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World Scientist and University Rankings 2026
World Engineering & Technology 424.489 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 Dec 30, 2025, 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 (1.131.699) 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
6
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Nanoscience and Nanotechnology
nanogenerator | self-powered sensors/systems | blue energy | piezotronics | piezo-phototronic
nanogenerator | self-powered sensors/systems | blue energy | piezotronics | piezo-phototronic
H-Index Metrics
-
H-Index340
-
i10 Index2,589
-
Citation Counts515,952
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* Total H Index Rankings
Rankings
7
World Rank
3
Country Rank
1
University
Ranking Based On Selection:
2
Engineering & Technology / Bioengineering
drug delivery | tissue engineering | biomaterials | nanotechnology | chemistr
drug delivery | tissue engineering | biomaterials | nanotechnology | chemistr
H-Index Metrics
-
H-Index334
-
i10 Index1,904
-
Citation Counts466,230
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* Total H Index Rankings
Rankings
15
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
31
World Rank
13
Country Rank
1
University
Ranking Based On Selection:
4
Engineering & Technology / Nanoscience and Nanotechnology
nanotechnology | energy | environment | 2D materials | nanobi
nanotechnology | energy | environment | 2D materials | nanobi
H-Index Metrics
-
H-Index295
-
i10 Index875
-
Citation Counts344,895
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* Total H Index Rankings
Rankings
90
World Rank
39
Country Rank
2
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
103
World Rank
45
Country Rank
1
University
Ranking Based On Selection:
6
Engineering & Technology / Nanoscience and Nanotechnology
Carbon | nanomaterials | energy storage | supercapacitors | MXen
Carbon | nanomaterials | energy storage | supercapacitors | MXen
H-Index Metrics
-
H-Index259
-
i10 Index965
-
Citation Counts333,965
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* Total H Index Rankings
Rankings
111
World Rank
47
Country Rank
2
University
Ranking Based On Selection:
7
Engineering & Technology / Chemical Engineering
Nanomaterials | Biomedicine | Imaging | Energy | Catalysi
Nanomaterials | Biomedicine | Imaging | Energy | Catalysi
H-Index Metrics
-
H-Index258
-
i10 Index887
-
Citation Counts281,150
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* Total H Index Rankings
Rankings
156
World Rank
8
Country Rank
1
University
Ranking Based On Selection:
8
Engineering & Technology / Computer Science
Machine learning | deep learning | artificial intelligenc
Machine learning | deep learning | artificial intelligenc
H-Index Metrics
-
H-Index253
-
i10 Index992
-
Citation Counts1,019,884
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* Total H Index Rankings
Rankings
226
World Rank
93
Country Rank
1
University
Ranking Based On Selection:
9
Engineering & Technology / Biomedical Engineering
biomedical engineering | materials | medicine | mechanical engineering | electrical engineerin
biomedical engineering | materials | medicine | mechanical engineering | electrical engineerin
H-Index Metrics
-
H-Index243
-
i10 Index1,172
-
Citation Counts234,046
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* Total H Index Rankings
Rankings
252
World Rank
24
Country Rank
1
University
Ranking Based On Selection:
10
Engineering & Technology / Computer Science
Software Engineering | Computational Biology | HPC | Physic
Software Engineering | Computational Biology | HPC | Physic
H-Index Metrics
-
H-Index241
-
i10 Index1,402
-
Citation Counts316,065
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* Total H Index Rankings
Rankings
253
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
262
World Rank
107
Country Rank
2
University
Ranking Based On Selection:
12
Engineering & Technology / Metallurgical & Materials Engineering
Materials Science | Nanotechnology | Chemistry | Physic
Materials Science | Nanotechnology | Chemistry | Physic
H-Index Metrics
-
H-Index239
-
i10 Index1,201
-
Citation Counts245,068
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Premium Data
* Total H Index Rankings
Rankings
288
World Rank
116
Country Rank
4
