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
Internal Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,538
33,570
0.972
* Total Citation Counts Rankings
Ranking Based On Selection :27
Bio-statistics
Systematic reviews and meta-analysis
Evidence synthesis
Cancer epidemiology
and
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,427
32,992
0.958
* Total Citation Counts Rankings
Ranking Based On Selection :28
Public Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,153
31,039
0.965
* Total Citation Counts Rankings
Ranking Based On Selection :29
High Energy Physics and Cosmology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,810
12,219
0.384
* Total Citation Counts Rankings
Ranking Based On Selection :30
Cardiovascular disease
coronary interventional
ischaemic heart disease
cardiac arrythmias
Heart failure
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,401
15,131
0.482
* Total Citation Counts Rankings
Ranking Based On Selection :31
Myths
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,381
5,472
0.180
* Total Citation Counts Rankings
Ranking Based On Selection :32
Public Health
Epidemiology
Non-Communicable Diseases
Hepatitis C
Tobacco Control
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,510
24,857
0.842
* Total Citation Counts Rankings
Ranking Based On Selection :33
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,206
28,829
0.987
* Total Citation Counts Rankings
Ranking Based On Selection :34
Dentistry
Dental Public Health
Oral Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,795
27,276
0.981
* Total Citation Counts Rankings
Ranking Based On Selection :35
• Renewable Energy Systems. • Desiccant Dehumidification Systems. • Refrigeration and Air
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,559
24,250
0.880
* Total Citation Counts Rankings
Ranking Based On Selection :36
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,257
27,122
0.995
* Total Citation Counts Rankings
Ranking Based On Selection :37
data mining- Swarm Techniques- Deep Learning
Cloud Computing
Big Data Optimization
Signal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,720
26,226
0.982
* Total Citation Counts Rankings
Ranking Based On Selection :38
English language
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,293
24,718
0.940
* Total Citation Counts Rankings
Ranking Based On Selection :39
Nuclear Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,742
19,655
0.794
* Total Citation Counts Rankings
Ranking Based On Selection :40
Pediatric Ophtahlmology
Pediatric cataract surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,919
10,323
0.432
* Total Citation Counts Rankings
Ranking Based On Selection :41
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,873
16,389
0.687
* Total Citation Counts Rankings
Ranking Based On Selection :42
Microbiology and Immunology
Microbiome
Genomics
Bioinformatics
Phage
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,091
12,488
0.541
* Total Citation Counts Rankings
Ranking Based On Selection :43
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,577
22,470
0.995
* Total Citation Counts Rankings
Ranking Based On Selection :44
Theortical physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,180
7,906
0.356
* Total Citation Counts Rankings
Ranking Based On Selection :45
Statistics and Probability
Data Science
Outlier Detection
Categorical Data Analysis
Artificial Intelligence
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,663
5,954
0.275
* Total Citation Counts Rankings
Ranking Based On Selection :46
Environmental Economics
climate change impacts
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,454
10,958
0.511
* Total Citation Counts Rankings
Ranking Based On Selection :47
E - Learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,436
13,379
0.624
* Total Citation Counts Rankings
Ranking Based On Selection :48
Geochemistry of Trace Elements
Soil and water pollution by toxic metals
Remediation of toxic metals contaminated soils and waters
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,722
18,620
0.899
* Total Citation Counts Rankings
Ranking Based On Selection :49
mobile wireless networks
mobile and ubiquitous computing
localization
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,265
7,494
0.370
* Total Citation Counts Rankings
Ranking Based On Selection :50
Cyber Security for Cyber Physical Systems
Information Systems Security
Industrial Informatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,124
19,827
0.985
Joseph Adel Mattar Banoub
Alexandria University
Alexandria, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,538
33,570
0.972
Iman El Sayed
Alexandria University
Alexandria, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,427
32,992
0.958
Bio-statistics
Systematic reviews and meta-analysis
Evidence synthesis
Cancer epidemiology
and
Marwa Rashad Salem
Cairo University
Giza, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,153
31,039
0.965
Adel Awad
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,810
12,219
0.384
Aly Saad|Aly M A Saad, A.Saad
Zagazig University
Sharqia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,401
15,131
0.482
Cardiovascular disease
coronary interventional
ischaemic heart disease
cardiac arrythmias
Heart failure
Eslam Ali Maher
Ain Shams University
Cairo, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,381
5,472
0.180
Aya Mostafa
Ain Shams University
Cairo, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,510
24,857
0.842
Public Health
Epidemiology
Non-Communicable Diseases
Hepatitis C
Tobacco Control
Mohamed Hegazy
Cairo University
Giza, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,206
28,829
0.987
Maha El Tantawi
Alexandria University
Alexandria, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,795
27,276
0.981
Dentistry
Dental Public Health
Oral Epidemiology
Ae Kabeel
Delta University for Science & Technology
Dakahlia Governorate, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,559
24,250
0.880
• Renewable Energy Systems. • Desiccant Dehumidification Systems. • Refrigeration and Air
Ahmed I. Hasaballah
Al Azhar University
Cairo, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,257
27,122
0.995
Mohamed Abd Elaziz
Zagazig University
Sharqia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,720
26,226
0.982
data mining- Swarm Techniques- Deep Learning
Cloud Computing
Big Data Optimization
Signal
Nisreen Sobhy|nisreen sobhy mohamed Ali elsayed
Tanta University
Tanta, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,293
24,718
0.940
Hassan Ibrahim
Cairo University
Giza, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,742
19,655
0.794
Rabab Elsoht
Tanta University
Tanta, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,919
10,323
0.432
Pediatric Ophtahlmology
Pediatric cataract surgery
Mohamed A Farag
Cairo University
Giza, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,873
16,389
0.687
Ramy K Aziz
Cairo University
Giza, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,091
12,488
0.541
Microbiology and Immunology
Microbiome
Genomics
Bioinformatics
Phage
MR Darwish
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,577
22,470
0.995
Ayman Ahmed Aly Elokaby
Damanhour University
Damanhour, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,180
7,906
0.356
Ali S Hadi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,663
5,954
0.275
Statistics and Probability
Data Science
Outlier Detection
Categorical Data Analysis
Artificial Intelligence
Mohamed Abdrabo
Alexandria University
Alexandria, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,454
10,958
0.511
Environmental Economics
climate change impacts
Ahmed Nour
El Shorouk Academy
Cairo Governorate, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,436
13,379
0.624
Sabry Shaheen
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,722
18,620
0.899
Geochemistry of Trace Elements
Soil and water pollution by toxic metals
Remediation of toxic metals contaminated soils and waters
Moustafa Youssef
Alexandria University
Alexandria, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,265
7,494
0.370
mobile wireless networks
mobile and ubiquitous computing
localization
Ali Shalash
Ain Shams University
Cairo, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,124
19,827
0.985
Cyber Security for Cyber Physical Systems
Information Systems Security
Industrial Informatics