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World Scientist and University Rankings 2026
Estonia Natural Sciences 245 Scientists Subject Rankings
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Jan 04, 2026, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.131.911) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H Index Rankings
Rankings
353
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
1
* Total H Index Rankings
Rankings
498
World Rank
2
Country Rank
2
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
1,288
World Rank
4
Country Rank
2
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
5,038
World Rank
7
Country Rank
4
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
8,183
World Rank
8
Country Rank
5
University
Ranking Based On Selection:
5
Natural Sciences / Geography
Mycorrhiza | Biogeography | Molecular Ecology | Multitrophic interaction
Mycorrhiza | Biogeography | Molecular Ecology | Multitrophic interaction
H-Index Metrics
-
H-Index107
-
i10 Index265
-
Citation Counts69,220
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Premium Data
* Total H Index Rankings
Rankings
14,406
World Rank
11
Country Rank
8
University
Ranking Based On Selection:
6
* Total H Index Rankings
Rankings
24,644
World Rank
14
Country Rank
11
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
31,760
World Rank
17
Country Rank
13
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
31,975
World Rank
18
Country Rank
14
University
Ranking Based On Selection:
9
* Total H Index Rankings
Rankings
37,652
World Rank
21
Country Rank
16
University
Ranking Based On Selection:
10
Natural Sciences / Physics
Optical Materials | Rare Earth and Transition Metal Ions | Luminescence | Ab initio Calculation
Optical Materials | Rare Earth and Transition Metal Ions | Luminescence | Ab initio Calculation
H-Index Metrics
-
H-Index69
-
i10 Index371
-
Citation Counts19,093
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Premium Data
* Total H Index Rankings
Rankings
38,103
World Rank
23
Country Rank
18
University
Ranking Based On Selection:
11
Natural Sciences / Chemical Sciences
Superacids | superbases | synthetic receptors | mass spectrometry | metrology in chemistr
Superacids | superbases | synthetic receptors | mass spectrometry | metrology in chemistr
H-Index Metrics
-
H-Index69
-
i10 Index226
-
Citation Counts17,416
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Premium Data
* Total H Index Rankings
Rankings
40,761
World Rank
25
Country Rank
19
University
Ranking Based On Selection:
12
Natural Sciences / Molecular Biology & Genetics
microbial ecology | ecosystem ecology | community ecology | fungi | metagenomic
microbial ecology | ecosystem ecology | community ecology | fungi | metagenomic
H-Index Metrics
-
H-Index67
-
i10 Index129
-
Citation Counts28,318
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Premium Data
* Total H Index Rankings
Rankings
41,381
World Rank
26
Country Rank
3
University
Ranking Based On Selection:
13
Natural Sciences / Chemical Sciences
nanotoxicology | antimicrobial compounds | ecotoxicology | metal oxide nanoparticles toxicit
nanotoxicology | antimicrobial compounds | ecotoxicology | metal oxide nanoparticles toxicit
H-Index Metrics
-
H-Index67
-
i10 Index140
-
Citation Counts20,476
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Premium Data
* Total H Index Rankings
Rankings
43,140
World Rank
28
Country Rank
21
University
Ranking Based On Selection:
14
Natural Sciences / Biological Science
plant ecology | community ecology | biotic interactions | mycorrhizal ecology | plant-soil interaction
plant ecology | community ecology | biotic interactions | mycorrhizal ecology | plant-soil interaction
H-Index Metrics
-
H-Index66
-
i10 Index138
-
Citation Counts20,858
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Premium Data
* Total H Index Rankings
Rankings
45,090
World Rank
30
Country Rank
23
University
Ranking Based On Selection:
15
* Total H Index Rankings
Rankings
48,749
World Rank
31
Country Rank
24
University
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
51,461
World Rank
32
Country Rank
25
University
Ranking Based On Selection:
17
Natural Sciences / Biological Science
arbuscular mycorrhiza | molecular diversity | community ecology | biogeograph
arbuscular mycorrhiza | molecular diversity | community ecology | biogeograph
H-Index Metrics
-
H-Index62
-
i10 Index133
-
Citation Counts16,285
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Premium Data
* Total H Index Rankings
Rankings
51,625
World Rank
33
Country Rank
1
University
Ranking Based On Selection:
18
* Total H Index Rankings
Rankings
66,806
World Rank
39
Country Rank
31
University
Ranking Based On Selection:
19
Natural Sciences / Chemical Sciences
materials science and technology | corrosion | microscopy | nanotechnology | thin film
materials science and technology | corrosion | microscopy | nanotechnology | thin film
H-Index Metrics
-
H-Index57
-
i10 Index164
-
Citation Counts10,169
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Premium Data
* Total H Index Rankings
Rankings
71,914
World Rank
42
Country Rank
33
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
72,259
World Rank
44
Country Rank
35
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
78,587
World Rank
50
Country Rank
1
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
79,755
World Rank
51
Country Rank
38
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
80,254
World Rank
53
Country Rank
39
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
84,511
World Rank
57
Country Rank
2
University
Ranking Based On Selection:
25
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