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 6 years. As of Jun 19, 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 (0) 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



Solar Energy Materials | Materials Science | Nanotechnology | Optoelectronics | Semiconductor Material
H-Index Metrics
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H-Index19
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i10 Index27
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Citation Counts1,220
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Agricultural water management and land reclamation and remediatio
H-Index Metrics
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H-Index16
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i10 Index20
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Citation Counts922
Rankings



Diseases modelling | Ecological modelling | Disaster epidemiology | Risk and vulnerability & resilience modellin
H-Index Metrics
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H-Index15
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i10 Index24
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Citation Counts826
Rankings



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Staff Retention | Educational Management | Educational Leadership | Educational Supervision | Educational Polic
H-Index Metrics
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H-Index13
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i10 Index21
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Citation Counts700
Rankings



Education | Curriculum Studies | Science Education | Science Teacher Education | Educational Technolog
H-Index Metrics
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H-Index11
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i10 Index11
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Citation Counts401
Rankings



Science Teacher Education | STEM/STEAM Education | Chemistry Classroom Practices | Indigenous knowledge systems and school scienc
H-Index Metrics
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H-Index10
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i10 Index10
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Citation Counts407
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Educational management | curriculum development | instructional method
H-Index Metrics
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H-Index9
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i10 Index8
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Citation Counts227
Rankings



curriculum and pedagogy | higher education | human development | capability approach | social justice and Ubunt
H-Index Metrics
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H-Index8
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i10 Index7
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Citation Counts144
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Rankings



Inclusive Education | Disability Studies | Sign Language Studies | Special Needs Education | Teache
H-Index Metrics
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H-Index7
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i10 Index5
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Citation Counts154
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adult education | continuing education | lifelong education | mature age entry | online educatio
H-Index Metrics
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H-Index5
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i10 Index3
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Citation Counts219
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Education 5.0 | Curriculum Development | Educational Research | Educational Management | Language Art
H-Index Metrics
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H-Index3
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i10 Index2
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Citation Counts41
Rankings



Educational Pychology | Early Childhood Development | Literacy Boost | School readines
H-Index Metrics
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H-Index2
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i10 Index2
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Citation Counts31
Rankings



Education | Research Methods and Statistics | Teacher Education | Quality Assuranc
H-Index Metrics
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H-Index2
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i10 Index1
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Citation Counts26
Rankings



Education for Sustainable Development | ECD Curriculum Planning | Implementation and Evaluation | ECD Policy Development and Analy
H-Index Metrics
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H-Index2
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i10 Index0
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Citation Counts13