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World 2.633.578 Scientists Subject Rankings (Sort by last 5 years H Index)
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 03, 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 (1.131.752) 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].
* Last 5 Years H-Index Rankings
Rankings
1
World Rank
1
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
Last 5 Years H-Index Metrics
-
H-Index252
-
i10 Index2,329
-
Citation Counts284,225
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* Last 5 Years H-Index Rankings
Rankings
2
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
2
Engineering & Technology / Nanoscience and Nanotechnology
nanotechnology | energy | environment | 2D materials | nanobi
nanotechnology | energy | environment | 2D materials | nanobi
Last 5 Years H-Index Metrics
-
H-Index233
-
i10 Index806
-
Citation Counts180,832
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* Last 5 Years H-Index Rankings
Rankings
3
World Rank
3
Country Rank
1
University
Ranking Based On Selection:
3
Medical and Health Sciences / Epidemiology and Public Health
Health Metrics | Population Health | Risk Factors | Global Health | Epidemiolog
Health Metrics | Population Health | Risk Factors | Global Health | Epidemiolog
Last 5 Years H-Index Metrics
-
H-Index228
-
i10 Index822
-
Citation Counts424,653
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* Last 5 Years H-Index Rankings
Rankings
4
World Rank
4
Country Rank
1
University
Ranking Based On Selection:
4
Last 5 Years H-Index Metrics
-
H-Index223
-
i10 Index1,757
-
Citation Counts281,026
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* Last 5 Years H-Index Rankings
Rankings
5
World Rank
5
Country Rank
2
University
Ranking Based On Selection:
5
Medical and Health Sciences / Epidemiology and Public Health
IHME | Health Metrics | Global Health | Public Health | Epidemiolog
IHME | Health Metrics | Global Health | Public Health | Epidemiolog
Last 5 Years H-Index Metrics
-
H-Index219
-
i10 Index640
-
Citation Counts382,893
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* Last 5 Years H-Index Rankings
Rankings
6
World Rank
6
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
Last 5 Years H-Index Metrics
-
H-Index218
-
i10 Index806
-
Citation Counts228,104
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* Last 5 Years H-Index Rankings
Rankings
7
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
7
Last 5 Years H-Index Metrics
-
H-Index215
-
i10 Index1,757
-
Citation Counts233,600
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* Last 5 Years H-Index Rankings
Rankings
8
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
8
Last 5 Years H-Index Metrics
-
H-Index215
-
i10 Index1,500
-
Citation Counts199,928
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* Last 5 Years H-Index Rankings
Rankings
9
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
9
Engineering & Technology / Computer Science
Machine learning | deep learning | artificial intelligenc
Machine learning | deep learning | artificial intelligenc
Last 5 Years H-Index Metrics
-
H-Index214
-
i10 Index874
-
Citation Counts742,271
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* Last 5 Years H-Index Rankings
Rankings
10
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
10
Last 5 Years H-Index Metrics
-
H-Index212
-
i10 Index1,396
-
Citation Counts241,630
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* Last 5 Years H-Index Rankings
Rankings
11
World Rank
7
Country Rank
1
University
Ranking Based On Selection:
11
Last 5 Years H-Index Metrics
-
H-Index212
-
i10 Index1,398
-
Citation Counts233,969
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* Last 5 Years H-Index Rankings
Rankings
12
World Rank
3
Country Rank
1
University
Ranking Based On Selection:
12
Last 5 Years H-Index Metrics
-
H-Index212
-
i10 Index1,757
-
Citation Counts187,080
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* Last 5 Years H-Index Rankings
Rankings
13
World Rank
8
Country Rank
1
University
Ranking Based On Selection:
13
Last 5 Years H-Index Metrics
-
H-Index208
-
i10 Index841
-
Citation Counts296,346
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* Last 5 Years H-Index Rankings
Rankings
14
World Rank
9
Country Rank
2
University
Ranking Based On Selection:
14
Last 5 Years H-Index Metrics
-
H-Index207
-
i10 Index1,081
-
Citation Counts216,396
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* Last 5 Years H-Index Rankings
Rankings
15
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
15
Last 5 Years H-Index Metrics
-
H-Index207
-
i10 Index1,192
-
Citation Counts212,861
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* Last 5 Years H-Index Rankings
Rankings
16
World Rank
10
Country Rank
3
University
Ranking Based On Selection:
16
Natural Sciences / Mathematical Sciences
Biology | Genomics | Genetics | Bioinformatics | Mathematics
Biology | Genomics | Genetics | Bioinformatics | Mathematics
Last 5 Years H-Index Metrics
-
H-Index206
-
i10 Index498
-
Citation Counts247,907
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* Last 5 Years H-Index Rankings
Rankings
17
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
17
Last 5 Years H-Index Metrics
-
H-Index205
-
i10 Index1,524
-
Citation Counts220,293
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* Last 5 Years H-Index Rankings
Rankings
18
World Rank
2
Country Rank
2
University
Ranking Based On Selection:
18
Last 5 Years H-Index Metrics
-
H-Index204
-
i10 Index1,439
-
Citation Counts186,510
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* Last 5 Years H-Index Rankings
Rankings
19
World Rank
4
Country Rank
2
University
Ranking Based On Selection:
19
Last 5 Years H-Index Metrics
-
H-Index204
-
i10 Index1,163
-
Citation Counts135,654
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* Last 5 Years H-Index Rankings
Rankings
20
World Rank
5
Country Rank
1
University
Ranking Based On Selection:
20
Last 5 Years H-Index Metrics
-
H-Index202
-
i10 Index1,574
-
Citation Counts241,633
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* Last 5 Years H-Index Rankings
Rankings
21
World Rank
11
Country Rank
1
University
Ranking Based On Selection:
21
Last 5 Years H-Index Metrics
-
H-Index198
-
i10 Index1,485
-
Citation Counts236,398
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* Last 5 Years H-Index Rankings
Rankings
22
World Rank
12
Country Rank
2
University
Ranking Based On Selection:
22
Medical and Health Sciences / Biostatistics
meta-research | clinical epidemiology | evidence-based medicine | research methods | meta-analysi
meta-research | clinical epidemiology | evidence-based medicine | research methods | meta-analysi
Last 5 Years H-Index Metrics
-
H-Index196
-
i10 Index1,142
-
Citation Counts398,365
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* Last 5 Years H-Index Rankings
Rankings
23
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
23
Last 5 Years H-Index Metrics
-
H-Index195
-
i10 Index1,856
-
Citation Counts221,228
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* Last 5 Years H-Index Rankings
Rankings
24
World Rank
3
Country Rank
1
University
Ranking Based On Selection:
24
Last 5 Years H-Index Metrics
-
H-Index195
-
i10 Index1,782
-
Citation Counts211,299
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* Last 5 Years H-Index Rankings
Rankings
25
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
25
Natural Sciences / Chemical Sciences
Electrocatalysis | quantum dots | perovskites | CO2 capture | Reactive captur
Electrocatalysis | quantum dots | perovskites | CO2 capture | Reactive captur
Last 5 Years H-Index Metrics
-
H-Index192
-
i10 Index746
-
Citation Counts141,766
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