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 rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,296 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 3
Shin-İchiro Kato
共役電子系,自己集合体,蛍光色素,酸化還元�
Metrics
 
H-Index
i10 Index
Citation
24
39
2,145
* Rankings
Ranking Based On Selection: 6
Masahiro Maruo
Aquatic Chemistry
Limnology
Geochemistry
Analytical Chemistr
Metrics
 
H-Index
i10 Index
Citation
18
29
951
* Rankings
Ranking Based On Selection: 7
Shohei Ida
hydrogels
living polymerization
stimuli-responsive polymer
Metrics
 
H-Index
i10 Index
Citation
15
24
852
* Rankings
Ranking Based On Selection: 10
Hiroto Shiraki
energy system modeling
climate mitigatio
Metrics
 
H-Index
i10 Index
Citation
13
15
756
* Rankings
Ranking Based On Selection: 11
Kazumasa Suzuki
Sol-Gel
Nanocomposite
Carbon dots
Self-Assembly
Fil
Metrics
 
H-Index
i10 Index
Citation
13
15
637
* Rankings
Ranking Based On Selection: 12
Xin Liu
limnology
ecology
population dynamics
environmental engineerin
Metrics
 
H-Index
i10 Index
Citation
13
14
450
* Rankings
Ranking Based On Selection: 13
Takuya Takahashi
Natural Resource and Environmental Economics
Corporate Environmentalis
Metrics
 
H-Index
i10 Index
Citation
12
13
1,009
* Rankings
Ranking Based On Selection: 18
皆川 明子
農業工学、水田生態工学、保全生態�
Metrics
 
H-Index
i10 Index
Citation
7
5
140
* Rankings
Ranking Based On Selection: 20
Jean-Baptiste Mb Sanfo
Education development Economics of Education School effectiveness HLM AI in educatio
Metrics
 
H-Index
i10 Index
Citation
6
6
145
* Rankings
Ranking Based On Selection: 21
Walter Klinger
EFL
film
movies
speech spee
Metrics
 
H-Index
i10 Index
Citation
6
2
79
* Rankings
Ranking Based On Selection: 24
Morii Kiyohito (森井清仁)
生態学、行動生態学、保全生態�
Metrics
 
H-Index
i10 Index
Citation
4
0
44
Rankings
Ranking Based On Selection: 1
Naoya Nakai
Metrics
 
H-Index
i10 Index
Citation Counts
34
76
5,227
Rankings
Ranking Based On Selection: 2
Osamu Sakai
Metrics
 
H-Index
i10 Index
Citation Counts
28
60
3,997
Rankings
Ranking Based On Selection: 3
Shin-İchiro Kato
Metrics
 
H-Index
i10 Index
Citation Counts
24
39
2,145
共役電子系,自己集合体,蛍光色素,酸化還元�
Rankings
Ranking Based On Selection: 4
Hiroki Takeshita
Metrics
 
H-Index
i10 Index
Citation Counts
24
43
1,610
Rankings
Ranking Based On Selection: 5
Koh-İchi Takakura
Metrics
 
H-Index
i10 Index
Citation Counts
21
32
1,471
Rankings
Ranking Based On Selection: 6
Masahiro Maruo
Metrics
 
H-Index
i10 Index
Citation Counts
18
29
951
Rankings
Ranking Based On Selection: 7
Shohei Ida
Metrics
 
H-Index
i10 Index
Citation Counts
15
24
852
hydrogels
living polymerization
stimuli-responsive polymer
Rankings
Ranking Based On Selection: 8
Ken Ichi Osaka
Metrics
 
H-Index
i10 Index
Citation Counts
14
16
626
Rankings
Ranking Based On Selection: 9
Shin Ichi Sakamoto
Metrics
 
H-Index
i10 Index
Citation Counts
14
17
659
Rankings
Ranking Based On Selection: 10
Hiroto Shiraki
Metrics
 
H-Index
i10 Index
Citation Counts
13
15
756
energy system modeling
climate mitigatio
Rankings
Ranking Based On Selection: 11
Kazumasa Suzuki
Metrics
 
H-Index
i10 Index
Citation Counts
13
15
637
Sol-Gel
Nanocomposite
Carbon dots
Self-Assembly
Fil
Rankings
Ranking Based On Selection: 12
Xin Liu
Metrics
 
H-Index
i10 Index
Citation Counts
13
14
450
Rankings
Ranking Based On Selection: 13
Takuya Takahashi
Metrics
 
H-Index
i10 Index
Citation Counts
12
13
1,009
Natural Resource and Environmental Economics
Corporate Environmentalis
Rankings
Ranking Based On Selection: 14
Shigeko Kimura
Metrics
 
H-Index
i10 Index
Citation Counts
10
10
300
Rankings
Ranking Based On Selection: 15
Yuusuke Sugiyama
Metrics
 
H-Index
i10 Index
Citation Counts
9
9
189
Rankings
Ranking Based On Selection: 16
Yamada Ayumi
Metrics
 
H-Index
i10 Index
Citation Counts
8
8
254
Rankings
Ranking Based On Selection: 17
Toshinori Yasuzawa
Metrics
 
H-Index
i10 Index
Citation Counts
7
6
232
Rankings
Ranking Based On Selection: 18
皆川 明子
Metrics
 
H-Index
i10 Index
Citation Counts
7
5
140
農業工学、水田生態工学、保全生態�
Rankings
Ranking Based On Selection: 19
Kazuma Murakami|村上一真
Metrics
 
H-Index
i10 Index
Citation Counts
7
3
134
Rankings
Ranking Based On Selection: 20
Jean-Baptiste Mb Sanfo
Metrics
 
H-Index
i10 Index
Citation Counts
6
6
145
Education development Economics of Education School effectiveness HLM AI in educatio
Rankings
Ranking Based On Selection: 21
Walter Klinger
Metrics
 
H-Index
i10 Index
Citation Counts
6
2
79
EFL
film
movies
speech spee
Rankings
Ranking Based On Selection: 22
Karin Tsuchida
Metrics
 
H-Index
i10 Index
Citation Counts
5
1
38
Rankings
Ranking Based On Selection: 23
山根浩二
Metrics
 
H-Index
i10 Index
Citation Counts
5
1
196
Rankings
Ranking Based On Selection: 24
Morii Kiyohito (森井清仁)
Metrics
 
H-Index
i10 Index
Citation Counts
4
0
44
生態学、行動生態学、保全生態�
Rankings
Ranking Based On Selection: 25
Most. Fahima Ahmed Anny
Metrics
 
H-Index
i10 Index
Citation Counts
3
1
30