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" (941,641 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: 2
Yehya Ahmad
Chemistry
nanomaterials
Heavy metals
Adsorption
Metrics
H-Index
i10 Index
Citation
10
10
744
* Rankings
Ranking Based On Selection: 4
Muhaned Zaidi
Analog design
Operational amplifier
Integrated circuits
Engineering Physics
Metrics
H-Index
i10 Index
Citation
8
8
269

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* Rankings
Ranking Based On Selection: 13
Hussein Al-Nasrawi
Mycology . medical fungi
Mycotechnology
Fungal Taxonomy
Biodegradation
Bioremediation
Metrics
H-Index
i10 Index
Citation
4
2
245
* Rankings
Ranking Based On Selection: 21
Ousama Aziz Ibrahim
Periodontology
Dental implant
Infection control in dentistry
Ethics in dental research
Metrics
H-Index
i10 Index
Citation
2
1
49
Rankings
Ranking Based On Selection: 2
Yehya Ahmad
Metrics
H-Index
i10 Index
Citation Counts
10
10
744
Chemistry
nanomaterials
Heavy metals
Adsorption
Rankings
Ranking Based On Selection: 3
Hamid.Gaffoori Hasan
Metrics
H-Index
i10 Index
Citation Counts
9
9
177
Rankings
Ranking Based On Selection: 4
Muhaned Zaidi
Metrics
H-Index
i10 Index
Citation Counts
8
8
269
Analog design
Operational amplifier
Integrated circuits
Engineering Physics
Rankings
Ranking Based On Selection: 5
Baidaa Al-Saadi
Metrics
H-Index
i10 Index
Citation Counts
7
6
296
Rankings
Ranking Based On Selection: 6
Baydaa Abed Hussein
Metrics
H-Index
i10 Index
Citation Counts
7
6
288
neuroscience
animal physiology
Rankings
Ranking Based On Selection: 8
Wisam Thamer Al-Mayah
Metrics
H-Index
i10 Index
Citation Counts
6
2
63
Biology Ecology Human Health Risk Assessment
Rankings
Ranking Based On Selection: 9
Ahmed Kateb|Al-Nussairi Ahmed Kateb Jumaah
Metrics
H-Index
i10 Index
Citation Counts
5
5
111
Rankings
Ranking Based On Selection: 10
Roua Abulkassim
Metrics
H-Index
i10 Index
Citation Counts
5
2
72

Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.

Rankings
Ranking Based On Selection: 11
Ahmed Zheoat
Metrics
H-Index
i10 Index
Citation Counts
4
4
183
Rankings
Ranking Based On Selection: 12
Noor Abass Humood
Metrics
H-Index
i10 Index
Citation Counts
4
3
48
Rankings
Ranking Based On Selection: 13
Hussein Al-Nasrawi
Metrics
H-Index
i10 Index
Citation Counts
4
2
245
Mycology . medical fungi
Mycotechnology
Fungal Taxonomy
Biodegradation
Bioremediation
Rankings
Ranking Based On Selection: 14
Suhair Kamoona
Metrics
H-Index
i10 Index
Citation Counts
4
2
73
Rankings
Ranking Based On Selection: 15
Mahran Arraj
Metrics
H-Index
i10 Index
Citation Counts
3
3
76
Rankings
Ranking Based On Selection: 16
Mohammed Allami
Metrics
H-Index
i10 Index
Citation Counts
3
3
54
Rankings
Ranking Based On Selection: 17
Mohammed M. Abdulkadhm
Metrics
H-Index
i10 Index
Citation Counts
3
2
94
Rankings
Ranking Based On Selection: 18
Mudher Khudhur
Metrics
H-Index
i10 Index
Citation Counts
3
1
56
Rankings
Ranking Based On Selection: 19
Namaa Sameir
Metrics
H-Index
i10 Index
Citation Counts
3
1
39
Rankings
Ranking Based On Selection: 20
Mohammed Sabeeh Majeed
Metrics
H-Index
i10 Index
Citation Counts
3
1
37
Rankings
Ranking Based On Selection: 21
Ousama Aziz Ibrahim
Metrics
H-Index
i10 Index
Citation Counts
2
1
49
Periodontology
Dental implant
Infection control in dentistry
Ethics in dental research
Rankings
Ranking Based On Selection: 22
Ahmed Mohammed Abid Al-Asady
Metrics
H-Index
i10 Index
Citation Counts
2
1
43
Medical imaging
Dosimetry
Radiation Physics
Rankings
Ranking Based On Selection: 24
Mohanad Salim
Metrics
H-Index
i10 Index
Citation Counts
2
0
13
Rankings
Ranking Based On Selection: 26
Amjed Kadhim
Metrics
H-Index
i10 Index
Citation Counts
1
1
110
Rankings
Ranking Based On Selection: 27
Kahtan A Askar
Metrics
H-Index
i10 Index
Citation Counts
1
1
45
Rankings
Ranking Based On Selection: 28
Hoda Basem Al Lami
Metrics
H-Index
i10 Index
Citation Counts
1
1
33
Rankings
Ranking Based On Selection: 29
Wisam Thamer
Metrics
H-Index
i10 Index
Citation Counts
1
1
11
Rankings
Ranking Based On Selection: 30
Noor Al Huda Salah Al Zuhairy
Metrics
H-Index
i10 Index
Citation Counts
1
0
8
Rankings
Ranking Based On Selection: 32
Rawa'A Ali Kushaish
Metrics
H-Index
i10 Index
Citation Counts
0
0
0
Phytochemistry
Biochemistry
Medicinal Chemistry