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 rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,279 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 1
Samuel C Ugbolue|Samuel C. Ugbolue
process-structure-property relationships of polymerics
polymer physics
textile engineerin
Metrics
 
H-Index
i10 Index
Citation
23
29
2,035
* Rankings
Ranking Based On Selection: 2
Rita Erhovwo Ako|Rita Erhovwo Ochuko
Artificial intelligence
Cyber security
Computer science and Risk managemen
Metrics
 
H-Index
i10 Index
Citation
15
19
403
* Rankings
Ranking Based On Selection: 3
Anyim Okereke Wisdom
Digital Libraries
Digital Resources
Information Retrieval
AI
Management Control Syste
Metrics
 
H-Index
i10 Index
Citation
13
17
521
* Rankings
Ranking Based On Selection: 4
OSUVWE CLEMENT ORORORO
Environmental Biochemistry
toxicology and biotechnolog
Metrics
 
H-Index
i10 Index
Citation
10
11
304
Christopher A. Idibie
Ionic membranes for fuel cell
Alternative sources of energy
Process science chemistry
Phytochemi
Metrics
 
H-Index
i10 Index
Citation
9
8
217
Sunday Otuya
Financial Reporting. Taxation. Computerized Accounting. Finance and Accounting Research
Metrics
 
H-Index
i10 Index
Citation
8
8
305
Ifeoma Anestina Agboje
Development Economics
Welfare Economics and Resource Economic
Metrics
 
H-Index
i10 Index
Citation
6
2
157
* Rankings
Ranking Based On Selection: 16
Juliet Ugbeyide
Pollution studies
aquatic toxicology
fisheries management
environmental biology/management
fish biology and aquaculture
Metrics
 
H-Index
i10 Index
Citation
3
1
21
* Rankings
Ranking Based On Selection: 17
Ebehi Onome OVIOJIE
Hydro Biology
Environmental Quality Management
pollution control and Environmental Toxicology
Health
Safety and Environment
Metrics
 
H-Index
i10 Index
Citation
3
2
40
* Rankings
Ranking Based On Selection: 18
Anthony Ojarikre
Stylistics
Discourse Analysis
English as a Second Language
African Poetry& Creative Writin
Metrics
 
H-Index
i10 Index
Citation
3
1
26
* Rankings
Ranking Based On Selection: 19
Juliana Okoh
Dramatic Theory and Criticism
Gender and Cultural Studies
Comparative Literatur
Metrics
 
H-Index
i10 Index
Citation
3
0
25
* Rankings
Ranking Based On Selection: 21
Christopher Ejiofor
Machine Learning
Software Engineering
Computer Applicatio
Metrics
 
H-Index
i10 Index
Citation
2
0
16
* Rankings
Ranking Based On Selection: 22
Ibru Famous Okpako
Comparative Politics International Relations Political Methodolog
Metrics
 
H-Index
i10 Index
Citation
2
0
8
* Rankings
Ranking Based On Selection: 23
David Oboro
International Economics
Energy Economics
Monetary Economics and Environmental Economic
Metrics
 
H-Index
i10 Index
Citation
2
0
6
* Rankings
Ranking Based On Selection: 25
Jumbo Evans|E.F.JUMBO
Artificial intelligent
Cyber Securit
Metrics
 
H-Index
i10 Index
Citation
1
1
39
Rankings
Ranking Based On Selection: 1
Samuel C Ugbolue|Samuel C. Ugbolue
Metrics
 
H-Index
i10 Index
Citation Counts
23
29
2,035
process-structure-property relationships of polymerics
polymer physics
textile engineerin
Rankings
Ranking Based On Selection: 2
Rita Erhovwo Ako|Rita Erhovwo Ochuko
Metrics
 
H-Index
i10 Index
Citation Counts
15
19
403
Artificial intelligence
Cyber security
Computer science and Risk managemen
Rankings
Ranking Based On Selection: 3
Anyim Okereke Wisdom
Metrics
 
H-Index
i10 Index
Citation Counts
13
17
521
Digital Libraries
Digital Resources
Information Retrieval
AI
Management Control Syste
Rankings
Ranking Based On Selection: 4
OSUVWE CLEMENT ORORORO
Metrics
 
H-Index
i10 Index
Citation Counts
10
11
304
Environmental Biochemistry
toxicology and biotechnolog
Rankings
Ranking Based On Selection: 5
Christopher A. Idibie
Metrics
 
