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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 (at world, region, country, and university levels) are currently in Beta version and updated in near real-time.
Note: Researchers classified as "others" (currently 1,122,060 profiles whose fields are undetermined or unedited) are excluded from subject and regional rankings. These rankings will dynamically evolve as the “others” profiles are reviewed and properly categorized.

* Total H Index Rankings

Rankings

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47,009
World Rank
2,413
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Petroleum Engineering
Petroleum Generation | Precambrian Research | Biomarker Geochemistr

H-Index Metrics

  • H-Index
    63
  • i10 Index
    293
  • Citation Counts
    16,513
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* Total H Index Rankings

Rankings

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310,649
World Rank
16,668
Country Rank
2
University
Ranking Based On Selection:
2
Engineering & Technology / Petroleum Engineering
Petroleum Geology | Sedimentology | Petroleum Geoscience | Reservoir Engineering | Petroleum Geochemistr

H-Index Metrics

  • H-Index
    28
  • i10 Index
    47
  • Citation Counts
    3,960
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* Total H Index Rankings

Rankings

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1,457,002
World Rank
66,540
Country Rank
11
University
Ranking Based On Selection:
3
Engineering & Technology / Petroleum Engineering
Offshore oilfield development | Reservoir engineering | Machine learnin

H-Index Metrics

  • H-Index
    6
  • i10 Index
    4
  • Citation Counts
    282
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