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" (1,014,157 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
Hayder I Mohammed
Phase change materials (PCM) / Nanofluid / Boiling process /Themofluid / Mechanical Engineering
Metrics
H-Index
i10 Index
Citation
31
61
2,493
* Rankings
Ranking Based On Selection :2
Nadhim Hamah Sor
Civil Engineering
Construction Materials
Metrics
H-Index
i10 Index
Citation
21
29
1,474
* Rankings
Ranking Based On Selection :3
Shakhawan Al-Zangana
Liquid Crystals
2D Materials
Graphene
Ferroelectric Nanoparticle
Polymer Electrolyte
Metrics
H-Index
i10 Index
Citation
20
20
1,016
Pegah Seidi
Psychological Intervention
Mental Health
Women studies
Low and Middle Income Countries
Metrics
H-Index
i10 Index
Citation
8
6
217
Ghazi Bahroz Jumaa
Precast Concrete
Shear Strength and Behavior
Composite Materials (FRP)
Metrics
H-Index
i10 Index
Citation
6
5
274
Mohammed Y Shakor
Distributed Computing
Cloud Security
Big Data
Deep Learning
Blockchain
Metrics
H-Index
i10 Index
Citation
6
4
470
MI Khalil
Plant Biology
Plant Ecology
Phylogeny
Functional Ecology
Plant ecophysiology
Metrics
H-Index
i10 Index
Citation
5
4
1,446
Rankings
Ranking Based On Selection: 1
Hayder I Mohammed
Metrics
H-Index
i10 Index
Citation Counts
31
61
2,493
Phase change materials (PCM) / Nanofluid / Boiling process /Themofluid / Mechanical Engineering
Rankings
Ranking Based On Selection: 2
Nadhim Hamah Sor
Metrics
H-Index
i10 Index
Citation Counts
21
29
1,474
Rankings
Ranking Based On Selection: 3
Shakhawan Al-Zangana
Metrics
H-Index
i10 Index
Citation Counts
20
20
1,016
Liquid Crystals
2D Materials
Graphene
Ferroelectric Nanoparticle
Polymer Electrolyte
Rankings
Ranking Based On Selection: 4
Pegah Seidi
Metrics
H-Index
i10 Index
Citation Counts
8
6
217
Psychological Intervention
Mental Health
Women studies
Low and Middle Income Countries
Rankings
Ranking Based On Selection: 5
Ghazi Bahroz Jumaa
Metrics
H-Index
i10 Index
Citation Counts
6
5
274
Precast Concrete
Shear Strength and Behavior
Composite Materials (FRP)
Rankings
Ranking Based On Selection: 6
Mohammed Y Shakor
Metrics
H-Index
i10 Index
Citation Counts
6
4
470
Distributed Computing
Cloud Security
Big Data
Deep Learning
Blockchain
Rankings
Ranking Based On Selection: 7
MI Khalil
Metrics
H-Index
i10 Index
Citation Counts
5
4
1,446
Plant Biology
Plant Ecology
Phylogeny
Functional Ecology
Plant ecophysiology