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" (888,752 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
R Sahadevan
Nonlinear Ordinary Differential Equations
Integrable systems
Fractional Differential Equations
Nonlinear Partial Differential
Metrics
H-Index
i10 Index
Citation
24
39
2,270
* Rankings
Ranking Based On Selection: 3
K Kaliraj
Graph Theory
Fractional Calculus
Control Theory
Dynamical System
Metrics
H-Index
i10 Index
Citation
12
15
499
Tamilselvi Annamalai
Algebra
Combinatorial representation theory
graph theory
Metrics
H-Index
i10 Index
Citation
2
0
15
Rankings
Ranking Based On Selection: 1
R Sahadevan
Metrics
H-Index
i10 Index
Citation Counts
24
39
2,270
Nonlinear Ordinary Differential Equations
Integrable systems
Fractional Differential Equations
Nonlinear Partial Differential
Rankings
Ranking Based On Selection: 2
M Pitchaimani
Metrics
H-Index
i10 Index
Citation Counts
17
30
832
Rankings
Ranking Based On Selection: 3
K Kaliraj
Metrics
H-Index
i10 Index
Citation Counts
12
15
499
Graph Theory
Fractional Calculus
Control Theory
Dynamical System
Rankings
Ranking Based On Selection: 4
Suresh Subramanian
Metrics
H-Index
i10 Index
Citation Counts
4
2
44
Rankings
Ranking Based On Selection: 5
Parthasarathi R
Metrics
H-Index
i10 Index
Citation Counts
3
1
25
Rankings
Ranking Based On Selection: 6
Tamilselvi Annamalai
Metrics
H-Index
i10 Index
Citation Counts
2
0
15
Algebra
Combinatorial representation theory
graph theory