- H-Index Rankings
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i10 Productivity Rankings
Measures productivity based on the number of papers with at least 10 citationsOnly AD
Citation Rankings
Ranks researchers according to their citation counts- Subject Rankings
Lists researchers across 13 main and 220 subfields- Top 100 Scientists
Highlights the most influential 100 scientists by region and disciplineSocial Sciences & HumanitiesNew
Evaluates performance in the social sciences and humanities- Art & Humanities
New
- University Rankings
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University Rankings
Ranks 24,500 institutions (universities, institutes, companies, hospitals)- University Subject Rankings
Ranks universities across 13 main academic fields- Young Universities
Ranks institutions founded in the last 30 years- Top 100 Institutions
Lists the top 100 institutions by country and subject
AD Students
- Country
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Country Rankings
Ranks 221 countries based on scientific productivity and impact- Country Reports
- Student
University, Subject, Country, Region, World
Education University of Hong Kong 161 Scientists Subject Rankings - 2025
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 Jul 14, 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 (1.121.784) 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 RankingsRankings
2,164World Rank
19Country Rank
1UniversityRanking Based On Selection:1Education / Education (Other, All)
Environmental Science | Environmental Toxicology | Environmental Restoration | Waste Recycling | AquaculturH-Index Metrics
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H-Index146
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i10 Index785
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Citation Counts80,773
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* Total H Index RankingsRankings
8,329World Rank
85Country Rank
2UniversityRanking Based On Selection:2* Total H Index RankingsRankings
18,990World Rank
202Country Rank
3UniversityRanking Based On Selection:3Social Sciences / Social Science
Urban ecology | urban greening | urban forestry | urban microclimate | urban soil sciencH-Index Metrics
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H-Index83
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i10 Index288
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Citation Counts24,291
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* Total H Index RankingsRankings
46,219World Rank
433Country Rank
4UniversityRanking Based On Selection:4Education / Educational Psychology
Cross-cultural studies of learning and motivation | self-processes in learning | educational psychologH-Index Metrics
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H-Index63
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i10 Index178
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Citation Counts17,414
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* Total H Index RankingsRankings
46,398World Rank
436Country Rank
5UniversityRanking Based On Selection:5Education / Education (Other, All)
Educational Leadership | School Leadership Development and learning | Culture and School LeadershiH-Index Metrics
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H-Index63
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i10 Index174
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Citation Counts13,272
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* Total H Index RankingsRankings
50,056World Rank
470Country Rank
6UniversityRanking Based On Selection:6Education / Education (Other, All)
Statistical Discourse Analysis (SDA) | International comparisons of students | Inequality | CorruptioH-Index Metrics
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H-Index61
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i10 Index158
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Citation Counts19,961
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* Total H Index RankingsRankings
54,663World Rank
516Country Rank
7UniversityRanking Based On Selection:7Engineering & Technology / Environmental Science & Engineering
Wastewater Treatment | Microplastics and Nanoplastics | Resource Recovery | Environmental Engineering | Environmental TechnologH-Index Metrics
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H-Index59
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i10 Index200
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Citation Counts15,692
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* Total H Index RankingsRankings
58,230World Rank
554Country Rank
8UniversityRanking Based On Selection:8Agriculture & Forestry / Fisheries
Marine environmental research | Pollution monitoring | Risk AssessmenH-Index Metrics
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H-Index58
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i10 Index90
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Citation Counts8,658
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* Total H Index RankingsRankings
88,078World Rank
788Country Rank
9UniversityRanking Based On Selection:9* Total H Index RankingsRankings
95,674World Rank
848Country Rank
10UniversityRanking Based On Selection:10Social Sciences / Higher Education Studies
Learning Technologies | Digital Learning for Development | Higher Education Innovations | Professional LearninH-Index Metrics
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H-Index48
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i10 Index112
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Citation Counts9,355
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* Total H Index RankingsRankings
97,741World Rank
856Country Rank
11UniversityRanking Based On Selection:11Education / Education (Other, All)
Education and Training | Environment | Project Management | Management | ConstructioH-Index Metrics
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H-Index48
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i10 Index68
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Citation Counts11,086
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* Total H Index RankingsRankings
103,044World Rank
897Country Rank
12UniversityRanking Based On Selection:12Education / Education (Other, All)
Curriculum policy and theory with a special interest in citizenship education. Assessment and its cultural contextH-Index Metrics
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H-Index47
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i10 Index154
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Citation Counts7,678
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* Total H Index RankingsRankings
114,399World Rank
978Country Rank
13UniversityRanking Based On Selection:13* Total H Index RankingsRankings
116,336World Rank
992Country Rank
14UniversityRanking Based On Selection:14Education / Education (Other, All)
positive psychology | positive education | inclusive education | STEM learning | giftednesH-Index Metrics
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H-Index44
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i10 Index89
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Citation Counts6,100
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* Total H Index RankingsRankings
116,823World Rank
999Country Rank
15UniversityRanking Based On Selection:15Education / Education (Other, All)
Learning Disabilities | Literacy Development | Cognitive-Emotional Development | Mental Wellness | Family RelationshipH-Index Metrics
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H-Index44
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i10 Index125
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Citation Counts6,284
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* Total H Index RankingsRankings
137,480World Rank
1,155Country Rank
16UniversityRanking Based On Selection:16Education / Education (Other, All)
AI Literacy | Metaverse Literacy | Computational thinking education | E-Learning | Teaching DevelopmenH-Index Metrics
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H-Index41
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i10 Index95
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Citation Counts7,236
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* Total H Index RankingsRankings
170,659World Rank
1,367Country Rank
17UniversityRanking Based On Selection:17* Total H Index RankingsRankings
171,523World Rank
1,376Country Rank
18UniversityRanking Based On Selection:18Education / Education (Other, All)
Health Psychology | Sport and Exercise Psychology | Behavioural Science | Health EducatioH-Index Metrics
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H-Index37
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i10 Index69
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Citation Counts4,373
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* Total H Index RankingsRankings
180,843World Rank
1,425Country Rank
19UniversityRanking Based On Selection:19Education / Education (Other, All)
Philosophy of Education | Global Studies in Education | Civic Education | Curriculum StudieH-Index Metrics
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H-Index36
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i10 Index102
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Citation Counts4,695
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* Total H Index RankingsRankings
182,416World Rank
1,438Country Rank
20UniversityRanking Based On Selection:20* Total H Index RankingsRankings
184,861World Rank
1,447Country Rank
21UniversityRanking Based On Selection:21Education / Education (Other, All)
curriculum reform | language-in-education policies | comparative educatioH-Index Metrics
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H-Index36
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i10 Index65
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Citation Counts5,478
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* Total H Index RankingsRankings
201,486World Rank
1,541Country Rank
22UniversityRanking Based On Selection:22Education / Education (Other, All)
Educational Assessment | Formative Assessment | Self-assessment | Rasch MeasuremenH-Index Metrics
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H-Index34
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i10 Index56
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Citation Counts16,089
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* Total H Index RankingsRankings
203,638World Rank
1,558Country Rank
23UniversityRanking Based On Selection:23Education / Education (Other, All)
Curriculum & Pedagogy | Early Childhood Teacher Education | Music Teacher Education | GlocalizatioH-Index Metrics
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H-Index34
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i10 Index74
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Citation Counts3,365
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* Total H Index RankingsRankings
206,998World Rank
1,583Country Rank
24UniversityRanking Based On Selection:24* Total H Index RankingsRankings
211,063World Rank
1,604Country Rank
25UniversityRanking Based On Selection:25
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