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
292
World Rank
5
Country Rank
2
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
350
World Rank
5
Country Rank
2
University
Ranking Based On Selection:
15
Engineering & Technology / Energy Engineering
Statistics | Machine Learning | Renewable Energy | Building Physics | Particle Physic
Statistics | Machine Learning | Renewable Energy | Building Physics | Particle Physic
H-Index Metrics
-
H-Index231
-
i10 Index702
-
Citation Counts216,910
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* Total H Index Rankings
Rankings
386
World Rank
11
Country Rank
1
University
Ranking Based On Selection:
16
Engineering & Technology / Computer Science
medical imaging | machine learning | computer vision | and graphic
medical imaging | machine learning | computer vision | and graphic
H-Index Metrics
-
H-Index228
-
i10 Index950
-
Citation Counts202,627
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Premium Data
* Total H Index Rankings
Rankings
389
World Rank
30
Country Rank
12
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
439
World Rank
4
Country Rank
3
University
Ranking Based On Selection:
18
Engineering & Technology / Mechanical Engineering
High energy physics | Astroparticle physics | Instrumentatio
High energy physics | Astroparticle physics | Instrumentatio
H-Index Metrics
-
H-Index223
-
i10 Index971
-
Citation Counts254,194
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Premium Data
* Total H Index Rankings
Rankings
451
World Rank
2
Country Rank
2
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
473
World Rank
160
Country Rank
2
University
Ranking Based On Selection:
20
Engineering & Technology / Computer Science
Biometrics | Computer vision | Pattern recognition | Machine learning | Image processin
Biometrics | Computer vision | Pattern recognition | Machine learning | Image processin
H-Index Metrics
-
H-Index221
-
i10 Index824
-
Citation Counts284,120
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* Total H Index Rankings
Rankings
483
World Rank
163
Country Rank
6
University
Ranking Based On Selection:
21
Engineering & Technology / Nanoscience and Nanotechnology
biosensors | electrochemistry | nanomotors | modified electrodes | microfabricatio
biosensors | electrochemistry | nanomotors | modified electrodes | microfabricatio
H-Index Metrics
-
H-Index220
-
i10 Index1,225
-
Citation Counts185,558
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* Total H Index Rankings
Rankings
488
World Rank
4
Country Rank
1
University
Ranking Based On Selection:
22
Engineering & Technology / Electrical & Electronic Engineering
Power Electronics | Renewable Energy | Wind Turbines | Power Systems | Electrical Engineerin
Power Electronics | Renewable Energy | Wind Turbines | Power Systems | Electrical Engineerin
H-Index Metrics
-
H-Index219
-
i10 Index2,283
-
Citation Counts244,916
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* Total H Index Rankings
Rankings
496
World Rank
166
Country Rank
3
University
Ranking Based On Selection:
23
Engineering & Technology / Environmental Science & Engineering
environmental engineering | membrane separations | environmental nanotechnology | desalination | wate
environmental engineering | membrane separations | environmental nanotechnology | desalination | wate
H-Index Metrics
-
H-Index219
-
i10 Index589
-
Citation Counts173,864
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* Total H Index Rankings
Rankings
499
World Rank
169
Country Rank
2
University
Ranking Based On Selection:
24
Engineering & Technology / Bioengineering
biomaterials | tissue engineering | silk | regenerative medicin
biomaterials | tissue engineering | silk | regenerative medicin
H-Index Metrics
-
H-Index219
-
i10 Index1,611
-
Citation Counts219,017
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Premium Data
* Total H Index Rankings
Rankings
522
World Rank
11
Country Rank
3
University
Ranking Based On Selection:
25
Engineering & Technology / Computer Science
computer vision | machine learning | AI | autonomous cars | cultural heritag
computer vision | machine learning | AI | autonomous cars | cultural heritag
H-Index Metrics
-
H-Index217
-
i10 Index1,167
-
Citation Counts278,482
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Premium Data
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