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" (873,688 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
Svein Olaf Dahl
Glaciers
ice-age history
Holocene
palaeoclimate
physical geography
Metrics
H-Index
i10 Index
Citation
50
78
7,519
* Rankings
Ranking Based On Selection: 2
Ole R Vetaas
Biodiversity
himalaya
forest
niche
introduced species
Metrics
H-Index
i10 Index
Citation
37
76
7,049
* Rankings
Ranking Based On Selection: 3
Håvard Haarstad
Climate change
cities
local action
urban planning
energy transitions
Metrics
H-Index
i10 Index
Citation
30
58
3,281
* Rankings
Ranking Based On Selection: 4
Connor Joseph Cavanagh
Environmental governance
Conservation
Global environmental change
Agrarian studies
Political ecology
Metrics
H-Index
i10 Index
Citation
21
27
2,425
* Rankings
Ranking Based On Selection: 5
Kristian Vasskog
Physical geography
Quaternary geology
palaeoclimate
tsunami
geohazards
Metrics
H-Index
i10 Index
Citation
14
14
671
Rankings
Ranking Based On Selection: 1
Svein Olaf Dahl
Metrics
H-Index
i10 Index
Citation Counts
50
78
7,519
Glaciers
ice-age history
Holocene
palaeoclimate
physical geography
Rankings
Ranking Based On Selection: 2
Ole R Vetaas
Metrics
H-Index
i10 Index
Citation Counts
37
76
7,049
Biodiversity
himalaya
forest
niche
introduced species
Rankings
Ranking Based On Selection: 3
Håvard Haarstad
Metrics
H-Index
i10 Index
Citation Counts
30
58
3,281
Climate change
cities
local action
urban planning
energy transitions
Rankings
Ranking Based On Selection: 4
Connor Joseph Cavanagh
Metrics
H-Index
i10 Index
Citation Counts
21
27
2,425
Environmental governance
Conservation
Global environmental change
Agrarian studies
Political ecology
Rankings
Ranking Based On Selection: 5
Kristian Vasskog
Metrics
H-Index
i10 Index
Citation Counts
14
14
671
Physical geography
Quaternary geology
palaeoclimate
tsunami
geohazards