The Citation Rankings (Highly Cited Researchers) 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 :26
Chemical engineering
Environmental engineering
Nanomaterials
Photocatalysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
660
647
0.980
* Total Citation Counts Rankings
Ranking Based On Selection :27
Nanotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
649
492
0.758
* Total Citation Counts Rankings
Ranking Based On Selection :28
General Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
632
308
0.487
* Total Citation Counts Rankings
Ranking Based On Selection :29
AI-driven Chemical Synthesis
Heterogeneous Catalysis
Materials Chemistry
Chemical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
619
465
0.751
* Total Citation Counts Rankings
Ranking Based On Selection :30
Islamic Juristprudence/ Family Laws
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
615
494
0.803
* Total Citation Counts Rankings
Ranking Based On Selection :31
plant pathology
plat diseases
Mycotoxins
Aflatoxins
Fungal diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
615
390
0.634
* Total Citation Counts Rankings
Ranking Based On Selection :32
Institutional Economics
International trade
Global value chains
Applied Econometrics
Environment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
596
575
0.965
* Total Citation Counts Rankings
Ranking Based On Selection :33
Analytical/Environmental Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
595
384
0.645
* Total Citation Counts Rankings
Ranking Based On Selection :34
Environmental Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
594
362
0.609
* Total Citation Counts Rankings
Ranking Based On Selection :35
HIV/AIDS Epidemiology
HIV-1 Drug Resistant Mutations
Molecular Biology and Virology
Genomics
Bioinformatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
590
304
0.515
* Total Citation Counts Rankings
Ranking Based On Selection :36
Environmental Chemistry
Material Chemistry
Food Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
588
505
0.859
* Total Citation Counts Rankings
Ranking Based On Selection :37
Antimicrobial Agents and Resistance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
556
310
0.558
* Total Citation Counts Rankings
Ranking Based On Selection :38
Farming Systems
Organic Agriculture
Sustainable/Climate Smart Agriculture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
550
279
0.507
* Total Citation Counts Rankings
Ranking Based On Selection :39
Natural products
Diabetes
Oxidative Stress
Free Radical
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
515
294
0.571
* Total Citation Counts Rankings
Ranking Based On Selection :40
Financial Time series
Time series Econometrics
Machine Learning
Spatial Econometrics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
493
430
0.872
* Total Citation Counts Rankings
Ranking Based On Selection :41
Environmental Management
Climate change adaptation
REDD+
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
490
306
0.624
* Total Citation Counts Rankings
Ranking Based On Selection :42
Material Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
469
460
0.981
* Total Citation Counts Rankings
Ranking Based On Selection :43
NUTRACEUTICALS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
454
285
0.628
* Total Citation Counts Rankings
Ranking Based On Selection :44
Molecular bacteriology
Infectious diseases
Public Health Microbiology
Antibiotic Resistance
Diagnostics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
430
401
0.933
* Total Citation Counts Rankings
Ranking Based On Selection :45
Medical Mycology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
423
307
0.726
* Total Citation Counts Rankings
Ranking Based On Selection :46
time series
spatial statistics
biostatistics.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
422
378
0.896
* Total Citation Counts Rankings
Ranking Based On Selection :47
Sociology and Criminology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
418
255
0.610
* Total Citation Counts Rankings
Ranking Based On Selection :48
Biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
162
142
0.877
* Total Citation Counts Rankings
Ranking Based On Selection :49
Materials and Industrial Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
396
365
0.922
* Total Citation Counts Rankings
Ranking Based On Selection :50
Terrorism
Policing
Criminal Justice System
Gender Studies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
380
292
0.768
Ijeoma Jacinta Ani
Nasarawa State University
Keffi, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
660
647
0.980
Chemical engineering
Environmental engineering
Nanomaterials
Photocatalysis
Labulo Ayomide Hassan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
649
492
0.758
Ahmed Ashuku Yakubu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
632
308
0.487
Charles O. Oseghale
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
619
465
0.751
AI-driven Chemical Synthesis
Heterogeneous Catalysis
Materials Chemistry
Chemical Engineering
Abdulwahab Abdulqadir Ibrahim
Nasarawa State University
Keffi, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
615
494
0.803
Islamic Juristprudence/ Family Laws
Isaac Maikasuwa Ogara
Nasarawa State University
Keffi, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
615
390
0.634
plant pathology
plat diseases
Mycotoxins
Aflatoxins
Fungal diseases
Abdulkareem Alhassan|Alhassan abdulkareem
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
596
575
0.965
Institutional Economics
International trade
Global value chains
Applied Econometrics
Environment
Opaluwa Obaje
Nasarawa State University
Keffi, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
595
384
0.645
Makwin Danladi Makut
Nasarawa State University
Keffi, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
594
362
0.609
Moses P. Adoga|Moses Adoga, Moses Peter Adoga, M. P. Adoga
Nasarawa State University
Keffi, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
590
304
0.515
HIV/AIDS Epidemiology
HIV-1 Drug Resistant Mutations
Molecular Biology and Virology
Genomics
Bioinformatics
Jude Chinedu Onwuka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
588
505
0.859
Environmental Chemistry
Material Chemistry
Food Chemistry
Yakubu Ngwai
Nasarawa State University
Keffi, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
556
310
0.558
Antimicrobial Agents and Resistance
IM Haruna
Nasarawa State University
Keffi, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
550
279
0.507
Farming Systems
Organic Agriculture
Sustainable/Climate Smart Agriculture
Abubakar Mohammed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
515
294
0.571
Adenomon, Mo
Nasarawa State University
Keffi, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
493
430
0.872
Financial Time series
Time series Econometrics
Machine Learning
Spatial Econometrics
Haruna Kuje Ayuba
Nasarawa State University
Keffi, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
490
306
0.624
Environmental Management
Climate change adaptation
REDD+
Abdulkarim Muhammad Hamza
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
469
460
0.981
Audu Saratu Stephen
Nasarawa State University
Keffi, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
454
285
0.628
Obande Godwin Attah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
430
401
0.933
Molecular bacteriology
Infectious diseases
Public Health Microbiology
Antibiotic Resistance
Diagnostics
Aleruchi Chuku
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
423
307
0.726
Ezekiel Bulus Awhigbo
Nasarawa State University
Keffi, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
422
378
0.896
Moses Ikoh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
418
255
0.610
Ubana Muhammad
Nasarawa State University
Keffi, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
162
142
0.877
Nasirudeen Mohammed Baba
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
396
365
0.922
Materials and Industrial Chemistry
Eke Chinwokwu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
380
292
0.768
Terrorism
Policing
Criminal Justice System
Gender Studies