Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,899 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 1
Hilal Adnan Fadhil
OCDMA
Optical CDMA
Optical Communications
Wireless Communications
Free-Space Optics
Metrics
H-Index
i10 Index
Citation
20
52
2,084
* Rankings
Ranking Based On Selection: 2
Mohanad Naji Sahib
Design
development and evaluation of pulmonary delivery system
colon targeting of active
Metrics
H-Index
i10 Index
Citation
15
19
691
* Rankings
Ranking Based On Selection: 5
Shaker Mahmood Alwan
Medicinal chemistry (Synthesis of new antibacterials
antivirals
prodrugs)
Metrics
H-Index
i10 Index
Citation
7
5
475
* Rankings
Ranking Based On Selection: 7
Amera Alkaisi
Distraction osteogenesis
laser surgery
oral cancer
stem cells
biomaterials
Metrics
H-Index
i10 Index
Citation
6
4
130
* Rankings
Ranking Based On Selection: 10
Abdul-Hassain
embryology
zoology
ecology
Metrics
H-Index
i10 Index
Citation
6
3
136
* Rankings
Ranking Based On Selection: 12
Khalidah Alqayim
bioenergy
clean energy
wood combustion
carbon capture
environment
Metrics
H-Index
i10 Index
Citation
5
5
154
* Rankings
Ranking Based On Selection: 17
Reem Mudar Hussien
Applied Mathematics
Dynamical Systems
Biological Mathematic
Population dynamicss
Metrics
H-Index
i10 Index
Citation
4
1
70
* Rankings
Ranking Based On Selection: 22
Thura Mohammed
Antibacterial
Antioxidants
Cyanobacterial Spirulina
Environmental Health
Genetic Identification
Metrics
H-Index
i10 Index
Citation
3
2
143
* Rankings
Ranking Based On Selection: 23
Omar Talal Hamid
Internet of Things
Smart City
Embedded Systems
Web Developer
Metrics
H-Index
i10 Index
Citation
3
2
84
* Rankings
Ranking Based On Selection: 25
أ د أسامة عبد المجيد العاني Usama A Alani
اقتصاد اسلامي، مصارف اسلامية، وقف Islamicbanking & Economy
Waqf
Metrics
H-Index
i10 Index
Citation
3
1
35
* Rankings
Ranking Based On Selection: 29
Kafaa Alani
Petroleum chemistry
pesticides
organic chemistry
Metrics
H-Index
i10 Index
Citation
3
1
46
* Rankings
Ranking Based On Selection: 37
Tawfik Ss Mahde
phd dgree in laser and moleculare spectroscopy
Metrics
H-Index
i10 Index
Citation
2
0
15
* Rankings
Ranking Based On Selection: 41
Asmaa Ghassan Sami
sustainable structures
sustainable construction material
Metrics
H-Index
i10 Index
Citation
2
0
6
* Rankings
Ranking Based On Selection: 43
Al-Hasani, Mohammed K
Architecture
Urban design
Urban planning
Infrastructure planning
Metrics
H-Index
i10 Index
Citation
1
1
42
* Rankings
Ranking Based On Selection: 44
Sarah I. Al-Mulla
Biological Sciences
Cytotoxicity
Medicinal Plants
Antioxidants
Microbiology
Metrics
H-Index
i10 Index
Citation
1
1
39
* Rankings
Ranking Based On Selection: 49
Zaid Jaber Hamad
Nursing
Health education
Community health
Occupational health
Infection control
Metrics
H-Index
i10 Index
Citation
1
1
10
* Rankings
Ranking Based On Selection: 51
Hasan Ali Neamah
Petroleum engineering
well drilling technology
well bore stability
Drilling with casing
Managed pressure drilling technology
Metrics
H-Index
i10 Index
Citation
1
1
10
* Rankings
Ranking Based On Selection: 54
Aymen Petro
Chemical engineering
petroleum refining
catalyst
model
matlab
Metrics
H-Index
i10 Index
Citation
1
0
5
* Rankings
Ranking Based On Selection: 57
Adel H Othman
القانون الدولي العام، القانون الدولي الانساني، المنظمات الدولية
Metrics
H-Index
i10 Index
Citation
1
0
3
* Rankings
Ranking Based On Selection: 58
Ahmed Sameer Y
Structural Engineering
R.C Design
Finite Element Modeling
Metrics
H-Index
i10 Index
Citation
1
0
3
* Rankings
Ranking Based On Selection: 62
Saadi Jawad Muslim
research in prevention of oral diseases and relation of psychology & dentistry
Metrics
H-Index
i10 Index
Citation
1
0
1
Rankings
Ranking Based On Selection: 1
Hilal Adnan Fadhil
Metrics
H-Index
i10 Index
Citation Counts
20
52
2,084
OCDMA
Optical CDMA
Optical Communications
Wireless Communications
Free-Space Optics
Rankings
Ranking Based On Selection: 2
