Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 263 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
Aghadi Ifeanyi Kene
Anaesthesia
Critical care and neuro anesthesia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,432
2,282
0.938
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Nigeria
Yahaya Shagaiya Daniel
Fluid mechanics
Heat and mass transfer
Numerical Analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,911
1,504
0.787
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Nigeria
Ugya Ay
Plant stress
Microalgae biofilm
Ecotoxicology
Bioprospecting
Green chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,290
1,055
0.818
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Nigeria
I. Gerarh Umaru
Economic valuation
renewable energy
climate change
urban renewal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,149
1,106
0.963
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Nigeria
Jamila Lawal
Otolarygology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
766
766
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Nigeria
Abdullah Abba
Internal Medicine
Pulmonogy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
760
209
0.275
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Nigeria
Isah Idris
Metabolic Medicine
Reproductive endocrinology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
733
436
0.595
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Nigeria
Muhammed Tanko
Taxation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
699
366
0.524
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Nigeria
Bashiru Kayode Sodipo
Nanotechnology
Sonochemistry
High Intensity Focused ultrasound (HIFU)
Medical physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
696
501
0.720

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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Nigeria
Kabiru Salisu
Orthopaedics and Traumatology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
656
656
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Nigeria
Jaafaru Sani Mohammed
Med. Biotechnology
Neuroscience
Oncology
Metabolic Diseases.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
640
578
0.903
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Nigeria
Bulus Timothy
Parasite Biochemistry
DNA Vaccine
Biotechnology
Tropical Diseases
Molecular Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
620
220
0.355
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Nigeria
Hauwa Mohammed Mustafa
Phytoremediation of wastewater treatment
material science
machine learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
616
601
0.976
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Nigeria
Yusuf Zuntu Abdullahi
Condensed Matter Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
600
514
0.857
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Nigeria
Mustapha Abdullahi
Physical and Theoretical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
571
565
0.989
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Nigeria
Cyprian Alphonsus
Animal Genetics and breeding
animal reproductive physiology
molecular genetics and biotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
558
304
0.545
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Nigeria
Timothy, Micah
Toxicology
malariology
drug development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
554
328
0.592
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Nigeria
Zakari Ladan
Organic chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
551
279
0.506
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Nigeria
Yohanna Tella
Multiset theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
501
226
0.451
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Nigeria
Husain Yahya
Internal Medicine
Dermatology
Gastroenterology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
457
187
0.409
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Nigeria
Igwe James Chibueze
Pharmaceutical Microbiology and Biotechnology
Biosecurity
Biosafety
Infectious Diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
443
235
0.530
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Nigeria
Idris Abdulrahman
microbial ecology
marine ecology
biofouling
secondary metabolites
antimicrobial Antifouling and antibiofilm agents
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
442
307
0.695
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Nigeria
Abdulwase Ibrahim
clinical pharmacy and public health specialist
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
430
283
0.658
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Nigeria
Oshiozokhai Eboetse Yama
Medical Education
Medical Embryology
Reproductive Endocrinology
Clinical Anatomy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
414
172
0.415
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Nigeria
Peter Waziri
Medicinal Chemistry
Cancer Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
411
298
0.725
* Total Citation Counts Rankings
Rankings
388,131
Nigeria
603
1
Ranking Based On Selection: 1
Aghadi Ifeanyi Kene
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,432
2,282
0.938
* Total Citation Counts Rankings
Rankings
462,701
Nigeria
881
2
Ranking Based On Selection: 2
Yahaya Shagaiya Daniel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,911
1,504
0.787
Fluid mechanics
Heat and mass transfer
Numerical Analysis
* Total Citation Counts Rankings
Rankings
595,692
Nigeria
1,528
3
Ranking Based On Selection: 3
Ugya Ay
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,290
1,055
0.818
Plant stress
Microalgae biofilm
Ecotoxicology
Bioprospecting
Green chemistry
* Total Citation Counts Rankings
Rankings
637,063
Nigeria
1,787
4
Ranking Based On Selection: 4
I. Gerarh Umaru
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,149
1,106
0.963
Economic valuation
renewable energy
climate change
urban renewal
* Total Citation Counts Rankings
Rankings
781,354
Nigeria
3,585
5
Ranking Based On Selection: 5
Jamila Lawal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
766
766
1.000
* Total Citation Counts Rankings
Rankings
784,455
Nigeria
3,624
6
Ranking Based On Selection: 6
Abdullah Abba
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
760
209
0.275
* Total Citation Counts Rankings
Rankings
796,603
Nigeria
3,830
7
Ranking Based On Selection: 7
Isah Idris
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
733
436
0.595
* Total Citation Counts Rankings
Rankings
812,998
Nigeria
4,098
8
Ranking Based On Selection: 8
Muhammed Tanko
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
699
366
0.524
* Total Citation Counts Rankings
Rankings
814,310
Nigeria
4,114
9
Ranking Based On Selection: 9
Bashiru Kayode Sodipo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
696
501
0.720
Nanotechnology
Sonochemistry
High Intensity Focused ultrasound (HIFU)
Medical physics
* Total Citation Counts Rankings
Rankings
833,906
Nigeria
4,464
10
Ranking Based On Selection: 10
Kabiru Salisu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
656
656
1.000

