/logos/11125.png)
1,118
Marco Mariola
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
18
0.667
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,804,829
![South Africa](/flags/za.png)
14,430
![](https://cdn.adscientificindex.com/logos/11125.png)
1,119
Gugulethu Brightness Mazibuko
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
14
0.519
![](https://cdn.adscientificindex.com/logos/11125.png)
Culture and Traditions
Literature
Onomastics
Lexicography and Terminology Development
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,806,404
![South Africa](/flags/za.png)
14,447
![](https://cdn.adscientificindex.com/logos/11125.png)
1,120
Olusola Olawale Olarewaju
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26
26
1.000
![](https://cdn.adscientificindex.com/logos/11125.png)
Accounting
Finance
Business Management
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,807,717
![South Africa](/flags/za.png)
14,458
![](https://cdn.adscientificindex.com/logos/11125.png)
1,121
Sahejna Bantho
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26
26
1.000
![](https://cdn.adscientificindex.com/logos/11125.png)
Cellular biology
Medicinal plant research
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,810,630
![South Africa](/flags/za.png)
14,492
![](https://cdn.adscientificindex.com/logos/11125.png)
1,122
Nomalizo Florence Dyili Csca
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26
25
0.962
![](https://cdn.adscientificindex.com/logos/11125.png)
Supply chain management
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,810,630
![South Africa](/flags/za.png)
14,492
![](https://cdn.adscientificindex.com/logos/11125.png)
1,122
Banji-Onisile Folasade
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26
25
0.962
![](https://cdn.adscientificindex.com/logos/11125.png)
Drug discovery
Antimicrobial resistance
Natural products research