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" (870,053 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
Toshiyuki Kobayashi
mathematics
Lie theory
representation theory
discontinuous groups
Metrics
H-Index
i10 Index
Citation
43
106
6,398
* Rankings
Ranking Based On Selection: 3
Nakahiro Yoshida
Theoretical Statistics
Probability Theory
Metrics
H-Index
i10 Index
Citation
35
72
4,236
* Rankings
Ranking Based On Selection: 4
Yasuyuki Kawahigashi
Conformal Field Theory
Operator Algebras
Metrics
H-Index
i10 Index
Citation
26
48
3,229
* Rankings
Ranking Based On Selection: 5
Ralph Willox
mathematics
mathematical physics
integrable systems
mathematical modelling
Metrics
H-Index
i10 Index
Citation
24
57
2,289
* Rankings
Ranking Based On Selection: 6
Hisashi Inaba
structured population dynamics
epidemic models
mathematical demography
Metrics
H-Index
i10 Index
Citation
23
47
2,460
* Rankings
Ranking Based On Selection: 7
Kazushi Ueda
algebraic geometry
symplectic geometry
mathematical physics
Metrics
H-Index
i10 Index
Citation
23
46
1,535
* Rankings
Ranking Based On Selection: 8
Shunsuke Takagi
Commutative Algebra
Algebraic Geometry
Metrics
H-Index
i10 Index
Citation
21
29
1,324
* Rankings
Ranking Based On Selection: 9
Hitoshi Konno
Mathematical Physics
Quantum Groups
Representation Theory
Metrics
H-Index
i10 Index
Citation
21
36
1,578
* Rankings
Ranking Based On Selection: 10
Jianming Shi
Operational Research
Numerical Optimization
Metrics
H-Index
i10 Index
Citation
18
28
1,287

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

* Rankings
Ranking Based On Selection: 11
Ryuhei Miyashiro
Mathematical Programming
Optimization
Operations Research
Metrics
H-Index
i10 Index
Citation
17
24
1,173
* Rankings
Ranking Based On Selection: 12
Norikazu Saito
Numerical Analysis
Partial Differential Equations
Metrics
H-Index
i10 Index
Citation
16
20
942
* Rankings
Ranking Based On Selection: 14
Shonosuke Sugasawa
Bayesian statistics
Hierarchical modeling
Spatio-temporal statistics
Metrics
H-Index
i10 Index
Citation
13
22
604
* Rankings
Ranking Based On Selection: 16
Kengo Hirachi
Complex analysis
Differential geometry
Metrics
H-Index
i10 Index
Citation
13
16
772
* Rankings
Ranking Based On Selection: 22
Ramadhona Saville
Applied statistics
Data science
ICT in Agriculture and Fishery
Consumer behavior
Agribusiness
Metrics
H-Index
i10 Index
Citation
8
7
275
Xinchi Huang
偏微分方程式、逆問題、量子計算
Metrics
H-Index
i10 Index
Citation
7
7
162
Yasuaki Gyoda
cluster algebras
representation theory of algebras
Markov numbers
Metrics
H-Index
i10 Index
Citation
5
1
50
Maria Larsson
human-computer interaction
computational fabrication
geometry modeling
computer graphics
Metrics
H-Index
i10 Index
Citation
4
4
114
Takeo Kamizawa
Dynamical System
Open Quantum Systems
Number Theory
Metrics
H-Index
i10 Index
Citation
4
3
57
Masato Kitani
Mathematical Statistics
Computational Statistics
Metrics
H-Index
i10 Index
Citation
4
2
40
Kohei Hayashi
Stochastic Analysis
Statistical Physics
Mathematical Finance
Metrics
H-Index
i10 Index
Citation
4
0
26
Kento İchikawa
High-Energy Physics Theory
Noncommutative Geometry
Mathematical Physics
Network Science
Information Science
Metrics
H-Index
i10 Index
Citation
4
2
52
Ryosuke Nomura
Kähler geometry
differential geometry
algebraic geometry
Kähler-Ricci flow
Kähler cone metrics
Metrics
H-Index
i10 Index
Citation
3
1
39
Masashi Ieda
Mathematical Finance
Stochastic Control
Portfolio Optimization
Metrics
H-Index
i10 Index
Citation
3
0
18
Rinki Imada
Computational Geometry
Origami
Kinematics
Dynamical Systems
Metrics
H-Index
i10 Index
Citation
2
1
15
Rankings
Ranking Based On Selection: 1
Yoshikazu Giga
Metrics
H-Index
i10 Index
Citation Counts
57
189
16,500
Rankings
Ranking Based On Selection: 2
Toshiyuki Kobayashi
Metrics
H-Index
i10 Index
Citation Counts
43
106
6,398
mathematics
Lie theory
representation theory
discontinuous groups
Rankings
Ranking Based On Selection: 3
Nakahiro Yoshida
Metrics
H-Index
i10 Index
Citation Counts
35
72
4,236
Rankings
Ranking Based On Selection: 4
Yasuyuki Kawahigashi
Metrics
H-Index
i10 Index
Citation Counts
26
48
3,229
Rankings
Ranking Based On Selection: 5
Ralph Willox
Metrics
H-Index
i10 Index
Citation Counts
24
57
2,289
mathematics
mathematical physics
integrable systems
mathematical modelling
Rankings
Ranking Based On Selection: 6
Hisashi Inaba
Metrics
H-Index
i10 Index
Citation Counts
23
47
2,460
structured population dynamics
epidemic models
mathematical demography
Rankings
Ranking Based On Selection: 7
Kazushi Ueda
Metrics
H-Index
i10 Index
Citation Counts
23
46
1,535
algebraic geometry
symplectic geometry
mathematical physics
Rankings
Ranking Based On Selection: 8
Shunsuke Takagi
Metrics
H-Index
i10 Index
Citation Counts
21
29
1,324
Rankings
Ranking Based On Selection: 9
Hitoshi Konno
Metrics
H-Index
i10 Index
Citation Counts
21
36
1,578
Mathematical Physics
Quantum Groups
Representation Theory
Rankings
Ranking Based On Selection: 10
Jianming Shi
Metrics
H-Index
i10 Index
Citation Counts
18
28
1,287

