Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,927 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection :1
Stephen M. Kibusi Ma
Public Health Implementation Science and Impact Evaluation
Metrics
H-Index
i10 Index
Citation
21
38
1,356
* Rankings
Ranking Based On Selection :2
Deogratius Bintabara
Epidemiology
Biostatistics
Public Health and Community Medicine
Metrics
H-Index
i10 Index
Citation
15
19
761
* Rankings
Ranking Based On Selection :5
David Munisi
Neglected Tropical Parasitic Diseases
Zoonotic Parasitic Diseases
Malaria
Metrics
H-Index
i10 Index
Citation
11
12
313
* Rankings
Ranking Based On Selection :7
Walter C. Millanzi
Sexual and Reproductive Health among adolescents
Curriculum Development
Teaching Methodology
Metrics
H-Index
i10 Index
Citation
10
12
303
* Rankings
Ranking Based On Selection :9
Saada Ali Seif
Nursing
Public Health
Reproductive Health
Maternal and Child Health
Metrics
H-Index
i10 Index
Citation
8
7
207
* Rankings
Ranking Based On Selection :11
Masumbuko Y. Mwashambwa
Surgery
nephrology
transplant and vascular surgery
Metrics
H-Index
i10 Index
Citation
7
7
175
Shakilu Jumanne
Paediatrics
Paediatric Hematology/Oncology
Bone Marrow Transplantation
Metrics
H-Index
i10 Index
Citation
5
3
126
Nima Herman Shidende
Patient-Care Information Systems
Practice-Oriented Information System Research
ICT4D
ICT Research Methods
Metrics
H-Index
i10 Index
Citation
5
3
85
Matobogolo Boaz Masalu
Internal medicine
Nephrology
Cardiology
Infectious diseases
Metrics
H-Index
i10 Index
Citation
4
4
66
Veronika Berdnikova
Human physiology and pathophysiology
Stress-related disorders
Gender differences
Blood donation
Antibiotic resistance
Metrics
H-Index
i10 Index
Citation
4
4
69
Abdallah R Mlwati
Chest Diseases
Neglected Tropical Diseases
Internal Medicine
Metrics
H-Index
i10 Index
Citation
3
1
20
Frank Sandi
Ophthalmology and Community Medicine
Medical education
Cluster Randomized studies and Project Management
Metrics
H-Index
i10 Index
Citation
2
2
139
Rajabu M Kingo
Pharmacognosy
Natural Products Chemistry
Nanotechnology
Phytotherapy
Metrics
H-Index
i10 Index
Citation
2
2
23
Bankanie Vicent
Non communicable diseases
Critical care
Cardio-oncology
Emergence and Trauma
Clinical Nursing
Metrics
H-Index
i10 Index
Citation
2
1
44
Jackson Henry Katonge
Biochemistry
Microbiology
Biomedical
Hydrology
Aquatic Sciences & Conservation Biology
Metrics
H-Index
i10 Index
Citation
1
0
3
Rankings
Ranking Based On Selection: 1
Stephen M. Kibusi Ma
Metrics
H-Index
i10 Index
Citation Counts
21
38
1,356
Rankings
Ranking Based On Selection: 2
Deogratius Bintabara
Metrics
H-Index
i10 Index
Citation Counts
15
19
761
Epidemiology
Biostatistics
Public Health and Community Medicine
Rankings
Ranking Based On Selection: 3
Julius Edward Ntwenya
Metrics
H-Index
i10 Index
Citation Counts
14
17
792
Rankings
Ranking Based On Selection: 4
Asha Shabani Ripanda|Ashamansada Ripanda
Metrics
H-Index
i10 Index
Citation Counts
11
11
285
Rankings
Ranking Based On Selection: 5
David Munisi
Metrics
H-Index
i10 Index
Citation Counts
11
12
313
Neglected Tropical Parasitic Diseases
Zoonotic Parasitic Diseases
Malaria
Rankings
Ranking Based On Selection: 6
Fabiola V. Moshi
Metrics
H-Index
i10 Index
Citation Counts
10
15
434
Rankings
Ranking Based On Selection: 7
Walter C. Millanzi
Metrics
H-Index
i10 Index
Citation Counts
10
12
303
Sexual and Reproductive Health among adolescents
Curriculum Development
Teaching Methodology
Rankings
Ranking Based On Selection: 8
Azan A. Nyundo
Metrics
H-Index
i10 Index
Citation Counts
8
8
356
Rankings
Ranking Based On Selection: 9
Saada Ali Seif
Metrics
H-Index
i10 Index
Citation Counts
8
7
207
Nursing
Public Health
Reproductive Health
Maternal and Child Health
Rankings
Ranking Based On Selection: 10
James Yahaya
Metrics
H-Index
i10 Index
Citation Counts
8
6
258
Rankings
Ranking Based On Selection: 11
