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Top 100 Scientists

World Top 100 Scientists 2026

The Top 100 scientists are ranked based on total H-index scores at the global, regional, national, and institutional levels. Rankings cover 10 regions, 13 main fields, and 221 subfields. Subject-field rankings (world, region, country, and university levels) are currently in Beta and updated in near real-time.

Note: Researchers classified as “others” (1,123,397 profiles whose fields are undetermined or not yet edited) are excluded from subject and regional rankings. These rankings will dynamically evolve as the “others” profiles are reviewed and properly categorized.

Recognizing excellence across 10 regions, 13 fields, and 221 subfields — Explore the Top 100 today.

 

* Total H Index Rankings

Rankings

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3,181
World Rank
108
Country Rank
1
University
Ranking Based On Selection:
1
Others
Carbon Cycle | Carbon-Climate Feedbacks | Decarbonizatio

H-Index Metrics

  • H-Index
    134
  • i10 Index
    270
  • Citation Counts
    148,405
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* Total H Index Rankings

Rankings

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4,022
World Rank
147
Country Rank
2
University
Ranking Based On Selection:
2
Others
radiation detectors | x-ray fluorescence microscop

H-Index Metrics

  • H-Index
    127
  • i10 Index
    262
  • Citation Counts
    121,072
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* Total H Index Rankings

Rankings

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4,425
World Rank
162
Country Rank
3
University
Ranking Based On Selection:
3
* Total H Index Rankings

Rankings

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7,833
World Rank
309
Country Rank
4
University
Ranking Based On Selection:
4
Natural Sciences / Molecular Biology & Genetics
DNA damage | micronucleus | telomere | nutrition | lifestyle genotoxin

H-Index Metrics

  • H-Index
    107
  • i10 Index
    305
  • Citation Counts
    54,161
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* Total H Index Rankings

Rankings

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8,093
World Rank
329
Country Rank
5
University
Ranking Based On Selection:
5
Natural Sciences / Physics
Astronomy | pulsars | transient

H-Index Metrics

  • H-Index
    106
  • i10 Index
    358
  • Citation Counts
    41,736
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* Total H Index Rankings

Rankings

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8,407
World Rank
340
Country Rank
6
University
Ranking Based On Selection:
6
Natural Sciences / Biological Science
Ecology | resilience | complex system

H-Index Metrics

  • H-Index
    105
  • i10 Index
    286
  • Citation Counts
    152,632
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* Total H Index Rankings

Rankings

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10,638
World Rank
440
Country Rank
7
University
Ranking Based On Selection:
7
Engineering & Technology / Marine Sciences and Engineering
marine oils | omega-3 | signature lipids | fecal sterols | biotechnolog

H-Index Metrics

  • H-Index
    99
  • i10 Index
    423
  • Citation Counts
    36,846
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* Total H Index Rankings

Rankings

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12,505
World Rank
536
Country Rank
8
University
Ranking Based On Selection:
8
Engineering & Technology / Marine Sciences and Engineering
climate adaptation | marine climate change | fisheries oceanography | risk-based managemen

H-Index Metrics

  • H-Index
    94
  • i10 Index
    338
  • Citation Counts
    44,650
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* Total H Index Rankings

Rankings

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13,061
World Rank
573
Country Rank
9
University
Ranking Based On Selection:
9
Others
Carbon and nitrogen cycling in soils and sediment

H-Index Metrics

  • H-Index
    93
  • i10 Index
    219
  • Citation Counts
    34,398
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* Total H Index Rankings

Rankings

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13,598
World Rank
598
Country Rank
10
University
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
water resources management | hydrology | climate change | environmental science

H-Index Metrics

  • H-Index
    92
  • i10 Index
    224
  • Citation Counts
    30,599
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* Total H Index Rankings

Rankings

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13,609
World Rank
600
Country Rank
11
University
Ranking Based On Selection:
11
* Total H Index Rankings

Rankings

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14,039
World Rank
622
Country Rank
12
University
Ranking Based On Selection:
12
* Total H Index Rankings

Rankings

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14,943
World Rank
667
Country Rank
13
University
Ranking Based On Selection:
13
* Total H Index Rankings

Rankings

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15,611
World Rank
698
Country Rank
14
University
Ranking Based On Selection:
14
* Total H Index Rankings

Rankings

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15,898
World Rank
711
Country Rank
15
University
Ranking Based On Selection:
15
Natural Sciences / Biological Science
Biodiversity | global change | modelling | conservation assessmen

H-Index Metrics

  • H-Index
    88
  • i10 Index
    179
  • Citation Counts
    58,081
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* Total H Index Rankings

Rankings

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16,842
World Rank
780
Country Rank
16
University
Ranking Based On Selection:
16
Others
polymer science | polymer synthesis | polymerization | polymerization kinetics | sustainable polymer

H-Index Metrics

  • H-Index
    87
  • i10 Index
    255
  • Citation Counts
    49,850
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* Total H Index Rankings

Rankings

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17,733
World Rank
823
Country Rank
17
University
Ranking Based On Selection:
17
* Total H Index Rankings

Rankings

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17,891
World Rank
832
Country Rank
18
University
Ranking Based On Selection:
18
Natural Sciences / Biological Science
Ecohydrology | Climate Change | Remote Sensing | Vegetation Dynamics | Catchment Modellin

H-Index Metrics

  • H-Index
    85
  • i10 Index
    214
  • Citation Counts
    36,736
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* Total H Index Rankings

Rankings

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19,453
World Rank
902
Country Rank
19
University
Ranking Based On Selection:
19
* Total H Index Rankings

Rankings

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21,273
World Rank
1,002
Country Rank
20
University
Ranking Based On Selection:
20
Agriculture & Forestry / Entomology & Pesticides
Environment | Pesticides | wastewater | risk assessment | biocha

H-Index Metrics

  • H-Index
    81
  • i10 Index
    255
  • Citation Counts
    28,242
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* Total H Index Rankings

Rankings

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21,311
World Rank
1,007
Country Rank
21
University
Ranking Based On Selection:
21
Engineering & Technology / Marine Sciences and Engineering
Marine Biology | Marine Ecology | Marine Conservatio

H-Index Metrics

  • H-Index
    81
  • i10 Index
    214
  • Citation Counts
    29,311
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* Total H Index Rankings

Rankings

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21,598
World Rank
1,031
Country Rank
22
University
Ranking Based On Selection:
22
* Total H Index Rankings

Rankings

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21,633
World Rank
1,032
Country Rank
23
University
Ranking Based On Selection:
23
* Total H Index Rankings

Rankings

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22,284
World Rank
1,073
Country Rank
24
University
Ranking Based On Selection:
24
Engineering & Technology / Meteorology & Atmospheric Sciences
Hydrological modelling | Hydroclimatology | Water resources | Integrated basin managemen

H-Index Metrics

  • H-Index
    80
  • i10 Index
    222
  • Citation Counts
    24,306
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* Total H Index Rankings

Rankings

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23,007
World Rank
1,106
Country Rank
25
University
Ranking Based On Selection:
25
Natural Sciences / Biological Science
fisheries and blue economy | marine | ecosystem modelling | climate | sustainabilit

H-Index Metrics

  • H-Index
    79
  • i10 Index
    240
  • Citation Counts
    28,081
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