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" (870,057 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
Prosper Obunikem Uchechukwu Adogu
EPIDEMIOLOGY of Chronic diseases
Epidemiology of infectious diseases
MCH/Adolescent epidemiology
Environmental/Pharmaco-epide
Metrics
H-Index
i10 Index
Citation
21
43
1,745
* Rankings
Ranking Based On Selection: 5
Achunam Simeon Nwabueze
Public Health
HIV Medicine
Disease Control
Health Programme Management
Environmental Health
Metrics
H-Index
i10 Index
Citation
16
19
657
* Rankings
Ranking Based On Selection: 6
Christian C. Ibeh
Health System Management
Reproductive Health
Epidemiology
Metrics
H-Index
i10 Index
Citation
16
20
831
* Rankings
Ranking Based On Selection: 10
Nkiru Nwamaka Ezeama
Epidemiology
Biostatistics
Public Health Nutrition
Reproductive Health
Programme Management
Metrics
H-Index
i10 Index
Citation
11
12
671

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Chinelo Ofomata
Public Health
Global Health
Infectious Diseases
Sexual and Reproductive Health
HIV/AIDS
Metrics
H-Index
i10 Index
Citation
2
2
132
Chidiebere Joy Nwankwo
Public Health
Environmental Health
Health Promotion and Education
Health Communication
Hygiene
Metrics
H-Index
i10 Index
Citation
2
0
13
Rankings
Ranking Based On Selection: 1
Prosper Obunikem Uchechukwu Adogu
Metrics
H-Index
i10 Index
Citation Counts
21
43
1,745
EPIDEMIOLOGY of Chronic diseases
Epidemiology of infectious diseases
MCH/Adolescent epidemiology
Environmental/Pharmaco-epide
Rankings
Ranking Based On Selection: 2
Obinna Ikechukwu Ekwunife
Metrics
H-Index
i10 Index
Citation Counts
20
38
1,479
Rankings
Ranking Based On Selection: 3
Chika Ubajaka
Metrics
H-Index
i10 Index
Citation Counts
18
27
1,043
Rankings
Ranking Based On Selection: 4
Obiageli Fidelia Emelumadu
Metrics
H-Index
i10 Index
Citation Counts
18
20
991
Rankings
Ranking Based On Selection: 5
Achunam Simeon Nwabueze
Metrics
H-Index
i10 Index
Citation Counts
16
19
657
Public Health
HIV Medicine
Disease Control
Health Programme Management
Environmental Health
Rankings
Ranking Based On Selection: 6
Christian C. Ibeh
Metrics
H-Index
i10 Index
Citation Counts
16
20
831
Rankings
Ranking Based On Selection: 7
Ifeoma Ekejindu
Metrics
H-Index
i10 Index
Citation Counts
15
20
712
Rankings
Ranking Based On Selection: 8
Chigozie O Ifeadike
Metrics
H-Index
i10 Index
Citation Counts
14
17
879
Rankings
Ranking Based On Selection: 9
Chukwudi Michael Egbuche
Metrics
H-Index
i10 Index
Citation Counts
13
17
422
Rankings
Ranking Based On Selection: 10
Nkiru Nwamaka Ezeama
Metrics
H-Index
i10 Index
Citation Counts
11
12
671
Epidemiology
Biostatistics
Public Health Nutrition
Reproductive Health
Programme Management

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 14
Chinelo Ofomata
Metrics
H-Index
i10 Index
Citation Counts
2
2
132
Public Health
Global Health
Infectious Diseases
Sexual and Reproductive Health
HIV/AIDS
Rankings
Ranking Based On Selection: 15
Okonkwo Victor Okechukwu
Metrics
H-Index
i10 Index
Citation Counts
2
0
16
Rankings
Ranking Based On Selection: 16
Chidiebere Joy Nwankwo
Metrics
H-Index
i10 Index
Citation Counts
2
0
13
Public Health
Environmental Health
Health Promotion and Education
Health Communication
Hygiene