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
Roslan Hashim
Ground Improvement
Clean Energy Production
Wind Energy
Solar Energy
Ecological Engineering
Metrics
H-Index
i10 Index
Citation
40
105
6,087
Vahab Vaezzadeh
Environmental Geochemistry
Pyrogenic Carbon
Petroleum Pollution
Metrics
H-Index
i10 Index
Citation
15
17
675
Masatoshi Sone
Geotectonics
Palaeontology
Sedimentology
Stratigraphy
Metrics
H-Index
i10 Index
Citation
13
19
1,812
Assc Aszlan Selamat
International History
Malaysian History and American History
Metrics
H-Index
i10 Index
Citation
4
1
25
Nkpadobi Ji
Engineering Geology
Geotechnical Engineering
Slope Stability
Meta-sedimentary Rocks.
Metrics
H-Index
i10 Index
Citation
3
0
21
Irfan Ahmad Afip
Environmental Geochemistry
Geophysics
Geology Engineering
Climate Change
Metrics
H-Index
i10 Index
Citation
2
2
21
Rankings
Ranking Based On Selection: 1
Ismail Yusoff
Metrics
H-Index
i10 Index
Citation Counts
45
110
5,960
Rankings
Ranking Based On Selection: 2
Roslan Hashim
Metrics
H-Index
i10 Index
Citation Counts
40
105
6,087
Ground Improvement
Clean Energy Production
Wind Energy
Solar Energy
Ecological Engineering
Rankings
Ranking Based On Selection: 3
Ghani Aa
Metrics
H-Index
i10 Index
Citation Counts
22
43
2,442
Rankings
Ranking Based On Selection: 4
Khairul Azlan Mustapha
Metrics
H-Index
i10 Index
Citation Counts
16
23
897
Rankings
Ranking Based On Selection: 5
Meor H Amir Hassan
Metrics
H-Index
i10 Index
Citation Counts
16
29
964
Rankings
Ranking Based On Selection: 6
Vahab Vaezzadeh
Metrics
H-Index
i10 Index
Citation Counts
15
17
675
Environmental Geochemistry
Pyrogenic Carbon
Petroleum Pollution
Rankings
Ranking Based On Selection: 7
NG Tham Fatt
Metrics
H-Index
i10 Index
Citation Counts
15
25
1,002
Rankings
Ranking Based On Selection: 8
Masatoshi Sone
Metrics
H-Index
i10 Index
Citation Counts
13
19
1,812
Geotectonics
Palaeontology
Sedimentology
Stratigraphy
Rankings
Ranking Based On Selection: 9
M Hatta Roselee
Metrics
H-Index
i10 Index
Citation Counts
9
7
745
Rankings
Ranking Based On Selection: 10
Assc Aszlan Selamat
Metrics
H-Index
i10 Index
Citation Counts
4
1
25
International History
Malaysian History and American History
Rankings
Ranking Based On Selection: 11
Nkpadobi Ji
Metrics
H-Index
i10 Index
Citation Counts
3
0
21
Engineering Geology
Geotechnical Engineering
Slope Stability
Meta-sedimentary Rocks.
Rankings
Ranking Based On Selection: 12
Irfan Ahmad Afip
Metrics
H-Index
i10 Index
Citation Counts
2
2
21
Environmental Geochemistry
Geophysics
Geology Engineering
Climate Change
Rankings
Ranking Based On Selection: 13
Lim Kok Ping
Metrics
H-Index
i10 Index
Citation Counts
2
1
32