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
Tuula Tuhkanen
water quality
drinking water
wastewater
risk assessment
water treatment
Metrics
H-Index
i10 Index
Citation
44
80
8,729
Tiina Onkila
Environmental management
sustainability
rhetoric
stakeholder
Metrics
H-Index
i10 Index
Citation
17
20
1,389
Pius Kinoti Kairigo
Environmental Analytics
Environmental remediation
Mass spectrometry
circular Economy
Metrics
H-Index
i10 Index
Citation
11
11
600
Salme Kärkkäinen
classification methods
environmental statistics
spatial statistics
mixed models
Metrics
H-Index
i10 Index
Citation
11
13
369
Rankings
Ranking Based On Selection: 1
Tuula Tuhkanen
Metrics
H-Index
i10 Index
Citation Counts
44
80
8,729
water quality
drinking water
wastewater
risk assessment
water treatment
Rankings
Ranking Based On Selection: 2
Markku Kuitunen
Metrics
H-Index
i10 Index
Citation Counts
37
65
4,992
Rankings
Ranking Based On Selection: 3
Tiina Onkila
Metrics
H-Index
i10 Index
Citation Counts
17
20
1,389
Environmental management
sustainability
rhetoric
stakeholder
Rankings
Ranking Based On Selection: 4
Pius Kinoti Kairigo
Metrics
H-Index
i10 Index
Citation Counts
11
11
600
Environmental Analytics
Environmental remediation
Mass spectrometry
circular Economy
Rankings
Ranking Based On Selection: 5
Salme Kärkkäinen
Metrics
H-Index
i10 Index
Citation Counts
11
13
369
classification methods
environmental statistics
spatial statistics
mixed models
Rankings
Ranking Based On Selection: 6
Paulina A Arancibia
Metrics
H-Index
i10 Index
Citation Counts
4
4
94
Rankings
Ranking Based On Selection: 7
Lisandrina Mari
Metrics
H-Index
i10 Index
Citation Counts
3
2
34