Mohanad Naji Sahib
Metrics
H-Index
i10 Index
Citation Counts
15
19
691
Design
development and evaluation of pulmonary delivery system
colon targeting of active
Rankings
Ranking Based On Selection: 3
Shaymaa Abdalwahed Abdulameer
Metrics
H-Index
i10 Index
Citation Counts
14
15
580
Rankings
Ranking Based On Selection: 4
Adel A Al-Hemiri
Metrics
H-Index
i10 Index
Citation Counts
8
5
163
Rankings
Ranking Based On Selection: 5
Shaker Mahmood Alwan
Metrics
H-Index
i10 Index
Citation Counts
7
5
475
Medicinal chemistry (Synthesis of new antibacterials
antivirals
prodrugs)
Rankings
Ranking Based On Selection: 6
Abdulwahid Al-Shaibani
Metrics
H-Index
i10 Index
Citation Counts
6
5
139
Rankings
Ranking Based On Selection: 7
Amera Alkaisi
Metrics
H-Index
i10 Index
Citation Counts
6
4
130
Distraction osteogenesis
laser surgery
oral cancer
stem cells
biomaterials
Rankings
Ranking Based On Selection: 8
Ibrahim Al-Ani
Metrics
H-Index
i10 Index
Citation Counts
6
5
116
Rankings
Ranking Based On Selection: 9
Zuhair D Al-Shaikh
Metrics
H-Index
i10 Index
Citation Counts
6
5
122
Rankings
Ranking Based On Selection: 10
Abdul-Hassain
Metrics
H-Index
i10 Index
Citation Counts
6
3
136
embryology
zoology
ecology
Rankings
Ranking Based On Selection: 11
Fadhl Ahmed Saeed
Metrics
H-Index
i10 Index
Citation Counts
5
4
113
Rankings
Ranking Based On Selection: 12
Khalidah Alqayim
Metrics
H-Index
i10 Index
Citation Counts
5
5
154
bioenergy
clean energy
wood combustion
carbon capture
environment
Rankings
Ranking Based On Selection: 13
Ahmed Jubair Mahmood
Metrics
H-Index
i10 Index
Citation Counts
5
2
80
Rankings
Ranking Based On Selection: 14
Hala Naseer Abdelkareem
Metrics
H-Index
i10 Index
Citation Counts
4
3
108
Rankings
Ranking Based On Selection: 15
Hussam H Kadhum
Metrics
H-Index
i10 Index
Citation Counts
4
3
94
Rankings
Ranking Based On Selection: 16
Waleed Mohamed Saleh
Metrics
H-Index
i10 Index
Citation Counts
4
3
69
Rankings
Ranking Based On Selection: 17
Reem Mudar Hussien
Metrics
H-Index
i10 Index
Citation Counts
4
1
70
Applied Mathematics
Dynamical Systems
Biological Mathematic
Population dynamicss
Rankings
Ranking Based On Selection: 18
Jaafar Saatar Shia|J.S. Shia
Metrics
H-Index
i10 Index
Citation Counts
4
1
35
Rankings
Ranking Based On Selection: 19
Mona Alsafi
Metrics
H-Index
i10 Index
Citation Counts
4
2
76
Rankings
Ranking Based On Selection: 20
Sara Ali
Metrics
H-Index
i10 Index
Citation Counts
3
3
76
Rankings
Ranking Based On Selection: 21
Maryam H Shubbar
Metrics
H-Index
i10 Index
Citation Counts
3
3
70
Rankings
Ranking Based On Selection: 22
Thura Mohammed
Metrics
H-Index
i10 Index
Citation Counts
3
2
143
Antibacterial
Antioxidants
Cyanobacterial Spirulina
Environmental Health
Genetic Identification
Rankings
Ranking Based On Selection: 23
Omar Talal Hamid
Metrics
H-Index
i10 Index
Citation Counts
3
2
84
Internet of Things
Smart City
Embedded Systems
Web Developer
Rankings
Ranking Based On Selection: 24
Mohammed Hayder Hashim
Metrics
H-Index
i10 Index
Citation Counts
3
1
43
Nanotechnology
Nanoparticles
Rankings
Ranking Based On Selection: 25
اقتصاد اسلامي، مصارف اسلامية، وقف Islamicbanking & Economy
Waqf
Rankings
Ranking Based On Selection: 26
Massara Salam
Metrics
H-Index
i10 Index
Citation Counts
3
1
28
Rankings
Ranking Based On Selection: 27
Anwar Mohammed Lazm
Metrics
H-Index
i10 Index
Citation Counts
3
1
26
Rankings
Ranking Based On Selection: 28
Mahmood Al-Obaidi
Metrics
H-Index
i10 Index
Citation Counts
3
0
24
Rankings
Ranking Based On Selection: 29
Kafaa Alani
Metrics
H-Index
i10 Index
Citation Counts
3
1
46
Petroleum chemistry
pesticides
organic chemistry
Rankings
Ranking Based On Selection: 30
Akram Al-Abood
Metrics
H-Index
i10 Index
Citation Counts
3
1
30
Rankings
Ranking Based On Selection: 31
Dina Ahmed
Metrics
H-Index
i10 Index
Citation Counts
2
2
67
Rankings
Ranking Based On Selection: 32
Mahdi Salah Mahdi Al-İnizi
Metrics
H-Index
i10 Index
Citation Counts
