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" (873,690 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
Thomas Dietz
climate change
human ecology
environmental sociology
macro energy systems
Metrics
H-Index
i10 Index
Citation
99
211
111,265
* Rankings
Ranking Based On Selection: 2
Rebecca Campbell
gender-based violence (sexual assault)
mixed methods
program evaluation
Metrics
H-Index
i10 Index
Citation
73
161
24,109
* Rankings
Ranking Based On Selection: 3
Lawrence Busch
Standards
biotechnology policy
neoliberalism
higher education
Metrics
H-Index
i10 Index
Citation
49
114
12,538
Keith N Hampton
Sociology
Social Networks
Communication
Urban Studies
Social Capital
Metrics
H-Index
i10 Index
Citation
44
64
17,831
Hui Liu
Population health
family and marriage
bio-demography of aging
LGBT population and sexuality
quantitative methods
Metrics
H-Index
i10 Index
Citation
38
61
6,424
Steven Gold
International Migration
Ethnic Economies
Ethnic Communities
Qualitative Methods
Metrics
H-Index
i10 Index
Citation
34
61
6,383
Zhenmei Zhang
Health Disparities
Family and Health
Aging and Health in China
Early Life Environment and
Metrics
H-Index
i10 Index
Citation
30
40
3,632
Sandy Marquart Pyatt
methodology
public opinion and behavior
comparative social change
climate change
nature-society
Metrics
H-Index
i10 Index
Citation
28
44
3,715
* Rankings
Ranking Based On Selection: 10
Stephen Gasteyer
Sociology
Environmental Justice
Sustainability
Community Capitals
Metrics
H-Index
i10 Index
Citation
24
37
3,622

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* Rankings
Ranking Based On Selection: 11
Xuefei Ren
Urban Studies
International Development
Metrics
H-Index
i10 Index
Citation
22
30
2,444
* Rankings
Ranking Based On Selection: 12
Stephanie J Nawyn
Migration
gender
forced migration
citizenship
adaptation and exclusion
Metrics
H-Index
i10 Index
Citation
21
29
2,952
* Rankings
Ranking Based On Selection: 13
Craig Harris
environmental sociology
sociology of food and agriculture
fisheries
Metrics
H-Index
i10 Index
Citation
21
30
1,959
Soma Chaudhuri
gender
violence
social movements
development
India
Metrics
H-Index
i10 Index
Citation
14
14
782
Brendan Mullan
International Migration
Globalization
Inequality
Metrics
H-Index
i10 Index
Citation
8
8
1,077
Philip J Pettis
Medical Sociology
Sexualities
Social Networks
Stratification
Metrics
H-Index
i10 Index
Citation
4
4
115
Rankings
Ranking Based On Selection: 1
Thomas Dietz
Metrics
H-Index
i10 Index
Citation Counts
99
211
111,265
climate change
human ecology
environmental sociology
macro energy systems
Rankings
Ranking Based On Selection: 2
Rebecca Campbell
Metrics
H-Index
i10 Index
Citation Counts
73
161
24,109
gender-based violence (sexual assault)
mixed methods
program evaluation
Rankings
Ranking Based On Selection: 3
Lawrence Busch
Metrics
H-Index
i10 Index
Citation Counts
49
114
12,538
Standards
biotechnology policy
neoliberalism
higher education
Rankings
Ranking Based On Selection: 4
Keith N Hampton
Metrics
H-Index
i10 Index
Citation Counts
44
64
17,831
Sociology
Social Networks
Communication
Urban Studies
Social Capital
Rankings
Ranking Based On Selection: 5
Linda Kalof
Metrics
H-Index
i10 Index
Citation Counts
42
59
18,882
Rankings
Ranking Based On Selection: 6
Hui Liu
Metrics
H-Index
i10 Index
Citation Counts
38
61
6,424
Population health
family and marriage
bio-demography of aging
LGBT population and sexuality
quantitative methods
Rankings
Ranking Based On Selection: 7
Steven Gold
Metrics
H-Index
i10 Index
Citation Counts
34
61
6,383
International Migration
Ethnic Economies
Ethnic Communities
Qualitative Methods
Rankings
Ranking Based On Selection: 8
Zhenmei Zhang
Metrics
H-Index
i10 Index
Citation Counts
30
40
3,632
Health Disparities
Family and Health
Aging and Health in China
Early Life Environment and
Rankings
Ranking Based On Selection: 9
Sandy Marquart Pyatt
Metrics
H-Index
i10 Index
Citation Counts
28
44
3,715
methodology
public opinion and behavior
comparative social change
climate change
nature-society
Rankings
Ranking Based On Selection: 10
Stephen Gasteyer
Metrics
H-Index
i10 Index
Citation Counts
24
37
3,622
Sociology
Environmental Justice
Sustainability
Community Capitals

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Xuefei Ren
Metrics
H-Index
i10 Index
Citation Counts
22
30
2,444
Urban Studies
International Development
Rankings
Ranking Based On Selection: 12
Stephanie J Nawyn
Metrics
H-Index
i10 Index
Citation Counts
21
29
2,952
Migration
gender
forced migration
citizenship
adaptation and exclusion
Rankings
Ranking Based On Selection: 13
Craig Harris
Metrics
H-Index
i10 Index
Citation Counts
21
30
1,959
environmental sociology
sociology of food and agriculture
fisheries
Rankings
Ranking Based On Selection: 14
Soma Chaudhuri
Metrics
H-Index
i10 Index
Citation Counts
14
14
782
gender
violence
social movements
development
India
Rankings
Ranking Based On Selection: 15
John Lane
Metrics
H-Index
i10 Index
Citation Counts
8
8
283
Education Policy
Education Reform
Sociology
Rankings
Ranking Based On Selection: 16
Brendan Mullan
Metrics
H-Index
i10 Index
Citation Counts
8
8
1,077
International Migration
Globalization
Inequality
Rankings
Ranking Based On Selection: 17
Gerald Roman Nowak III
Metrics
H-Index
i10 Index
Citation Counts
7
2
88
Sociology
Mental Illness
Dementia
Aging
Rankings
Ranking Based On Selection: 18
Philip J Pettis
Metrics
H-Index
i10 Index
Citation Counts
4
4
115
Medical Sociology
Sexualities
Social Networks
Stratification