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 rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,299 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Total H Index Rankings

Rankings

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14,124
World Rank
Malaysia
18
Country Rank
Universiti Sains Malaysia Logo
3
University
Ranking Based On Selection:
1
* Total H Index Rankings

Rankings

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77,066
World Rank
Malaysia
234
Country Rank
Universiti Sains Malaysia Logo
34
University
Ranking Based On Selection:
2
Engineering & Technology / Environmental Science & Engineering
Water Treatment Technology | Water Security Management | Waste Utilization | Water-Food Nexu

H-Index Metrics

  • H-Index
    52
  • i10 Index
    86
  • Citation Counts
    20,054
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* Total H Index Rankings

Rankings

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86,586
World Rank
Malaysia
288
Country Rank
Universiti Sains Malaysia Logo
39
University
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
Supercritical Fluid Technology | wastewater and water treatment | food technology | polymer | clinical solid waste

H-Index Metrics

  • H-Index
    50
  • i10 Index
    149
  • Citation Counts
    14,246
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* Total H Index Rankings

Rankings

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137,329
World Rank
Malaysia
550
Country Rank
Universiti Sains Malaysia Logo
70
University
Ranking Based On Selection:
4
Engineering & Technology / Environmental Science & Engineering
Water Resources Management | Flood Management | Environmental Management | Climatology | Ecotouris

H-Index Metrics

  • H-Index
    41
  • i10 Index
    109
  • Citation Counts
    5,620
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* Total H Index Rankings

Rankings

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179,360
World Rank
Malaysia
787
Country Rank
Universiti Sains Malaysia Logo
94
University
Ranking Based On Selection:
5
Engineering & Technology / Environmental Science & Engineering
Wastewater treatment | Supercritical Carbon Dioxide | Solid waste Management | Renewable energ

H-Index Metrics

  • H-Index
    37
  • i10 Index
    103
  • Citation Counts
    5,529
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* Total H Index Rankings

Rankings

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181,105
World Rank
Malaysia
805
Country Rank
Universiti Sains Malaysia Logo
98
University
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
Zwitterionic Adsorbent | Wastewater Treatment | Membrane separation | Adsorption | Water shut-of

H-Index Metrics

  • H-Index
    36
  • i10 Index
    69
  • Citation Counts
    5,452
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* Total H Index Rankings

Rankings

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194,531
World Rank
Malaysia
876
Country Rank
Universiti Sains Malaysia Logo
108
University
Ranking Based On Selection:
7
* Total H Index Rankings

Rankings

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231,115
World Rank
Malaysia
1,156
Country Rank
Universiti Sains Malaysia Logo
137
University
Ranking Based On Selection:
8
Engineering & Technology / Environmental Science & Engineering
wastewater treatment | life cycle assessment (LCA) | phytoremediation | phycoremediation | intelligent system

H-Index Metrics

  • H-Index
    32
  • i10 Index
    82
  • Citation Counts
    4,484
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* Total H Index Rankings

Rankings

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247,121
World Rank
Malaysia
1,289
Country Rank
Universiti Sains Malaysia Logo
148
University
Ranking Based On Selection:
9

H-Index Metrics

  • H-Index
    31
  • i10 Index
    55
  • Citation Counts
    5,237
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* Total H Index Rankings

Rankings

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345,425
World Rank
Malaysia
2,080
Country Rank
Universiti Sains Malaysia Logo
243
University
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
green products | environmental management system | environmental footprint | environmental risk management | ISO 1400

H-Index Metrics

  • H-Index
    25
  • i10 Index
    44
  • Citation Counts
    4,247
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* Total H Index Rankings

Rankings

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366,140
World Rank
Malaysia
2,255
Country Rank
Universiti Sains Malaysia Logo
260
University
Ranking Based On Selection:
11
Engineering & Technology / Environmental Science & Engineering
Landfill Leachate | Wastewater | Adsorption | Waste Treatmen

H-Index Metrics

  • H-Index
    24
  • i10 Index
    53
  • Citation Counts
    2,537
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* Total H Index Rankings

Rankings

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422,652
World Rank
Malaysia
2,801
Country Rank
Universiti Sains Malaysia Logo
328
University
Ranking Based On Selection:
12
Engineering & Technology / Environmental Science & Engineering
Water and wastewater treatment | waster and wastewater qualit

H-Index Metrics

  • H-Index
    22
  • i10 Index
    34
  • Citation Counts
    1,982
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* Total H Index Rankings

Rankings

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443,119
World Rank
Malaysia
2,963
Country Rank
Universiti Sains Malaysia Logo
345
University
Ranking Based On Selection:
13
Engineering & Technology / Environmental Science & Engineering
Environmental science | catalysis | mesoporous titania | Advance material | mesoporous materia

