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
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :1
Ecology and Climate Change
Ecosystem Management
Land Management
Reclamation and Restoration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,928
2,172
0.553
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :2
Media Library
School Librarianship and ICT
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,791
1,613
0.901
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :3
biochemistry
chemical pathology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,949
1,556
0.798
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :4
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,242
1,442
0.643
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :5
Communication Physics
Applied Physics with Electronics
Artificial Intelligence/ Machine Learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,391
1,112
0.799
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :6
Economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,247
1,111
0.891
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :7
Economic Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
942
938
0.996
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :8
Material characterization
composites and nanocellulose modification
polymer processing
environmental analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,015
844
0.832
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :9
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
992
646
0.651
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :10
Peace
Conflict
Security Studies and Governance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
748
557
0.745
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :11
Organic / Medicinal / Natural Product Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
735
539
0.733
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :12
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
917
517
0.564
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :13
Polymer Chemistry and Technology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,054
515
0.489
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :14
Non-classical Set Theories with Applications
and Non-classical Abstract Algebra
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
832
497
0.597
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :15
Public Health Microbiology
zoonoses
immunology
Parasitic
fisheries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
997
480
0.481
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :16
food production
plant biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
606
474
0.782
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :17
Comparative Politics
Democratization
Labour Politics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
693
450
0.649
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :18
Health Economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
421
398
0.945
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :19
Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
412
371
0.900
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :20
Data Mining
Natural Language Processing
Machine Learning
Artificial Intelligence
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
383
368
0.961
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :21
Organizational Complex and Industrial Sociology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
468
344
0.735
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :22
Corporate Analysis and Reporting
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
568
303
0.533
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :23
Public Health Risk Assessment
Environmental Health and Toxicology
Ecotoxicology
Hazard Risk
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
493
303
0.615
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :24
History
Economic History
Transport History
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
193
96
0.497
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :25
Petroleum Geo-sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42
13
0.310
Blessing Adejoh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,928
2,172
0.553
Ecology and Climate Change
Ecosystem Management
Land Management
Reclamation and Restoration
Oshinaike Abdullateef Babatunde
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,791
1,613
0.901
Media Library
School Librarianship and ICT
Juliana Oni
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,949
1,556
0.798
biochemistry
chemical pathology
Vincent Ogundana
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,242
1,442
0.643
Joseph Isabona
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,391
1,112
0.799
Communication Physics
Applied Physics with Electronics
Artificial Intelligence/ Machine Learning
Abubakar Manu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,247
1,111
0.891
Udi Joshua
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
942
938
0.996
Stephen Agwuncha
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,015
844
0.832
Material characterization
composites and nanocellulose modification
polymer processing
environmental analysis
Kemi Elizabeth Ajibade
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
992
646
0.651
Segun Joshua
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
748
557
0.745
Peace
Conflict
Security Studies and Governance
Muluh Emmanuel Khan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
735
539
0.733
Organic / Medicinal / Natural Product Chemistry
Emmanuel Akintunde
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
917
517
0.564
Ben Dauda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,054
515
0.489
Musa Ibrahim
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
832
497
0.597
Non-classical Set Theories with Applications
and Non-classical Abstract Algebra
Joy Atawodi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
997
480
0.481
Public Health Microbiology
zoonoses
immunology
Parasitic
fisheries
Taiwo Sunday Adewole
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
606
474
0.782
food production
plant biology
Rotimi Ajayi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
693
450
0.649
Comparative Politics
Democratization
Labour Politics
Rabi'U Isah Moh'D
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
421
398
0.945
Onimisi A Jimoh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
412
371
0.900
Taiwo Kolajo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
383
368
0.961
Data Mining
Natural Language Processing
Machine Learning
Artificial Intelligence
Peace Oluwatoyin Irefin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
468
344
0.735
Organizational Complex and Industrial Sociology
Angus O. Unegbu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
568
303
0.533
Gideon I Ogu|Ibrahim Khaleel, Ph.D
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
493
303
0.615
Public Health Risk Assessment
Environmental Health and Toxicology
Ecotoxicology
Hazard Risk
Anthony Danladi Ali
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
193
96
0.497
History
Economic History
Transport History
* Last 6 Years Citation Counts Rankings
Habeeb Ayoola Ayinla
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42
13
0.310
Petroleum Geo-sciences