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" (873,864 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
Ajay Singh
Organic
physical
polymer
environmental chemistry
Metrics
H-Index
i10 Index
Citation
28
118
4,983
* Rankings
Ranking Based On Selection :2
Waseem Ahmad
Materials Chemistry
Green Chemistry
Photochemistry
Water Remediation
Metrics
H-Index
i10 Index
Citation
18
31
1,414
Amit Semwal
Medicinal Chemistry
Phytochemistry
Pharmacognosy
Metrics
H-Index
i10 Index
Citation
11
12
347
Amit Anthwal
Organic Synthesis and Medicinal Chemistry
Metrics
H-Index
i10 Index
Citation
7
5
216
Poonam Negi
Natural Product-Chemistry
Biopesticides
nanotechnology
Metrics
H-Index
i10 Index
Citation
7
4
153
Bharti Ramola
water chemistry
environmental chemistry
hydroponics
biodiesel
Metrics
H-Index
i10 Index
Citation
4
4
227
Rankings
Ranking Based On Selection: 1
Ajay Singh
Metrics
H-Index
i10 Index
Citation Counts
28
118
4,983
Organic
physical
polymer
environmental chemistry
Rankings
Ranking Based On Selection: 2
Waseem Ahmad
Metrics
H-Index
i10 Index
Citation Counts
18
31
1,414
Materials Chemistry
Green Chemistry
Photochemistry
Water Remediation
Rankings
Ranking Based On Selection: 3
Mohd Amin Mir
Metrics
H-Index
i10 Index
Citation Counts
13
19
1,017
Rankings
Ranking Based On Selection: 4
Shalini Upadhyay
Metrics
H-Index
i10 Index
Citation Counts
13
16
933
Rankings
Ranking Based On Selection: 5
Amit Semwal
Metrics
H-Index
i10 Index
Citation Counts
11
12
347
Medicinal Chemistry
Phytochemistry
Pharmacognosy
Rankings
Ranking Based On Selection: 6
Amit Anthwal
Metrics
H-Index
i10 Index
Citation Counts
7
5
216
Rankings
Ranking Based On Selection: 7
Poonam Negi
Metrics
H-Index
i10 Index
Citation Counts
7
4
153
Natural Product-Chemistry
Biopesticides
nanotechnology
Rankings
Ranking Based On Selection: 8
Bharti Ramola
Metrics
H-Index
i10 Index
Citation Counts
4
4
227
water chemistry
environmental chemistry
hydroponics
biodiesel
Rankings
Ranking Based On Selection: 9
Shivangi Omer
Metrics
H-Index
i10 Index
Citation Counts
4
1
143