Masumbuko Y. Mwashambwa
Metrics
H-Index
i10 Index
Citation Counts
7
7
175
Surgery
nephrology
transplant and vascular surgery
Rankings
Ranking Based On Selection: 12
Abdalla Mtumwa
Metrics
H-Index
i10 Index
Citation Counts
7
6
219
Rankings
Ranking Based On Selection: 13
John Meda
Metrics
H-Index
i10 Index
Citation Counts
7
5
150
Rankings
Ranking Based On Selection: 14
Leonard Katalambula
Metrics
H-Index
i10 Index
Citation Counts
6
4
135
Rankings
Ranking Based On Selection: 15
Arnold Fulment
Metrics
H-Index
i10 Index
Citation Counts
6
3
129
Rankings
Ranking Based On Selection: 16
Joanes Faustine
Metrics
H-Index
i10 Index
Citation Counts
6
2
119
Rankings
Ranking Based On Selection: 17
Selestin Ngoma
Metrics
H-Index
i10 Index
Citation Counts
6
2
55
Rankings
Ranking Based On Selection: 18
Agatha Ngowi
Metrics
H-Index
i10 Index
Citation Counts
5
3
132
Rankings
Ranking Based On Selection: 19
Shakilu Jumanne
Metrics
H-Index
i10 Index
Citation Counts
5
3
126
Paediatrics
Paediatric Hematology/Oncology
Bone Marrow Transplantation
Rankings
Ranking Based On Selection: 20
Nima Herman Shidende
Metrics
H-Index
i10 Index
Citation Counts
5
3
85
Patient-Care Information Systems
Practice-Oriented Information System Research
ICT4D
ICT Research Methods
Rankings
Ranking Based On Selection: 21
Matobogolo Boaz Masalu
Metrics
H-Index
i10 Index
Citation Counts
4
4
66
Internal medicine
Nephrology
Cardiology
Infectious diseases
Rankings
Ranking Based On Selection: 22
Secilia Kapalata Ng'Weshemi
Metrics
H-Index
i10 Index
Citation Counts
4
2
72
Rankings
Ranking Based On Selection: 23
Dina Mahamba
Metrics
H-Index
i10 Index
Citation Counts
4
2
50
Rankings
Ranking Based On Selection: 24
Veronika Berdnikova
Metrics
H-Index
i10 Index
Citation Counts
4
4
69
Human physiology and pathophysiology
Stress-related disorders
Gender differences
Blood donation
Antibiotic resistance
Rankings
Ranking Based On Selection: 25
Gabriel Jackob Mchonde
Metrics
H-Index
i10 Index
Citation Counts
4
1
55
Rankings
Ranking Based On Selection: 26
Pendo Paschal Masanja
Metrics
H-Index
i10 Index
Citation Counts
3
1
44
Pediatric Health
Pediatric HIV and Nutrition
Neonatal Sepsis
Rankings
Ranking Based On Selection: 27
Marcelina Ogedjo
Metrics
H-Index
i10 Index
Citation Counts
3
1
26
Rankings
Ranking Based On Selection: 28
Abdallah R Mlwati
Metrics
H-Index
i10 Index
Citation Counts
3
1
20
Chest Diseases
Neglected Tropical Diseases
Internal Medicine
Rankings
Ranking Based On Selection: 29
Frank Sandi
Metrics
H-Index
i10 Index
Citation Counts
2
2
139
Ophthalmology and Community Medicine
Medical education
Cluster Randomized studies and Project Management
Rankings
Ranking Based On Selection: 30
Rajabu M Kingo
Metrics
H-Index
i10 Index
Citation Counts
2
2
23
Pharmacognosy
Natural Products Chemistry
Nanotechnology
Phytotherapy
Rankings
Ranking Based On Selection: 31
Bankanie Vicent
Metrics
H-Index
i10 Index
Citation Counts
2
1
44
Non communicable diseases
Critical care
Cardio-oncology
Emergence and Trauma
Clinical Nursing
Rankings
Ranking Based On Selection: 32
Mahamudu Rashidi Hussein
Metrics
H-Index
i10 Index
Citation Counts
2
1
28
Rankings
Ranking Based On Selection: 33
Rygon John Magata
Metrics
H-Index
i10 Index
Citation Counts
1
1
89
Rankings
Ranking Based On Selection: 34
Ikunda Dionis
Metrics
H-Index
i10 Index
Citation Counts
1
1
12
Rankings
Ranking Based On Selection: 35
Bago Mussa
Metrics
H-Index
i10 Index
Citation Counts
1
1
10
Rankings
Ranking Based On Selection: 36
Jacktan Josephat Ruhighira
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Rankings
Ranking Based On Selection: 37
Hamim Abdul Rusheke
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Rankings
Ranking Based On Selection: 38
Jackson Henry Katonge
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Biochemistry
Microbiology
Biomedical
Hydrology
Aquatic Sciences & Conservation Biology