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.
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 1
Hydrology
Water Resources Management
Petroleum Geology
Data Analysis
Water Related Conflicts Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
552
449
0.813
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 2
Statistical Modeling
Advanced Time series
Data Analytics
Machine Learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
421
413
0.981
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 3
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
421
377
0.895
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 4
Natural Sciences
Materials Science
nanomaterials
metal oxides
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
374
374
1.000
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 5
Environmental Microbiology
Water Quality & Treatment
Bacteriology
Adsorption
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
460
293
0.637
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 6
Supercapacitor & Energy Storage
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
337
268
0.795
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 7
Solid State Physics
Single Crystals
Material Science
Nanomaterials
Nanotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
277
250
0.903
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 8
Electrocatalysts
Hydrogen Evolution Reaction
Oxygen Evolution Reaction
Water Splitting
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
226
226
1.000
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 9
Automatic Deep Learning
NLP
GNN
GNAS
Multimodal Learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
212
212
1.000
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 10
Immunology
Immunotherapy
Stem cells
interleukin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
211
209
0.991
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 11
Periodontology
Implantology
oral medicine and oral health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
181
179
0.989
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 12
Fractional Calculus
Mathematical Biology
Mathematical Modeling
Machine Learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
178
178
1.000
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 13
bionanotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
178
176
0.989
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 14
Water Resources and Climate Change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
186
138
0.742
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 15
Data minig
Intelligent Systems
Soft Computing
AI and Machine Learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
285
125
0.439
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 16
Nanoscience and Nanotechnolgy
Applied Radiation
Laser and Semiconductor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
157
112
0.713
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 17
Artificial Intelligence
Data Wearhousing
Data Mining
Knowledge Discovery
AI in Heathcare
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
98
98
1.000
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 18
Microbiology- Immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
158
91
0.576
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 19
Hydraulic Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
92
91
0.989
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 20
Islamic banking & Finance
Financial Markets
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84
84
1.000
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 21
polymer chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139
83
0.597
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 22
Structural Geology
Remote Sensing
GIS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
100
82
0.820
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 23
FinTech
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
79
79
1.000
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 24
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
152
78
0.513
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 25
Optics and Laser
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
72
72
1.000
Nabil M. Al-Areeq
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
552
449
0.813
Hydrology
Water Resources Management
Petroleum Geology
Data Analysis
Water Related Conflicts Management
Yousif Alyousifi
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
421
413
0.981
Statistical Modeling
Advanced Time series
Data Analytics
Machine Learning
Annas Al-Sharabi
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
421
377
0.895
Adnan Alnehia
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
374
374
1.000
Fawaz Al-Badaii
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
460
293
0.637
Environmental Microbiology
Water Quality & Treatment
Bacteriology
Adsorption
Ahmed Al-Osta
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
337
268
0.795
Abduh Mohammad Abdulwahab|A.M. Abdulwahab, Abdu Mohammed Abdulwahab, Abduh Mohammed Abdulwahab
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
277
250
0.903
Solid State Physics
Single Crystals
Material Science
Nanomaterials
Nanotechnology
Adel Al-Salihy
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
226
226
1.000
Electrocatalysts
Hydrogen Evolution Reaction
Oxygen Evolution Reaction
Water Splitting
Raeed Alsabri
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
212
212
1.000
Fadhl Al-Shaebi
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
211
209
0.991
Wadhah Abdul Nasser Alhajj
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
181
179
0.989
Tariq Qs Abdullah
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
178
178
1.000
Fractional Calculus
Mathematical Biology
Mathematical Modeling
Machine Learning
Ansam Wadia Al-Shameri
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
178
176
0.989
Abdullah Abdo Abbas
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
186
138
0.742
Basheer Al-Maqaleh
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
285
125
0.439
Data minig
Intelligent Systems
Soft Computing
AI and Machine Learning
Abdo Ma Meftah
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
157
112
0.713
Nanoscience and Nanotechnolgy
Applied Radiation
Laser and Semiconductor
Bilal Abdualgalil|Bilal Al-samaee, Bilal Sultan Abdualgali
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
98
98
1.000
Artificial Intelligence
Data Wearhousing
Data Mining
Knowledge Discovery
AI in Heathcare
Fuad A. Saad
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
158
91
0.576
Eng. Ebrahim Khailah
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
92
91
0.989
Yasser Saleh Ali Almonifi
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84
84
1.000
Abdullah M. Al-Hussam
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139
83
0.597
Majid Al-Gabali
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
100
82
0.820
Hussein Ahmed Alshari|Hussein A. Alshari, Hussein Ahmed Al-Shari
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
79
79
1.000
Mohammad Al Ghazali
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
152
78
0.513
Hassan T. Al-Ahsab
Thamar University
Dhamar, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
72
72
1.000