H-Index
i10 Index
Citation Counts
9
8
217
Ionic membranes for fuel cell
Alternative sources of energy
Process science chemistry
Phytochemi
Rankings
Ranking Based On Selection: 6
Sunday Otuya
Metrics
 
H-Index
i10 Index
Citation Counts
8
8
305
Financial Reporting. Taxation. Computerized Accounting. Finance and Accounting Research
Rankings
Ranking Based On Selection: 7
Okpako Abugor Ejaita|A.E., Okpako, Okpako, A.E, E.A Okpako
Metrics
 
H-Index
i10 Index
Citation Counts
8
7
176
Artificial Intelligence
Machine Learning
Big Data
Cybersecurit
Rankings
Ranking Based On Selection: 8
Okoronkwo Kennedy Ahamefula
Metrics
 
H-Index
i10 Index
Citation Counts
6
6
268
Rankings
Ranking Based On Selection: 9
Ifeoma Anestina Agboje
Metrics
 
H-Index
i10 Index
Citation Counts
6
2
157
Development Economics
Welfare Economics and Resource Economic
Rankings
Ranking Based On Selection: 10
Apollos Emerah
Metrics
 
H-Index
i10 Index
Citation Counts
6
4
113
Rankings
Ranking Based On Selection: 11
Godwin Ofeimun
Metrics
 
H-Index
i10 Index
Citation Counts
5
3
170
Rankings
Ranking Based On Selection: 12
Poro Clark
Metrics
 
H-Index
i10 Index
Citation Counts
4
2
60
Rankings
Ranking Based On Selection: 13
Franklin Ochuko Obazu
Metrics
 
H-Index
i10 Index
Citation Counts
4
4
162
Rankings
Ranking Based On Selection: 14
Michael Akpovbera Onodje
Metrics
 
H-Index
i10 Index
Citation Counts
4
3
83
Rankings
Ranking Based On Selection: 15
Isalar Oluwatoyin Funmilayo
Metrics
 
H-Index
i10 Index
Citation Counts
3
1
34
Mycology
Plant Pathology and Fungal Biotechnolog
Rankings
Ranking Based On Selection: 16
Juliet Ugbeyide
Metrics
 
H-Index
i10 Index
Citation Counts
3
1
21
Pollution studies
aquatic toxicology
fisheries management
environmental biology/management
fish biology and aquaculture
Rankings
Ranking Based On Selection: 17
Ebehi Onome OVIOJIE
Metrics
 
H-Index
i10 Index
Citation Counts
3
2
40
Hydro Biology
Environmental Quality Management
pollution control and Environmental Toxicology
Health
Safety and Environment
Rankings
Ranking Based On Selection: 18
Anthony Ojarikre
Metrics
 
H-Index
i10 Index
Citation Counts
3
1
26
Stylistics
Discourse Analysis
English as a Second Language
African Poetry& Creative Writin
Rankings
Ranking Based On Selection: 19
Juliana Okoh
Metrics
 
H-Index
i10 Index
Citation Counts
3
0
25
Dramatic Theory and Criticism
Gender and Cultural Studies
Comparative Literatur
Rankings
Ranking Based On Selection: 20
Eginiwin Joseph Ese
Metrics
 
H-Index
i10 Index
Citation Counts
2
2
79
Rankings
Ranking Based On Selection: 21
Christopher Ejiofor
Metrics
 
H-Index
i10 Index
Citation Counts
2
0
16
Machine Learning
Software Engineering
Computer Applicatio
Rankings
Ranking Based On Selection: 22
Ibru Famous Okpako
Metrics
 
H-Index
i10 Index
Citation Counts
2
0
8
Comparative Politics International Relations Political Methodolog
Rankings
Ranking Based On Selection: 23
David Oboro
Metrics
 
H-Index
i10 Index
Citation Counts
2
0
6
International Economics
Energy Economics
Monetary Economics and Environmental Economic
Rankings
Ranking Based On Selection: 24
Nkiru Doris Onyemachi
Metrics
 
H-Index
i10 Index
Citation Counts
2
1
30
Rankings
Ranking Based On Selection: 25
Jumbo Evans|E.F.JUMBO
Metrics
 
H-Index
i10 Index
Citation Counts
1
1
39
Artificial intelligent
Cyber Securit