360° Institutional Performance & Benchmarking Click Here for Live Demo 

Gain data-driven strategic insights into your institution’s academic performance, global positioning, and competitive strengths through advanced analysis and benchmarking

with 20 similarly ranked institutions at City, Country, Region, and Global levels. 

* Total Citation Counts Rankings
Rankings
842,300
Nigeria
4,636
11
Ranking Based On Selection: 11
Jaafaru Sani Mohammed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
640
578
0.903
Med. Biotechnology
Neuroscience
Oncology
Metabolic Diseases.
* Total Citation Counts Rankings
Rankings
853,070
Nigeria
4,828
12
Ranking Based On Selection: 12
Bulus Timothy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
620
220
0.355
Parasite Biochemistry
DNA Vaccine
Biotechnology
Tropical Diseases
Molecular Biology
* Total Citation Counts Rankings
Rankings
854,753
Nigeria
4,858
13
Ranking Based On Selection: 13
Hauwa Mohammed Mustafa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
616
601
0.976
Phytoremediation of wastewater treatment
material science
machine learning
* Total Citation Counts Rankings
Rankings
863,481
Nigeria
5,002
14
Ranking Based On Selection: 14
Yusuf Zuntu Abdullahi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
600
514
0.857
* Total Citation Counts Rankings
Rankings
879,828
Nigeria
5,333
15
Ranking Based On Selection: 15
Mustapha Abdullahi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
571
565
0.989
* Total Citation Counts Rankings
Rankings
887,875
Nigeria
5,488
16
Ranking Based On Selection: 16
Cyprian Alphonsus
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
558
304
0.545
Animal Genetics and breeding
animal reproductive physiology
molecular genetics and biotechnology
* Total Citation Counts Rankings
Rankings
890,230
Nigeria
5,532
17
Ranking Based On Selection: 17
Timothy, Micah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
554
328
0.592
Toxicology
malariology
drug development
* Total Citation Counts Rankings
Rankings
892,145
Nigeria
5,572
18
Ranking Based On Selection: 18
Zakari Ladan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
551
279
0.506
* Total Citation Counts Rankings
Rankings
929,089
Nigeria
6,227
19
Ranking Based On Selection: 19
Yohanna Tella
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
501
226
0.451
* Total Citation Counts Rankings
Rankings
966,930
Nigeria
6,947
20
Ranking Based On Selection: 20
Husain Yahya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
457
187
0.409
* Total Citation Counts Rankings
Rankings
979,564
Nigeria
7,201
21
Ranking Based On Selection: 21
Igwe James Chibueze
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
443
235
0.530
Pharmaceutical Microbiology and Biotechnology
Biosecurity
Biosafety
Infectious Diseases
* Total Citation Counts Rankings
Rankings
980,305
Nigeria
7,224
22
Ranking Based On Selection: 22
Idris Abdulrahman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
442
307
0.695
microbial ecology
marine ecology
biofouling
secondary metabolites
antimicrobial Antifouling and antibiofilm agents
* Total Citation Counts Rankings
Rankings
991,605
Nigeria
7,425
23
Ranking Based On Selection: 23
Abdulwase Ibrahim
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
430
283
0.658
* Total Citation Counts Rankings
Rankings
1,007,349
Nigeria
7,747
24
Ranking Based On Selection: 24
Oshiozokhai Eboetse Yama
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
414
172
0.415
Medical Education
Medical Embryology
Reproductive Endocrinology
Clinical Anatomy
* Total Citation Counts Rankings
Rankings
1,009,934
Nigeria
7,775
25
Ranking Based On Selection: 25
Peter Waziri
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
411
298
0.725
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