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 :2
Ingibjörg Svala Jónsdóttir
Plant population ecology
moss-vascular plant interaction
plant-animal interaction
biodiversity in the Arctic
effects of climate change
Metrics
H-Index
i10 Index
Citation
51
96
13,321
* Rankings
Ranking Based On Selection :4
Bjarni D Sigurdsson
ecosystem ecology
climate change
land-use change
Metrics
H-Index
i10 Index
Citation
37
85
6,992
* Rankings
Ranking Based On Selection :9
Te Thorhallsdottir
plant ecology
conservation
climate change
arctic ecosystems
landscapes
Metrics
H-Index
i10 Index
Citation
15
17
919
* Rankings
Ranking Based On Selection :11
Noémie Boulanger Lapointe
Plant ecology
socio-ecological systems
environmental management
Metrics
H-Index
i10 Index
Citation
12
13
2,907
* Rankings
Ranking Based On Selection :12
Freydis Vigfusdottir
Marine Biology
Fisheries
Arctic Ecosystems
Marine Food-webs
Pelagic Environment
Metrics
H-Index
i10 Index
Citation
9
8
202
* Rankings
Ranking Based On Selection :13
Maartje Oostdijk
Fisheries
social-ecological systems
coastal ecosystems
ecological economics.
Metrics
H-Index
i10 Index
Citation
8
6
249
* Rankings
Ranking Based On Selection :14
Sigríður Sigurðardóttir
Fisheries Management
Simulation
Bio-economic Modeling
System Dynamics
Metrics
H-Index
i10 Index
Citation
7
7
349
* Rankings
Ranking Based On Selection :16
Siv Skar
Horticulture
environment technology
food production
Metrics
H-Index
i10 Index
Citation
3
3
246
Adriana Binimelis
antropología
educación infantil
educación waldorf
desarrollo y sustentabilidad
forestry.
Metrics
H-Index
i10 Index
Citation
3
2
43
Rankings
Ranking Based On Selection: 1
Steven Campana
Metrics
H-Index
i10 Index
Citation Counts
81
194
32,139
Rankings
Ranking Based On Selection: 2
Ingibjörg Svala Jónsdóttir
Metrics
H-Index
i10 Index
Citation Counts
51
96
13,321
Plant population ecology
moss-vascular plant interaction
plant-animal interaction
biodiversity in the Arctic
effects of climate change
Rankings
Ranking Based On Selection: 3
Olafur Arnalds
Metrics
H-Index
i10 Index
Citation Counts
44
84
5,499
Rankings
Ranking Based On Selection: 4
Bjarni D Sigurdsson
Metrics
H-Index
i10 Index
Citation Counts
37
85
6,992
ecosystem ecology
climate change
land-use change
Rankings
Ranking Based On Selection: 5
Sigridur Gudmundsdottir
Metrics
H-Index
i10 Index
Citation Counts
35
62
4,368
Rankings
Ranking Based On Selection: 6
Kesara Anamthawat Jonsson
Metrics
H-Index
i10 Index
Citation Counts
33
77
4,751
Rankings
Ranking Based On Selection: 7
Isabel C Barrio
Metrics
H-Index
i10 Index
Citation Counts
31
56
2,862
Rankings
Ranking Based On Selection: 8
Jon Hallsteinn Hallsson
Metrics
H-Index
i10 Index
Citation Counts
20
26
1,726
Rankings
Ranking Based On Selection: 9
Te Thorhallsdottir
Metrics
H-Index
i10 Index
Citation Counts
15
17
919
plant ecology
conservation
climate change
arctic ecosystems
landscapes
Rankings
Ranking Based On Selection: 10
Erla Sturludóttir
Metrics
H-Index
i10 Index
Citation Counts
13
15
534
Rankings
Ranking Based On Selection: 11
Noémie Boulanger Lapointe
Metrics
H-Index
i10 Index
Citation Counts
12
13
2,907
Plant ecology
socio-ecological systems
environmental management
Rankings
Ranking Based On Selection: 12
Freydis Vigfusdottir
Metrics
H-Index
i10 Index
Citation Counts
9
8
202
Marine Biology
Fisheries
Arctic Ecosystems
Marine Food-webs
Pelagic Environment
Rankings
Ranking Based On Selection: 13
Maartje Oostdijk
Metrics
H-Index
i10 Index
Citation Counts
8
6
249
Fisheries
social-ecological systems
coastal ecosystems
ecological economics.
Rankings
Ranking Based On Selection: 14
Sigríður Sigurðardóttir
Metrics
H-Index
i10 Index
Citation Counts
7
7
349
Fisheries Management
Simulation
Bio-economic Modeling
System Dynamics
Rankings
Ranking Based On Selection: 15
Hrannar Smári Hilmarsson
Metrics
H-Index
i10 Index
Citation Counts
4
4
134
Rankings
Ranking Based On Selection: 16
Siv Skar
Metrics
H-Index
i10 Index
Citation Counts
3
3
246
Horticulture
environment technology
food production
Rankings
Ranking Based On Selection: 17
Adriana Binimelis
Metrics
H-Index
i10 Index
Citation Counts
3
2
43
antropología
educación infantil
educación waldorf
desarrollo y sustentabilidad
forestry.