Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: 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
Medical Microbiology
Antimicrobial resistance
Water quality and sanitation
Bioremediation
Phytochemical
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,765
2,274
0.477
* Total Citation Counts Rankings
Ranking Based On Selection :2
Climatology
Climate Change
Environmental management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,599
806
0.504
* Total Citation Counts Rankings
Ranking Based On Selection :3
climate adaptation
ecosystem services
resource management
flood risk
political ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,433
1,122
0.783
* Total Citation Counts Rankings
Ranking Based On Selection :4
Phytomedicine
Antioxidants and Oxidative stress
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,289
543
0.421
* Total Citation Counts Rankings
Ranking Based On Selection :5
Industrial Chemistry
Environmental Chemistry
Coating Technology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,073
532
0.496
* Total Citation Counts Rankings
Ranking Based On Selection :6
Nutritional Biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
978
530
0.542
* Total Citation Counts Rankings
Ranking Based On Selection :7
Curriculum and Instructions
Education Biology
Teaching and Learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
960
898
0.935
* Total Citation Counts Rankings
Ranking Based On Selection :8
Energy and Environmental Engineering
Thermochemical Conversion
Material Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
935
765
0.818
* Total Citation Counts Rankings
Ranking Based On Selection :9
CHEMISTRY
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
829
396
0.478
* Total Citation Counts Rankings
Ranking Based On Selection :10
Mathematical Programming
Soft Computing
Decision Analytics & Supply Chain Analytics
Multi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
815
806
0.989
* Total Citation Counts Rankings
Ranking Based On Selection :11
taxation
finance and accounting
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
713
565
0.792
* Total Citation Counts Rankings
Ranking Based On Selection :12
Agricultural Economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
704
377
0.536
* Total Citation Counts Rankings
Ranking Based On Selection :13
Industrial Microbiology
Legume-microbe interaction
brewing
oenology
Molecular genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
676
348
0.515
* Total Citation Counts Rankings
Ranking Based On Selection :14
Production Economics
Women In Agriculture
Gender issues
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
662
342
0.517
* Total Citation Counts Rankings
Ranking Based On Selection :15
Accounting and Finance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
655
541
0.826
* Total Citation Counts Rankings
Ranking Based On Selection :16
Environmental Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
633
420
0.664
* Total Citation Counts Rankings
Ranking Based On Selection :17
Analytical/ Environmental Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
580
361
0.622
* Total Citation Counts Rankings
Ranking Based On Selection :18
Development Economics
Applied Econometrics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
560
383
0.684
* Total Citation Counts Rankings
Ranking Based On Selection :19
Finance & Corporate Governance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
555
441
0.795
* Total Citation Counts Rankings
Ranking Based On Selection :20
Environmental resources management
land use/degradation
land use conflicts and impact assessment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
537
254
0.473
* Total Citation Counts Rankings
Ranking Based On Selection :21
Thin Film
dye sensitized Solar Cells
Perovskite Solar Cell
Fiber Reinforced Composite
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
495
484
0.978
* Total Citation Counts Rankings
Ranking Based On Selection :22
Marketing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
472
295
0.625
* Total Citation Counts Rankings
Ranking Based On Selection :23
Farm Power
Farm Machinery
Agricultural Energy Use
Postharvest
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
469
177
0.377
* Total Citation Counts Rankings
Ranking Based On Selection :24
Fish Nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
430
183
0.426
* Total Citation Counts Rankings
Ranking Based On Selection :25
Bioinorganic Chemistry
Metal-Organic frameworks
Drug delivery agents
Intelligent molecule design
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
423
407
0.962
James Hamuel Doughari
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,765
2,274
0.477
Medical Microbiology
Antimicrobial resistance
Water quality and sanitation
Bioremediation
Phytochemical
Abel A. Adebayo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,599
806
0.504
Climatology
Climate Change
Environmental management
Olalekan Adekola
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,433
1,122
0.783
climate adaptation
ecosystem services
resource management
flood risk
political ecology
Daniel Dahiru
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,289
543
0.421
Phytomedicine
Antioxidants and Oxidative stress
Sunday Osemeahon Akuewanbhor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,073
532
0.496
Industrial Chemistry
Environmental Chemistry
Coating Technology
Hauwa Aduwamai Umaru
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
978
530
0.542
John Sakiyo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
960
898
0.935
Curriculum and Instructions
Education Biology
Teaching and Learning
David Onoja Patrick
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
935
765
0.818
Energy and Environmental Engineering
Thermochemical Conversion
Material Development
Ibrahim Iliya Nkafamiya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
829
396
0.478
Umar Muhammad Modibbo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
815
806
0.989
Mathematical Programming
Soft Computing
Decision Analytics & Supply Chain Analytics
Multi
El-Maude Jibreel Gambo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
713
565
0.792
taxation
finance and accounting
Giroh Dengle Yuniyus
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
704
377
0.536
Agricultural Economics
Chikezie Owuama
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
676
348
0.515
Industrial Microbiology
Legume-microbe interaction
brewing
oenology
Molecular genetics
Elizabeth Adebayo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
662
342
0.517
Mohammed Abba
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
655
541
0.826
Accounting and Finance
Timothy Musa Chiroma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
633
420
0.664
Environmental Engineering
Oliver N. Maitera
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
580
361
0.622
Analytical/ Environmental Chemistry
Sikiru Jimoh Babalola
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
560
383
0.684
Development Economics
Applied Econometrics
Ahmad Aminu Hamidu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
555
441
0.795
Finance & Corporate Governance
Abdullahi Liman Tukur
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
537
254
0.473
Environmental resources management
land use/degradation
land use conflicts and impact assessment
Sabastine Chinedu Ezike
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
495
484
0.978
Thin Film
dye sensitized Solar Cells
Perovskite Solar Cell
Fiber Reinforced Composite
Ibrahim Danjuma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
472
295
0.625
Bobboi Umar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
469
177
0.377
Farm Power
Farm Machinery
Agricultural Energy Use
Postharvest
Mrs. Kg Michael
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
430
183
0.426
Andrew Fartisincha Peingurta
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
423
407
0.962
Bioinorganic Chemistry
Metal-Organic frameworks
Drug delivery agents
Intelligent molecule design