2
2
51
Rankings
Ranking Based On Selection: 33
Dalia Falih
Metrics
H-Index
i10 Index
Citation Counts
2
1
23
Rankings
Ranking Based On Selection: 34
Ahmed Falih
Metrics
H-Index
i10 Index
Citation Counts
2
1
19
Rankings
Ranking Based On Selection: 35
Sheam Bahjat
Metrics
H-Index
i10 Index
Citation Counts
2
1
18
Rankings
Ranking Based On Selection: 36
Farah Tareq
Metrics
H-Index
i10 Index
Citation Counts
2
1
15
Rankings
Ranking Based On Selection: 37
Tawfik Ss Mahde
Metrics
H-Index
i10 Index
Citation Counts
2
0
15
phd dgree in laser and moleculare spectroscopy
Rankings
Ranking Based On Selection: 38
Abdulkareem O Ibadi
Metrics
H-Index
i10 Index
Citation Counts
2
0
14
Rankings
Ranking Based On Selection: 39
Yasameen F Azeez
Metrics
H-Index
i10 Index
Citation Counts
2
0
9
Rankings
Ranking Based On Selection: 40
Alaa Hussein Hassan
Metrics
H-Index
i10 Index
Citation Counts
2
0
6
Rankings
Ranking Based On Selection: 41
Asmaa Ghassan Sami
Metrics
H-Index
i10 Index
Citation Counts
2
0
6
sustainable structures
sustainable construction material
Rankings
Ranking Based On Selection: 42
Rand Abo Alward
Metrics
H-Index
i10 Index
Citation Counts
1
1
60
Rankings
Ranking Based On Selection: 43
Al-Hasani, Mohammed K
Metrics
H-Index
i10 Index
Citation Counts
1
1
42
Architecture
Urban design
Urban planning
Infrastructure planning
Rankings
Ranking Based On Selection: 44
Sarah I. Al-Mulla
Metrics
H-Index
i10 Index
Citation Counts
1
1
39
Biological Sciences
Cytotoxicity
Medicinal Plants
Antioxidants
Microbiology
Rankings
Ranking Based On Selection: 45
Sura M Abbas
Metrics
H-Index
i10 Index
Citation Counts
1
1
23
Rankings
Ranking Based On Selection: 46
Noor Muneer Mohmmed
Metrics
H-Index
i10 Index
Citation Counts
1
1
20
Rankings
Ranking Based On Selection: 47
Alaa Al-Shami
Metrics
H-Index
i10 Index
Citation Counts
1
1
16
Rankings
Ranking Based On Selection: 48
Walid Mustafa Khamas
Metrics
H-Index
i10 Index
Citation Counts
1
1
12
Rankings
Ranking Based On Selection: 49
Zaid Jaber Hamad
Metrics
H-Index
i10 Index
Citation Counts
1
1
10
Nursing
Health education
Community health
Occupational health
Infection control
Rankings
Ranking Based On Selection: 50
Saher Mohamed Al-Kaissi
Metrics
H-Index
i10 Index
Citation Counts
1
1
10
Rankings
Ranking Based On Selection: 51
Hasan Ali Neamah
Metrics
H-Index
i10 Index
Citation Counts
1
1
10
Petroleum engineering
well drilling technology
well bore stability
Drilling with casing
Managed pressure drilling technology
Rankings
Ranking Based On Selection: 52
Marwah Muwafaq Kadhim Alzaidi
Metrics
H-Index
i10 Index
Citation Counts
1
0
7
Rankings
Ranking Based On Selection: 53
Sara Ali Khalid
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Rankings
Ranking Based On Selection: 54
Aymen Petro
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Chemical engineering
petroleum refining
catalyst
model
matlab
Rankings
Ranking Based On Selection: 55
Asmaa G Sami
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Rankings
Ranking Based On Selection: 56
Hala Abbas
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Rankings
Ranking Based On Selection: 57
Adel H Othman
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
القانون الدولي العام، القانون الدولي الانساني، المنظمات الدولية
Rankings
Ranking Based On Selection: 58
Ahmed Sameer Y
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Structural Engineering
R.C Design
Finite Element Modeling
Rankings
Ranking Based On Selection: 59
Kanan Alhiti
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Rankings
Ranking Based On Selection: 60
Safa Riyadh Reda
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Rankings
Ranking Based On Selection: 61
Fatema Noori
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Rankings
Ranking Based On Selection: 62
Saadi Jawad Muslim
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
research in prevention of oral diseases and relation of psychology & dentistry