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" (1,010,204 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 :3
Jean D. Opsomer
Survey statistics
nonparametric statistics
Metrics
H-Index
i10 Index
Citation
35
69
5,263
* Rankings
Ranking Based On Selection :4
John H. Hitchcock
Mixed Methods
Program Evaluation
Special Education
Metrics
H-Index
i10 Index
Citation
31
49
7,936
* Rankings
Ranking Based On Selection :5
Elizabeth Ak Rowley
Biostatistics
Metrics
H-Index
i10 Index
Citation
28
43
5,399
* Rankings
Ranking Based On Selection :6
Jianzhu Li
Survey Statistics
Metrics
H-Index
i10 Index
Citation
26
43
2,660
Brad Edwards
survey methodology
Metrics
H-Index
i10 Index
Citation
19
26
1,995
* Rankings
Ranking Based On Selection :11
Reanne Townsend
Survey methodology
statistics
measuring crime victimization
nonprobability surveys
instrument evaluation and testing
Metrics
H-Index
i10 Index
Citation
13
15
2,136
* Rankings
Ranking Based On Selection :12
Colene Byrne
Health Information Technology
Health Information Exchange
Long-Term and Post-Acute Care
Metrics
H-Index
i10 Index
Citation
13
15
924
* Rankings
Ranking Based On Selection :15
Andreea Luisa Erciulescu
Hierarchical Models
Measurement Error
Official Statistics
Small Area Estimation
Survey
Metrics
H-Index
i10 Index
Citation
10
12
266
Jonathan Ratner
Health economics
labor economics
health services research
public capital and economic growth
pharmaceutical economics
Metrics
H-Index
i10 Index
Citation
9
9
781
Jocelyn Marrow
evaluation
health policy
anthropology
Metrics
H-Index
i10 Index
Citation
8
8
381
Suzanne O Kaasa
procedural justice
sexual victmization
juvenile justice
community corrections
disproportionate minority contact
Metrics
H-Index
i10 Index
Citation
8
7
329
Zachary Glendening
Housing Affordability
Homelessness
Disability Studies
Metrics
H-Index
i10 Index
Citation
7
4
136
Tom Munk
education
equity
special education
Metrics
H-Index
i10 Index
Citation
5
3
237
Michael Steketee
Sociology
SNA
Evaluation Research
Metrics
H-Index
i10 Index
Citation
4
2
162
Laura C Egan|Laura Egan, Laura Coward
education policy
large-scale assessment
survey methodology
evaluation
Metrics
H-Index
i10 Index
Citation
4
2
65
Rankings
Ranking Based On Selection: 2
J. Michael Brick
Metrics
H-Index
i10 Index
Citation Counts
37
100
8,307
Rankings
Ranking Based On Selection: 3
Jean D. Opsomer
Metrics
H-Index
i10 Index
Citation Counts
35
69
5,263
Survey statistics
nonparametric statistics
Rankings
Ranking Based On Selection: 4
John H. Hitchcock
Metrics
H-Index
i10 Index
Citation Counts
31
49
7,936
Mixed Methods
Program Evaluation
Special Education
Rankings
Ranking Based On Selection: 5
Elizabeth Ak Rowley
Metrics
H-Index
i10 Index
Citation Counts
28
43
5,399
Rankings
Ranking Based On Selection: 6
Jianzhu Li
Metrics
H-Index
i10 Index
Citation Counts
26
43
2,660
Rankings
Ranking Based On Selection: 7
Robert E Fay
Metrics
H-Index
i10 Index
Citation Counts
22
39
4,620
Rankings
Ranking Based On Selection: 8
Brad Edwards
Metrics
H-Index
i10 Index
Citation Counts
19
26
1,995
Rankings
Ranking Based On Selection: 9
Matthew Levy
Metrics
H-Index
i10 Index
Citation Counts
18
30
2,564
Rankings
Ranking Based On Selection: 10
Gc Huang
Metrics
H-Index
i10 Index
Citation Counts
15
16
2,005
Rankings
Ranking Based On Selection: 11
Reanne Townsend
Metrics
H-Index
i10 Index
Citation Counts
13
15
2,136
Survey methodology
statistics
measuring crime victimization
nonprobability surveys
instrument evaluation and testing
Rankings
Ranking Based On Selection: 12
Colene Byrne
Metrics
H-Index
i10 Index
Citation Counts
13
15
924
Health Information Technology
Health Information Exchange
Long-Term and Post-Acute Care
Rankings
Ranking Based On Selection: 13
Richard Sigman
Metrics
H-Index
i10 Index
Citation Counts
13
19
1,055
Rankings
Ranking Based On Selection: 14
Jill Dematteis
Metrics
H-Index
i10 Index
Citation Counts
12
14
697
Rankings
Ranking Based On Selection: 15
Andreea Luisa Erciulescu
Metrics
H-Index
i10 Index
Citation Counts
10
12
266
Hierarchical Models
Measurement Error
Official Statistics
Small Area Estimation
Survey
Rankings
Ranking Based On Selection: 16
Jennifer Caputo
Metrics
H-Index
i10 Index
Citation Counts
9
9
586
Rankings
Ranking Based On Selection: 17
Jonathan Ratner
Metrics
H-Index
i10 Index
Citation Counts
9
9
781
Health economics
labor economics
health services research
public capital and economic growth
pharmaceutical economics
Rankings
Ranking Based On Selection: 18
Jocelyn Marrow
Metrics
H-Index
i10 Index
Citation Counts
8
8
381
evaluation
health policy
anthropology
Rankings
Ranking Based On Selection: 19
Suzanne O Kaasa
Metrics
H-Index
i10 Index
Citation Counts
8
7
329
procedural justice
sexual victmization
juvenile justice
community corrections
disproportionate minority contact
Rankings
Ranking Based On Selection: 20
Zachary Glendening
Metrics
H-Index
i10 Index
Citation Counts
7
4
136
Housing Affordability
Homelessness
Disability Studies
Rankings
Ranking Based On Selection: 21
Tom Munk
Metrics
H-Index
i10 Index
Citation Counts
5
3
237
Rankings
Ranking Based On Selection: 22
Michael Steketee
Metrics
H-Index
i10 Index
Citation Counts
4
2
162
Rankings
Ranking Based On Selection: 23
Laura C Egan|Laura Egan, Laura Coward
Metrics
H-Index
i10 Index
Citation Counts
4
2
65
education policy
large-scale assessment
survey methodology
evaluation