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" (873,690 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
Ray Norris
Astrophysics
Data Science
Aboriginal Astronomy
Metrics
H-Index
i10 Index
Citation
74
297
19,993
* Rankings
Ranking Based On Selection: 2
Filipovic Miroslav
Astronomy
Astrophysics
Physics
Astrobiology
Metrics
H-Index
i10 Index
Citation
50
213
10,408
* Rankings
Ranking Based On Selection: 3
Nick Tothill
Astronomy
Astrophysics
Observational Astronomy
Antarctic Astronomy
Metrics
H-Index
i10 Index
Citation
37
96
5,387
Jordan D Collier
Radio Astronomy
Astronomy
Astrophysics
Metrics
H-Index
i10 Index
Citation
31
59
3,344
Ain De Horta
Astronomy and Astrophisics
Networking and Data Comunications
SETI
Metrics
H-Index
i10 Index
Citation
21
34
1,002
Andrew D Cheetham
plasma physics
instrumentation
nuclear fusion
plasma processing
research
Metrics
H-Index
i10 Index
Citation
15
23
1,375
Rankings
Ranking Based On Selection: 1
Ray Norris
Metrics
H-Index
i10 Index
Citation Counts
74
297
19,993
Astrophysics
Data Science
Aboriginal Astronomy
Rankings
Ranking Based On Selection: 2
Filipovic Miroslav
Metrics
H-Index
i10 Index
Citation Counts
50
213
10,408
Astronomy
Astrophysics
Physics
Astrobiology
Rankings
Ranking Based On Selection: 3
Nick Tothill
Metrics
H-Index
i10 Index
Citation Counts
37
96
5,387
Astronomy
Astrophysics
Observational Astronomy
Antarctic Astronomy
Rankings
Ranking Based On Selection: 4
Jordan D Collier
Metrics
H-Index
i10 Index
Citation Counts
31
59
3,344
Radio Astronomy
Astronomy
Astrophysics
Rankings
Ranking Based On Selection: 5
Luke Barnes
Metrics
H-Index
i10 Index
Citation Counts
26
43
6,413
Rankings
Ranking Based On Selection: 6
Ain De Horta
Metrics
H-Index
i10 Index
Citation Counts
21
34
1,002
Astronomy and Astrophisics
Networking and Data Comunications
SETI
Rankings
Ranking Based On Selection: 7
Ivan Bojicic
Metrics
H-Index
i10 Index
Citation Counts
19
30
1,211
Rankings
Ranking Based On Selection: 8
Andrew D Cheetham
Metrics
H-Index
i10 Index
Citation Counts
15
23
1,375
plasma physics
instrumentation
nuclear fusion
plasma processing
research