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" (870,053 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: 2
Samuel C Meludu
Mineral metabolism
exercise physiology and general clinical biochemistry
Metrics
H-Index
i10 Index
Citation
16
32
1,097
* Rankings
Ranking Based On Selection: 3
Henrietta A Ogbunugafor
Medicinal plants
Functional foods
Chronic diseases
Metrics
H-Index
i10 Index
Citation
14
17
1,036
* Rankings
Ranking Based On Selection: 4
Stanley Chidi Udedi
Enzymology
Biochemical& Molecular Nutrition
Biotechnology and Natural Products chemistry
Metrics
H-Index
i10 Index
Citation
14
17
599
* Rankings
Ranking Based On Selection: 6
Okwara John Ekenedirichukwu
Chemical Pathology
Nutrition
Neonatal and Perinatal Biochemistry
Metrics
H-Index
i10 Index
Citation
11
14
355
* Rankings
Ranking Based On Selection: 7
HCC Maduka
Biochemical Toxicology
Microbial Biochemistry
Biochemical Parasitology
Ecotoxicology
Natural Products.
Metrics
H-Index
i10 Index
Citation
11
12
443

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Rankings
Ranking Based On Selection: 1
Ugwu Chidiebere E
Metrics
H-Index
i10 Index
Citation Counts
21
32
1,363
Rankings
Ranking Based On Selection: 2
Samuel C Meludu
Metrics
H-Index
i10 Index
Citation Counts
16
32
1,097
Mineral metabolism
exercise physiology and general clinical biochemistry
Rankings
Ranking Based On Selection: 3
Henrietta A Ogbunugafor
Metrics
H-Index
i10 Index
Citation Counts
14
17
1,036
Medicinal plants
Functional foods
Chronic diseases
Rankings
Ranking Based On Selection: 4
Stanley Chidi Udedi
Metrics
H-Index
i10 Index
Citation Counts
14
17
599
Enzymology
Biochemical& Molecular Nutrition
Biotechnology and Natural Products chemistry
Rankings
Ranking Based On Selection: 5
FC Ezeonu
Metrics
H-Index
i10 Index
Citation Counts
12
17
707
Rankings
Ranking Based On Selection: 6
Okwara John Ekenedirichukwu
Metrics
H-Index
i10 Index
Citation Counts
11
14
355
Chemical Pathology
Nutrition
Neonatal and Perinatal Biochemistry
Rankings
Ranking Based On Selection: 7
HCC Maduka
Metrics
H-Index
i10 Index
Citation Counts
11
12
443
Biochemical Toxicology
Microbial Biochemistry
Biochemical Parasitology
Ecotoxicology
Natural Products.
Rankings
Ranking Based On Selection: 8
Stephen Monday Suru
Metrics
H-Index
i10 Index
Citation Counts
10
10
769
Rankings
Ranking Based On Selection: 9
Patrick O. Manafa
Metrics
H-Index
i10 Index
Citation Counts
9
9
285
Rankings
Ranking Based On Selection: 10
Dike Charles
Metrics
H-Index
i10 Index
Citation Counts
9
8
286

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Rankings
Ranking Based On Selection: 11
Benedette Azuka Anajekwu
Metrics
H-Index
i10 Index
Citation Counts
7
5
89
Rankings
Ranking Based On Selection: 12
Asogwa Kingsley Kelechi
Metrics
H-Index
i10 Index
Citation Counts
6
2
91
Antioxidants
Nutrition
Enzymology
Medical Biochemistry
Rankings
Ranking Based On Selection: 13
Medical Biochemistry Pharmacology
Nutrition and Toxicology
Rankings
Ranking Based On Selection: 14
Chijioke Ezenwelu
Metrics
H-Index
i10 Index
Citation Counts
6
5
216
Rankings
Ranking Based On Selection: 15
Oguazu Chinenye Enoch
Metrics
H-Index
i10 Index
Citation Counts
5
4
109
Rankings
Ranking Based On Selection: 16
Uchechukwu Chibuzo Ogbodo
Metrics
H-Index
i10 Index
Citation Counts
5
3
100
Rankings
Ranking Based On Selection: 17
Okeke Chisom Miracle
Metrics
H-Index
i10 Index
Citation Counts
2
0
6
Rankings
Ranking Based On Selection: 18
Anizoba Gabriel Chigozie
Metrics
H-Index
i10 Index
Citation Counts
1
1
22
Rankings
Ranking Based On Selection: 19
Chisom Amatu Sydney
Metrics
H-Index
i10 Index
Citation Counts
1
0
4