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 31, 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 (1.131.755) 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].
Rankings
Rankings
Mathematical physics | medical physics | high energy physics | physics educatio
H-Index Metrics
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H-Index220
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i10 Index958
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Citation Counts246,878
Rankings
tourism | geography | sustainability | regional development | global environmental chang
H-Index Metrics
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H-Index168
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i10 Index799
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Citation Counts133,335
Rankings
Rankings
Rankings
Rankings
Rankings
Nanocatalysis | Electrocatalysis | Photocatalysis | Thermal Catalysis | Sensor
H-Index Metrics
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H-Index120
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i10 Index495
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Citation Counts57,780
Rankings
second language acquisition | task-based language teachin
H-Index Metrics
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H-Index118
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i10 Index282
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Citation Counts151,905
Rankings
Rankings
Food science and technology | dairy science | food proteins | food colloids | nutritio
H-Index Metrics
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H-Index115
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i10 Index504
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Citation Counts44,183
Rankings
Rankings
Rankings
Rankings
Rankings
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Rankings
Dental epidemiology and public health | dental health services researc
H-Index Metrics
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H-Index100
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i10 Index395
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Citation Counts68,164
Rankings
General relativity | black holes | cosmology | quantum field theor
H-Index Metrics
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H-Index100
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i10 Index317
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Citation Counts37,868
Rankings
social psychology | political psychology | health psychology | personality | intergroup relation
H-Index Metrics
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H-Index99
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i10 Index387
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Citation Counts38,741
Rankings
Rankings
Rankings
Infectious diseases | medical microbiology | epidemiolog
H-Index Metrics
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H-Index97
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i10 Index264
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Citation Counts112,306
Rankings
Sport and Exercise Science | Strength and Conditioning | Human Performanc
H-Index Metrics
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H-Index97
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i10 Index310
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Citation Counts34,460
Rankings
Biochemical Engineering | Bioprocess Engineering | Algal Biotechnology | Fermentation Technolog
H-Index Metrics
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H-Index96
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i10 Index312
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Citation Counts61,058
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