Citation Rankings
Highly Cited Researchers

Others Highly Cited Researchers 104 Scientists Citation Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
Nigeria
Obiora Shedrack Ejiofor
Infectious diseases
Neonatology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
767
401
0.523
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Nigeria
Olisah Michael Chinedu
Clinical Chemistry
Toxicology and Nutritional Biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
657
643
0.979
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Nigeria
Oi Chiaghanam
Sedimentology
Sequence Stratigraphy and Reservoir Characterization of Niger Delta Basin and Anambra Basin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
429
248
0.578
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Nigeria
Emmanuel Onyema Iloh
General chemistry
Medicinal chemistry
Environmental/Anallytical Chemistry and Physical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
376
307
0.816
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Nigeria
Ellis I. Idemobi
national and international trade engagement
capital accumulation
foreign direct investment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
317
165
0.521
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Nigeria
Amaechi Comfort Ifeakor
Research Methodology
Educational Statistics
Measurement and Evaluation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
286
128
0.448
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Nigeria
Uzoechina Gladys
Educational Administration and Supervision and Personal Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
244
166
0.680
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Nigeria
Uche Marian Umeh
Community Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
214
187
0.874
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Nigeria
Jessie I. Chukwunulu
Monetary theory
financial management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
176
161
0.915
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Nigeria
Ezeomedo, IC
Surveying & Geoinformatics
Photogrammetry
Geomatics
Digital Mapping
Environmental Remote Sensing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
146
99
0.678
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Nigeria
Stella Ifeyinwa Mbah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138
114
0.826
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Nigeria
Kingsley Ejikeme Madu
Esoteric Sciences
Metaphysics
Energy Studies
Humanities
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
115
96
0.835
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Nigeria
Ifeyinwa Emmy-Egbe
Tropical Diseases
Ecology
Epidemiology of Infectious desases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
106
44
0.415
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Nigeria
Uchenna Okoye|Lawrence Uchenna OKOYE, Ph.D, O. OKOYE
Accounting and Finance
Energy Policy and Economics
Financial Economics
Development and Environmental Issues
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
104
88
0.846
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Nigeria
Kennedy John Offor
Intelligent Transportation System
Signal Processing
Sensor Data Fusion
Non Linear Estimation and Control
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103
55
0.534
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Nigeria
Kingsley Okechukwu İkebudu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
90
68
0.756
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Nigeria
Ndubisi Onwuanyi
Urban economics
Land economics
Property valuation and Facility management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82
68
0.829
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Nigeria
Adaobi Ifejiofor
Cognitive and Social Learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
80
63
0.788
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Nigeria
Jacinta N. Omumuabuike
Male and Female Reproductive Physiology
Environmental Physiology and Rumen Physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
70
56
0.800
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Nigeria
Ibekwe Angela Obiageli|Ibekwe A.O
banking and finance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
68
68
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Nigeria
Ezenekwe Ifeanyi|Ezenekwe, Ifeanyi E.
Actuarial Mathematics and Differential Equations
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
65
30
0.462
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Nigeria
Ugochukwu I Onyenanu
Engineering Design
Solid Mechanics and Advanced Simulation and Modelling
FEA
RSM
AI and Nanotech
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60
49
0.817
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Nigeria
Charles Munonye
Thermal comfort
low-energy building
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57
53
0.930
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Nigeria
Leo Ohazulike
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54
32
0.593
* Total Citation Counts Rankings
Rankings
780,892
Nigeria
3,580
10
Ranking Based On Selection: 1
Obiora Shedrack Ejiofor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
767
401
0.523
Infectious diseases
Neonatology
* Total Citation Counts Rankings
Rankings
833,134
Nigeria
4,451
15
Ranking Based On Selection: 2
Olisah Michael Chinedu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
657
643
0.979
Clinical Chemistry
Toxicology and Nutritional Biochemistry
* Total Citation Counts Rankings
Rankings
992,368
Nigeria