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Ryuhei Miyashiro
Metrics
H-Index
i10 Index
Citation Counts
17
24
1,173
Mathematical Programming
Optimization
Operations Research
Rankings
Ranking Based On Selection: 12
Norikazu Saito
Metrics
H-Index
i10 Index
Citation Counts
16
20
942
Numerical Analysis
Partial Differential Equations
Rankings
Ranking Based On Selection: 13
Yoshinori Gongyo
Metrics
H-Index
i10 Index
Citation Counts
15
21
801
Rankings
Ranking Based On Selection: 14
Shonosuke Sugasawa
Metrics
H-Index
i10 Index
Citation Counts
13
22
604
Bayesian statistics
Hierarchical modeling
Spatio-temporal statistics
Rankings
Ranking Based On Selection: 15
Hiromichi Nagao
Metrics
H-Index
i10 Index
Citation Counts
13
19
610
Rankings
Ranking Based On Selection: 16
Kengo Hirachi
Metrics
H-Index
i10 Index
Citation Counts
13
16
772
Rankings
Ranking Based On Selection: 17
Seisho Sato
Metrics
H-Index
i10 Index
Citation Counts
13
14
682
Rankings
Ranking Based On Selection: 18
Makiko Sasada
Metrics
H-Index
i10 Index
Citation Counts
11
12
379
Rankings
Ranking Based On Selection: 19
Yusuke Nakamura
Metrics
H-Index
i10 Index
Citation Counts
9
7
240
Rankings
Ranking Based On Selection: 20
Kenta Hashizume
Metrics
H-Index
i10 Index
Citation Counts
8
7
236
Rankings
Ranking Based On Selection: 21
Hokuto Konno
Metrics
H-Index
i10 Index
Citation Counts
8
7
205
Rankings
Ranking Based On Selection: 22
Ramadhona Saville
Metrics
H-Index
i10 Index
Citation Counts
8
7
275
Applied statistics
Data science
ICT in Agriculture and Fishery
Consumer behavior
Agribusiness
Rankings
Ranking Based On Selection: 23
Xinchi Huang
Metrics
H-Index
i10 Index
Citation Counts
7
7
162
Rankings
Ranking Based On Selection: 24
Kento Osuga
Metrics
H-Index
i10 Index
Citation Counts
7
5
129
Rankings
Ranking Based On Selection: 25
Minq Kim
Metrics
H-Index
i10 Index
Citation Counts
5
2
99
Rankings
Ranking Based On Selection: 26
Masatoshi Kawai
Metrics
H-Index
i10 Index
Citation Counts
5
2
90
Rankings
Ranking Based On Selection: 27
Tomoyuki Nakagawa|中川 智之
Metrics
H-Index
i10 Index
Citation Counts
5
1
97
Rankings
Ranking Based On Selection: 28
Yasuaki Gyoda
Metrics
H-Index
i10 Index
Citation Counts
5
1
50
cluster algebras
representation theory of algebras
Markov numbers
Rankings
Ranking Based On Selection: 29
Toshiyuki Shimono|下野寿之
Metrics
H-Index
i10 Index
Citation Counts
5
3
227
Rankings
Ranking Based On Selection: 30
Maria Larsson
Metrics
H-Index
i10 Index
Citation Counts
4
4
114
human-computer interaction
computational fabrication
geometry modeling
computer graphics
Rankings
Ranking Based On Selection: 31
Takahiro Inayama
Metrics
H-Index
i10 Index
Citation Counts
4
3
82
Rankings
Ranking Based On Selection: 32
Takeo Kamizawa
Metrics
H-Index
i10 Index
Citation Counts
4
3
57
Dynamical System
Open Quantum Systems
Number Theory
Rankings
Ranking Based On Selection: 33
Masato Kitani
Metrics
H-Index
i10 Index
Citation Counts
4
2
40
Mathematical Statistics
Computational Statistics
Rankings
Ranking Based On Selection: 34
Kohei Hayashi
Metrics
H-Index
i10 Index
Citation Counts
4
0
26
Stochastic Analysis
Statistical Physics
Mathematical Finance
Rankings
Ranking Based On Selection: 35
Doman Takata
Metrics
H-Index
i10 Index
Citation Counts
4
1
28
Rankings
Ranking Based On Selection: 36
Kento İchikawa
Metrics
H-Index
i10 Index
Citation Counts
4
2
52
High-Energy Physics Theory
Noncommutative Geometry
Mathematical Physics
Network Science
Information Science
Rankings
Ranking Based On Selection: 37
Ryosuke Nomura
Metrics
H-Index
i10 Index
Citation Counts
3
1
39
Kähler geometry
differential geometry
algebraic geometry
Kähler-Ricci flow
Kähler cone metrics
Rankings
Ranking Based On Selection: 38
Masashi Ieda
Metrics
H-Index
i10 Index
Citation Counts
3
0
18
Mathematical Finance
Stochastic Control
Portfolio Optimization
Rankings
Ranking Based On Selection: 39
Rinki Imada
Metrics
H-Index
i10 Index
Citation Counts
2
1
15
Computational Geometry
Origami
Kinematics
Dynamical Systems
Rankings
Ranking Based On Selection: 40
Densuke Shiraishi
Metrics
H-Index
i10 Index
Citation Counts
2
0
9