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
Deliang Chen
regional climate change
downscaling
Third Pole
water balance
earth system science
Metrics
H-Index
i10 Index
Citation
98
470
50,639
* Rankings
Ranking Based On Selection :2
Thomas Backhaus
Environmental Sciences
Chemical Risk Assessment
Ecotoxicology
Mixture Toxicity
Metrics
H-Index
i10 Index
Citation
57
125
15,593
Peter Molnár
Air pollution
Fine particles
wood smoke
Elemental analysis
Personal exposure
Metrics
H-Index
i10 Index
Citation
26
39
2,191
Annemieke Gärdenäs
environmental sciences
soil science
biogeochemistry
biogeophysics
process-oriented modelling
Metrics
H-Index
i10 Index
Citation
26
36
3,260
Laith Hussain-Alkhateeb
Global Health
Epidemiology
Surveillance
Climate Change
Verbal Autopsy
Metrics
H-Index
i10 Index
Citation
18
27
1,479
Daniel Slunge
Environmmetal economics
Risk analysis
Chemical pollution
Vector-borne diseases
Metrics
H-Index
i10 Index
Citation
18
25
1,498
Rankings
Ranking Based On Selection: 1
Deliang Chen
Metrics
H-Index
i10 Index
Citation Counts
98
470
50,639
regional climate change
downscaling
Third Pole
water balance
earth system science
Rankings
Ranking Based On Selection: 2
Thomas Backhaus
Metrics
H-Index
i10 Index
Citation Counts
57
125
15,593
Environmental Sciences
Chemical Risk Assessment
Ecotoxicology
Mixture Toxicity
Rankings
Ranking Based On Selection: 3
Gunnar Köhlin
Metrics
H-Index
i10 Index
Citation Counts
40
65
7,833
Rankings
Ranking Based On Selection: 4
Peter Molnár
Metrics
H-Index
i10 Index
Citation Counts
26
39
2,191
Air pollution
Fine particles
wood smoke
Elemental analysis
Personal exposure
Rankings
Ranking Based On Selection: 5
Annemieke Gärdenäs
Metrics
H-Index
i10 Index
Citation Counts
26
36
3,260
environmental sciences
soil science
biogeochemistry
biogeophysics
process-oriented modelling
Rankings
Ranking Based On Selection: 6
Tinghai Ou
Metrics
H-Index
i10 Index
Citation Counts
25
46
2,335
Rankings
Ranking Based On Selection: 7
Laith Hussain-Alkhateeb
Metrics
H-Index
i10 Index
Citation Counts
18
27
1,479
Global Health
Epidemiology
Surveillance
Climate Change
Verbal Autopsy
Rankings
Ranking Based On Selection: 8
Daniel Slunge
Metrics
H-Index
i10 Index
Citation Counts
18
25
1,498
Environmmetal economics
Risk analysis
Chemical pollution
Vector-borne diseases
Rankings
Ranking Based On Selection: 9
Shaikh Mohd Kashif
Metrics
H-Index
i10 Index
Citation Counts
8
8
267
Rankings
Ranking Based On Selection: 10
Oskar Hagvall Svensson
Metrics
H-Index
i10 Index
Citation Counts
6
5
315
Rankings
Ranking Based On Selection: 11
Fatemeh Khosravitabar
Metrics
H-Index
i10 Index
Citation Counts
5
4
134
Rankings
Ranking Based On Selection: 12
Anne-Sophie Quatela
Metrics
H-Index
i10 Index
Citation Counts
2
1
13