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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
858,630
World Rank
731
Country Rank
1
University
Ranking Based On Selection:
1
* Total H Index Rankings
Rankings
1,192,981
World Rank
1,399
Country Rank
2
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
1,407,047
World Rank
2,015
Country Rank
3
University
Ranking Based On Selection:
3
Engineering & Technology / Civil Engineering
environment | water resources | civil engineering | technology management | educational management & processe
environment | water resources | civil engineering | technology management | educational management & processe
H-Index Metrics
-
H-Index7
-
i10 Index5
-
Citation Counts302
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* Total H Index Rankings
Rankings
1,479,030
World Rank
2,219
Country Rank
1
University
Ranking Based On Selection:
4
Education / Mathematics and Science Education
action research | animal physiology | environmental science | science teachin
action research | animal physiology | environmental science | science teachin
H-Index Metrics
-
H-Index6
-
i10 Index5
-
Citation Counts895
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* Total H Index Rankings
Rankings
1,592,934
World Rank
2,696
Country Rank
4
University
Ranking Based On Selection:
5
Education / Mathematics and Science Education
Chemistry Education | Solid Waste Management | Food safety | water quality assessment | Social Science
Chemistry Education | Solid Waste Management | Food safety | water quality assessment | Social Science
H-Index Metrics
-
H-Index6
-
i10 Index2
-
Citation Counts116
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* Total H Index Rankings
Rankings
1,593,722
World Rank
2,699
Country Rank
5
University
Ranking Based On Selection:
6
Education / Mathematics and Science Education
science education | educational testing and measurement | Physics Experiments | qualitative researc
science education | educational testing and measurement | Physics Experiments | qualitative researc
H-Index Metrics
-
H-Index6
-
i10 Index2
-
Citation Counts100
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Premium Data
* Total H Index Rankings
Rankings
1,716,952
World Rank
3,225
Country Rank
6
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
1,720,501
World Rank
3,242
Country Rank
7
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
1,736,433
World Rank
3,348
Country Rank
8
University
Ranking Based On Selection:
9
Agriculture & Forestry / Fisheries
Fisheries | Fish Processing Technology | Food Technology | Food Scienc
Fisheries | Fish Processing Technology | Food Technology | Food Scienc
H-Index Metrics
-
H-Index5
-
i10 Index2
-
Citation Counts57
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* Total H Index Rankings
Rankings
1,747,484
World Rank
3,424
Country Rank
9
University
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
Science Education | Chemistry | Environmental Science | Community Research and Social Scienc
Science Education | Chemistry | Environmental Science | Community Research and Social Scienc
H-Index Metrics
-
H-Index5
-
i10 Index1
-
Citation Counts48
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* Total H Index Rankings
Rankings
1,750,361
World Rank
3,447
Country Rank
1
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
1,775,717
World Rank
3,579
Country Rank
2
University
Ranking Based On Selection:
12
Agriculture & Forestry / Soil and Water Engineering and Conservation
Materials and Structural Engineering | Waste and Water Engineerin
Materials and Structural Engineering | Waste and Water Engineerin
H-Index Metrics
-
H-Index5
-
i10 Index3
-
Citation Counts77
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* Total H Index Rankings
Rankings
1,793,057
World Rank
3,674
Country Rank
3
University
Ranking Based On Selection:
13
Agriculture & Forestry / Soil Sciences and Plant Nutrition
Soil Science | pedology | soil fertility | soil remediatio
Soil Science | pedology | soil fertility | soil remediatio
H-Index Metrics
-
H-Index5
-
i10 Index1
-
Citation Counts66
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* Total H Index Rankings
Rankings
1,794,704
World Rank
3,690
Country Rank
2
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
1,859,421
World Rank
4,009
Country Rank
10
University
Ranking Based On Selection:
15
* Total H Index Rankings
Rankings
1,860,644
World Rank
4,020
Country Rank
3
University
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
Environmental Science | Island Studie
Environmental Science | Island Studie
H-Index Metrics
-
H-Index4
-
i10 Index3
-
Citation Counts95
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* Total H Index Rankings
Rankings
1,886,725
World Rank
4,212
Country Rank
4
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
1,901,031
World Rank
4,320
Country Rank
11
University
Ranking Based On Selection:
18
Engineering & Technology / Environmental Science & Engineering
Engineering Education | Environmental Engineering | Civil Engineering | Wastewater Engineering | Water Managemen
Engineering Education | Environmental Engineering | Civil Engineering | Wastewater Engineering | Water Managemen
H-Index Metrics
-
H-Index4
-
i10 Index2
-
Citation Counts67
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Premium Data
* Total H Index Rankings
Rankings
1,920,722
World Rank
4,507
Country Rank
12
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
1,927,669
World Rank
4,566
Country Rank
5
University
Ranking Based On Selection:
20
Engineering & Technology / Computer Science
topic modelling | data security | data mining | sentiment analysis | data scienc
topic modelling | data security | data mining | sentiment analysis | data scienc
H-Index Metrics
-
H-Index4
-
i10 Index1
-
Citation Counts72
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* Total H Index Rankings
Rankings
1,927,857
World Rank
4,567
Country Rank
13
University
Ranking Based On Selection:
21
Social Sciences / Psychology
social sciences | psychology | social science research | research methodolog
social sciences | psychology | social science research | research methodolog
H-Index Metrics
-
H-Index4
-
i10 Index1
-
Citation Counts71
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Premium Data
* Total H Index Rankings
Rankings
1,939,213
World Rank
4,680
Country Rank
4
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
1,940,941
World Rank
4,711
Country Rank
5
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
1,952,323
World Rank
4,849
Country Rank
6
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
1,960,633
World Rank
4,955
Country Rank
7
University
Ranking Based On Selection:
25
Business & Management / Business Administration
TOURISM | HOSPITALITY | EDUCATION | BUSINESS MANAGEMEN
TOURISM | HOSPITALITY | EDUCATION | BUSINESS MANAGEMEN
H-Index Metrics
-
H-Index4
-
i10 Index0
-
Citation Counts30
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Premium Data
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