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
Thin films and Coatings
3D printing
Finite Element Analysis
Material Characterisation & Manufacturing
Fractal theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,506
1,488
0.988
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :2
Mechanical Engineering
Industrial Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,247
1,154
0.514
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :3
Geoinformation
Geosciences and Environmental sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,445
783
0.542
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :4
Geomatic Engineering
GIS Spatial Analysis
Remote Sensing Modelling
Environmental Assessment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,236
678
0.549
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :5
Remote sensing
passive microwave
radar
geoinformatics
Land Information Management Systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
899
585
0.651
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :6
Accounting & Finance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
736
544
0.739
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :7
Maintenance
Condition monitoring
Machine learning
Risk-Based Asset Maintenance
Healthcare Logistics.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
534
506
0.948
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :8
Food Science and Nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
725
499
0.688
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :9
CHEMISTRY
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
636
380
0.597
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :10
Remote Sensing
Geomatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
407
377
0.926
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :11
Machine Learning
Intelligent Systems
Data Analytics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,633
349
0.214
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :12
Nanomaterial Chemistry
Physical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
349
335
0.960
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :13
Geothermal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
591
330
0.558
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :14
Business
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
685
327
0.477
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :15
image processing
data visualization
data analysis
software development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
319
301
0.944
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :16
Combustion and Computational Fluid Dynamics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
847
278
0.328
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :17
Chemical Engineering
Biotechnology and Biomaterials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
791
263
0.332
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :18
Environmental Engineering
Waste water Treatment
Pollution Prevention
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
454
263
0.579
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :19
Plant biotechnology and Natural products
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
388
242
0.624
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :20
Electrical & Electronic Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
260
226
0.869
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :21
Physical and applied Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
479
222
0.463
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :22
Library innovation
information strategies
Publishing
Information Literacy
Library research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
253
209
0.826
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :23
Leather Technology
Environment
Climate Change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
232
199
0.858
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :24
Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
319
190
0.596
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :25
Quality Management
Risk Management
Leadership
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
390
189
0.485
Mwema Fredrick Madaraka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,506
1,488
0.988
Thin films and Coatings
3D printing
Finite Element Analysis
Material Characterisation & Manufacturing
Fractal theory
Peter Muchiri
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,247
1,154
0.514
Mechanical Engineering
Industrial Management
Patrick Kariuki
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,445
783
0.542
Geoinformation
Geosciences and Environmental sciences
Mundia CN
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,236
678
0.549
Geomatic Engineering
GIS Spatial Analysis
Remote Sensing Modelling
Environmental Assessment
David N Kuria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
899
585
0.651
Remote sensing
passive microwave
radar
geoinformatics
Land Information Management Systems
Riro Gk
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
736
544
0.739
James Wakiru
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
534
506
0.948
Maintenance
Condition monitoring
Machine learning
Risk-Based Asset Maintenance
Healthcare Logistics.
Eddy Owaga
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
725
499
0.688
Food Science and Nutrition
Esther Wanja Nthiga
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
636
380
0.597
Arthur Sichangi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
407
377
0.926
Remote Sensing
Geomatics
Henry Okola Nyongesa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,633
349
0.214
Machine Learning
Intelligent Systems
Data Analytics
Moses Ollengo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
349
335
0.960
Nanomaterial Chemistry
Physical Chemistry
Nicholas Mariita
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
591
330
0.558
David Kiragu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
685
327
0.477
John Mwangi Wandeto
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
319
301
0.944
image processing
data visualization
data analysis
software development
PN Kioni
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
847
278
0.328
Combustion and Computational Fluid Dynamics
Nancy Karuri
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
791
263
0.332
Chemical Engineering
Biotechnology and Biomaterials
Njenga Mburu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
454
263
0.579
Environmental Engineering
Waste water Treatment
Pollution Prevention
Esther Magiri
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
388
242
0.624
Plant biotechnology and Natural products
Waweru Njeri
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
260
226
0.869
Electrical & Electronic Engineering
Gerald Muthakia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
479
222
0.463
Fredrick Otike
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
253
209
0.826
Library innovation
information strategies
Publishing
Information Literacy
Library research
Arthur Onyuka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
232
199
0.858
Leather Technology
Environment
Climate Change
Paul Ks Magut
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
319
190
0.596
Simmy Marwa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
390
189
0.485