7,449
22
Ranking Based On Selection: 3
Oi Chiaghanam
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
429
248
0.578
Sedimentology
Sequence Stratigraphy and Reservoir Characterization of Niger Delta Basin and Anambra Basin
* Total Citation Counts Rankings
Rankings
1,045,317
Nigeria
8,476
29
Ranking Based On Selection: 4
Emmanuel Onyema Iloh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
376
307
0.816
General chemistry
Medicinal chemistry
Environmental/Anallytical Chemistry and Physical Chemistry
* Total Citation Counts Rankings
Rankings
1,115,497
Nigeria
9,902
40
Ranking Based On Selection: 5
Ellis I. Idemobi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
317
165
0.521
national and international trade engagement
capital accumulation
foreign direct investment
* Total Citation Counts Rankings
Rankings
1,158,808
Nigeria
10,805
45
Ranking Based On Selection: 6
Amaechi Comfort Ifeakor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
286
128
0.448
Research Methodology
Educational Statistics
Measurement and Evaluation
* Total Citation Counts Rankings
Rankings
1,226,168
Nigeria
12,252
50
Ranking Based On Selection: 7
Uzoechina Gladys
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
244
166
0.680
Educational Administration and Supervision and Personal Management
* Total Citation Counts Rankings
Rankings
1,282,281
Nigeria
13,456
58
Ranking Based On Selection: 8
Uche Marian Umeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
214
187
0.874
* Total Citation Counts Rankings
Rankings
1,366,482
Nigeria
15,253
71
Ranking Based On Selection: 9
Jessie I. Chukwunulu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
176
161
0.915
Monetary theory
financial management
* Total Citation Counts Rankings
Rankings
1,448,309
Nigeria
17,188
87
Ranking Based On Selection: 10
Ezeomedo, IC
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
146
99
0.678
Surveying & Geoinformatics
Photogrammetry
Geomatics
Digital Mapping
Environmental Remote Sensing
* Total Citation Counts Rankings
Rankings
1,471,747
Nigeria
17,747
96
Ranking Based On Selection: 11
Stella Ifeyinwa Mbah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138
114
0.826
* Total Citation Counts Rankings
Rankings
1,547,541
Nigeria
19,575
108
Ranking Based On Selection: 12
Kingsley Ejikeme Madu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
115
96
0.835
Esoteric Sciences
Metaphysics
Energy Studies
Humanities
* Total Citation Counts Rankings
Rankings
1,581,931
Nigeria
20,468
122
Ranking Based On Selection: 13
Ifeyinwa Emmy-Egbe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
106
44
0.415
Tropical Diseases
Ecology
Epidemiology of Infectious desases
* Total Citation Counts Rankings
Rankings
1,588,078
Nigeria
20,594
123
Ranking Based On Selection: 14
Uchenna Okoye|Lawrence Uchenna OKOYE, Ph.D, O. OKOYE
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
104
88
0.846
Accounting and Finance
Energy Policy and Economics
Financial Economics
Development and Environmental Issues
* Total Citation Counts Rankings
Rankings
1,593,146
Nigeria
20,727
126
Ranking Based On Selection: 15
Kennedy John Offor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103
55
0.534
Intelligent Transportation System
Signal Processing
Sensor Data Fusion
Non Linear Estimation and Control
* Total Citation Counts Rankings
Rankings
1,645,486
Nigeria
22,107
137
Ranking Based On Selection: 16
Kingsley Okechukwu İkebudu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
90
68
0.756
* Total Citation Counts Rankings
Rankings
1,680,208
Nigeria
22,984
142
Ranking Based On Selection: 17
Ndubisi Onwuanyi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82
68
0.829
Urban economics
Land economics
Property valuation and Facility management
* Total Citation Counts Rankings
Rankings
1,689,636
Nigeria
23,230
144
Ranking Based On Selection: 18
Adaobi Ifejiofor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
80
63
0.788
Cognitive and Social Learning
* Total Citation Counts Rankings
Rankings
1,706,366
Nigeria
23,708
153
Ranking Based On Selection: 19
Mycology and Plant Pathology
* Total Citation Counts Rankings
Rankings
1,737,414
Nigeria
24,529
159
Ranking Based On Selection: 20
Jacinta N. Omumuabuike
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
70
56
0.800
Male and Female Reproductive Physiology
Environmental Physiology and Rumen Physiology
* Total Citation Counts Rankings
Rankings
1,744,954
Nigeria
24,758
161
Ranking Based On Selection: 21
Ibekwe Angela Obiageli|Ibekwe A.O
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
68
68
1.000
* Total Citation Counts Rankings
Rankings
1,764,417
Nigeria
25,294
165
Ranking Based On Selection: 22
Ezenekwe Ifeanyi|Ezenekwe, Ifeanyi E.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
65
30
0.462
Actuarial Mathematics and Differential Equations
* Total Citation Counts Rankings
Rankings
1,789,669
Nigeria
26,001
171
Ranking Based On Selection: 23
Ugochukwu I Onyenanu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60
49
0.817
Engineering Design
Solid Mechanics and Advanced Simulation and Modelling
FEA
RSM
AI and Nanotech
* Total Citation Counts Rankings
Rankings
1,805,603
Nigeria
26,437
176
Ranking Based On Selection: 24
Charles Munonye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57
53
0.930
Thermal comfort
low-energy building
* Total Citation Counts Rankings
Rankings
1,825,026
Nigeria
27,048
180
Ranking Based On Selection: 25
Leo Ohazulike
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54
32
0.593
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