H-Index Metrics

  • H-Index
    21
  • i10 Index
    33
  • Citation Counts
    1,711
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* Total H Index Rankings

Rankings

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445,688
World Rank
Malaysia
2,987
Country Rank
Universiti Sains Malaysia Logo
346
University
Ranking Based On Selection:
14
Engineering & Technology / Environmental Science & Engineering
climate change reporting | responsible innovation | sustainable business performanc

H-Index Metrics

  • H-Index
    21
  • i10 Index
    30
  • Citation Counts
    1,605
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* Total H Index Rankings

Rankings

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545,748
World Rank
Malaysia
3,976
Country Rank
Universiti Sains Malaysia Logo
435
University
Ranking Based On Selection:
15
Engineering & Technology / Environmental Science & Engineering
Environmental Science and Technology | PM2.5 | Atmospheric Chemistry and Physics | Safety Scienc

H-Index Metrics

  • H-Index
    18
  • i10 Index
    20
  • Citation Counts
    1,472
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* Total H Index Rankings

Rankings

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552,481
World Rank
Malaysia
4,082
Country Rank
Universiti Sains Malaysia Logo
453
University
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
water Treatment | Wastewater Treatment | Fate and Transport | Water Quality Modeling | Nanoparticle

H-Index Metrics

  • H-Index
    18
  • i10 Index
    28
  • Citation Counts
    1,418
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* Total H Index Rankings

Rankings

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563,348
World Rank
Malaysia
4,212
Country Rank
Universiti Sains Malaysia Logo
469
University
Ranking Based On Selection:
17
Engineering & Technology / Environmental Science & Engineering
waste management | odour pollution | anaerobic digestio

H-Index Metrics

  • H-Index
    18
  • i10 Index
    24
  • Citation Counts
    1,449
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* Total H Index Rankings

Rankings

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586,451
World Rank
Malaysia
4,382
Country Rank
Universiti Sains Malaysia Logo
483
University
Ranking Based On Selection:
18
Engineering & Technology / Environmental Science & Engineering
Wastewater treatment | activated sludge | adsorption | bioremediatio

H-Index Metrics

  • H-Index
    17
  • i10 Index
    25
  • Citation Counts
    947
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* Total H Index Rankings

Rankings

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596,763
World Rank
Malaysia
4,501
Country Rank
Universiti Sains Malaysia Logo
498
University
Ranking Based On Selection:
19
Engineering & Technology / Environmental Science & Engineering
water resources engineering | remote sensing | GIS | Satellite systems design | structure desig

H-Index Metrics

  • H-Index
    17
  • i10 Index
    29
  • Citation Counts
    1,061
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* Total H Index Rankings

Rankings

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599,126
World Rank
Malaysia
4,538
Country Rank
Universiti Sains Malaysia Logo
503
University
Ranking Based On Selection:
20
Engineering & Technology / Environmental Science & Engineering
Water and wastewater treatment | Activated carbon production | adsorptio

H-Index Metrics

  • H-Index
    17
  • i10 Index
    22
  • Citation Counts
    1,374
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* Total H Index Rankings

Rankings

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629,033
World Rank
Malaysia
4,796
Country Rank
Universiti Sains Malaysia Logo
532
University
Ranking Based On Selection:
21
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Air Pollutio

H-Index Metrics

  • H-Index
    16
  • i10 Index
    21
  • Citation Counts
    1,326
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* Total H Index Rankings

Rankings

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726,433
World Rank
Malaysia
5,733
Country Rank
Universiti Sains Malaysia Logo
616
University
Ranking Based On Selection:
22
Engineering & Technology / Environmental Science & Engineering
adsorption | synthesis materials | environmental health | heavy metal | waste water treatmen

H-Index Metrics

  • H-Index
    14
  • i10 Index
    16
  • Citation Counts
    910
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* Total H Index Rankings

Rankings

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1,445,657
World Rank
Malaysia
14,129
Country Rank
Universiti Sains Malaysia Logo
1,539
University
Ranking Based On Selection:
23
* Total H Index Rankings

Rankings

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1,500,725
World Rank
Malaysia
15,174
Country Rank
Universiti Sains Malaysia Logo
1,617
University
Ranking Based On Selection:
24
Engineering & Technology / Environmental Science & Engineering
environmental engineering | environmental science | agricultural engineering | aquatic scienc

H-Index Metrics

  • H-Index
    6
  • i10 Index
    3
  • Citation Counts
    111
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* Total H Index Rankings

Rankings

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1,679,680
World Rank
Malaysia
17,814
Country Rank
Universiti Sains Malaysia Logo
1,832
University
Ranking Based On Selection:
25