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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 07, 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 (1.131.927) 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
356,952
World Rank
751
Country Rank
23
University
Ranking Based On Selection:
1
* Total H Index Rankings
Rankings
452,782
World Rank
1,075
Country Rank
39
University
Ranking Based On Selection:
2
Social Sciences / Linguistics and Literature
second language acquisition | corpus linguistics | English lexicology | interlanguage syntax and pragmatic
second language acquisition | corpus linguistics | English lexicology | interlanguage syntax and pragmatic
H-Index Metrics
-
H-Index22
-
i10 Index40
-
Citation Counts1,516
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* Total H Index Rankings
Rankings
489,850
World Rank
1,207
Country Rank
227
University
Ranking Based On Selection:
3
History, Philosophy, Theology / Philosophy
AI ethics | information ethics | digital ethics | bioethics | Buddhist philosoph
AI ethics | information ethics | digital ethics | bioethics | Buddhist philosoph
H-Index Metrics
-
H-Index21
-
i10 Index41
-
Citation Counts1,744
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* Total H Index Rankings
Rankings
512,211
World Rank
1,286
Country Rank
49
University
Ranking Based On Selection:
4
History, Philosophy, Theology / History
Taxonomy | Mamalogy | Chiroptera | Biodiversity | Biogeograph
Taxonomy | Mamalogy | Chiroptera | Biodiversity | Biogeograph
H-Index Metrics
-
H-Index20
-
i10 Index33
-
Citation Counts1,212
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* Total H Index Rankings
Rankings
518,800
World Rank
1,312
Country Rank
42
University
Ranking Based On Selection:
5
Social Sciences / Linguistics and Literature
learner autonomy | self access centre | learner trainin
learner autonomy | self access centre | learner trainin
H-Index Metrics
-
H-Index20
-
i10 Index23
-
Citation Counts1,298
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* Total H Index Rankings
Rankings
526,523
World Rank
1,344
Country Rank
1
University
Ranking Based On Selection:
6
History, Philosophy, Theology / Theology
Church Growth | Healthy Church | Christianity | Christian Behavio
Church Growth | Healthy Church | Christianity | Christian Behavio
H-Index Metrics
-
H-Index20
-
i10 Index34
-
Citation Counts1,596
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* Total H Index Rankings
Rankings
546,629
World Rank
1,421
Country Rank
20
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
613,390
World Rank
1,646
Country Rank
104
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
620,639
World Rank
1,682
Country Rank
140
University
Ranking Based On Selection:
9
Social Sciences / Arts
Multi-criteria decision making (MCDM) | Intellectual capital (IC) | Total Productive Maintenance (TPM) | Overall Equipment Effecti
Multi-criteria decision making (MCDM) | Intellectual capital (IC) | Total Productive Maintenance (TPM) | Overall Equipment Effecti
H-Index Metrics
-
H-Index17
-
i10 Index23
-
Citation Counts831
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* Total H Index Rankings
Rankings
631,677
World Rank
1,728
Country Rank
1
University
Ranking Based On Selection:
10
Social Sciences / Linguistics and Literature
English Written Discourse | Written Corrective Feedback | Genre Analysis | Second Language Writing Instruction and Research | Citat
English Written Discourse | Written Corrective Feedback | Genre Analysis | Second Language Writing Instruction and Research | Citat
H-Index Metrics
-
H-Index17
-
i10 Index24
-
Citation Counts896
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* Total H Index Rankings
Rankings
703,723
World Rank
2,000
Country Rank
332
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
716,967
World Rank
2,063
Country Rank
8
University
Ranking Based On Selection:
12
History, Philosophy, Theology / History
Herpetology | Taxonomy | Natural History | Geographic Disitributio
Herpetology | Taxonomy | Natural History | Geographic Disitributio
H-Index Metrics
-
H-Index15
-
i10 Index23
-
Citation Counts705
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Premium Data
* Total H Index Rankings
Rankings
733,897
World Rank
2,134
Country Rank
22
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
769,925
World Rank
2,273
Country Rank
25
University
Ranking Based On Selection:
14
Social Sciences / Linguistics and Literature
Historical linguistics | Phonology | Southeast Asian Linguistic
Historical linguistics | Phonology | Southeast Asian Linguistic
H-Index Metrics
-
H-Index14
-
i10 Index20
-
Citation Counts859
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* Total H Index Rankings
Rankings
815,869
World Rank
2,481
Country Rank
32
University
Ranking Based On Selection:
15
* Total H Index Rankings
Rankings
820,165
World Rank
2,499
Country Rank
26
University
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
854,060
World Rank
2,639
Country Rank
1
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
922,254
World Rank
3,016
Country Rank
72
University
Ranking Based On Selection:
18
Social Sciences / Arts
Music Education | Music Technology | Musicology | Ethnomusicology | Cultural Studie
Music Education | Music Technology | Musicology | Ethnomusicology | Cultural Studie
H-Index Metrics
-
H-Index11
-
i10 Index15
-
Citation Counts502
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Premium Data
* Total H Index Rankings
Rankings
925,661
World Rank
3,039
Country Rank
2
University
Ranking Based On Selection:
19
Social Sciences / Linguistics and Literature
Linguistics | culture | Literature | Humanities | pedagog
Linguistics | culture | Literature | Humanities | pedagog
H-Index Metrics
-
H-Index11
-
i10 Index13
-
Citation Counts639
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Premium Data
* Total H Index Rankings
Rankings
942,525
World Rank
3,141
Country Rank
9
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
949,308
World Rank
3,189
Country Rank
70
University
Ranking Based On Selection:
21
Social Sciences / Linguistics and Literature
applied linguistics | EMI | affective factors in language learning | English as a lingua franc
applied linguistics | EMI | affective factors in language learning | English as a lingua franc
H-Index Metrics
-
H-Index11
-
i10 Index13
-
Citation Counts406
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* Total H Index Rankings
Rankings
960,508
World Rank
3,258
Country Rank
74
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
968,303
World Rank
3,303
Country Rank
108
University
Ranking Based On Selection:
23
Social Sciences / Linguistics and Literature
English as a Lingua Franca World Englishes English Communicatio
English as a Lingua Franca World Englishes English Communicatio
H-Index Metrics
-
H-Index11
-
i10 Index12
-
Citation Counts426
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* Total H Index Rankings
Rankings
968,835
World Rank
3,305
Country Rank
16
University
Ranking Based On Selection:
24
Social Sciences / Linguistics and Literature
English Language Teaching and Learning | Learning Motivation | Learning Strategies | English for Specific Purposes | Critical Issues in English Language Teachin
English Language Teaching and Learning | Learning Motivation | Learning Strategies | English for Specific Purposes | Critical Issues in English Language Teachin
H-Index Metrics
-
H-Index11
-
i10 Index12
-
Citation Counts377
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Premium Data
* Total H Index Rankings
Rankings
987,164
World Rank
3,403
Country Rank
485
University
Ranking Based On Selection:
25
Social Sciences / Linguistics and Literature
corpus linguistics | computational linguistics | Thai linguistic
corpus linguistics | computational linguistics | Thai linguistic
H-Index Metrics
-
H-Index11
-
i10 Index12
-
Citation Counts591
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Premium Data
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