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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 01, 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 (1.131.752) 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
330,689
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
1
* Total H Index Rankings
Rankings
405,005
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
473,057
World Rank
3
Country Rank
2
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
772,013
World Rank
4
Country Rank
2
University
Ranking Based On Selection:
4
Natural Sciences / Chemical Sciences
Electrochemistry | Environmental Chemistry | Chemical Engineering | PEMFC | Natural Product Chemistr
Electrochemistry | Environmental Chemistry | Chemical Engineering | PEMFC | Natural Product Chemistr
H-Index Metrics
-
H-Index14
-
i10 Index17
-
Citation Counts1,058
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Premium Data
* Total H Index Rankings
Rankings
827,907
World Rank
5
Country Rank
1
University
Ranking Based On Selection:
5
Medical and Health Sciences / Veterinary Sciences
Animal Science | Food Science and Rural Developmen
Animal Science | Food Science and Rural Developmen
H-Index Metrics
-
H-Index13
-
i10 Index13
-
Citation Counts667
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Premium Data
* Total H Index Rankings
Rankings
832,580
World Rank
6
Country Rank
3
University
Ranking Based On Selection:
6
* Total H Index Rankings
Rankings
853,499
World Rank
7
Country Rank
4
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
912,283
World Rank
8
Country Rank
2
University
Ranking Based On Selection:
8
Agriculture & Forestry / Animal Science
Animal science /climate change adaptation/research developmen
Animal science /climate change adaptation/research developmen
H-Index Metrics
-
H-Index12
-
i10 Index16
-
Citation Counts756
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Premium Data
* Total H Index Rankings
Rankings
949,213
World Rank
9
Country Rank
5
University
Ranking Based On Selection:
9
* Total H Index Rankings
Rankings
953,993
World Rank
10
Country Rank
6
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
1,043,817
World Rank
11
Country Rank
7
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
1,051,204
World Rank
12
Country Rank
8
University
Ranking Based On Selection:
12
Engineering & Technology / Metallurgical & Materials Engineering
Biomaterials for Tissue Engineering | Nanocomposites material | Recycling waste plastic | Polymer–matr
Biomaterials for Tissue Engineering | Nanocomposites material | Recycling waste plastic | Polymer–matr
H-Index Metrics
-
H-Index10
-
i10 Index11
-
Citation Counts925
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Premium Data
* Total H Index Rankings
Rankings
1,055,474
World Rank
13
Country Rank
9
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
1,067,014
World Rank
14
Country Rank
10
University
Ranking Based On Selection:
14
Natural Sciences / Biological Science
microbial biotechnology in agriculture | food | medicine and environmen
microbial biotechnology in agriculture | food | medicine and environmen
H-Index Metrics
-
H-Index10
-
i10 Index11
-
Citation Counts326
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Premium Data
* Total H Index Rankings
Rankings
1,098,797
World Rank
15
Country Rank
11
University
Ranking Based On Selection:
15
* Total H Index Rankings
Rankings
1,105,225
World Rank
16
Country Rank
3
University
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
1,147,484
World Rank
17
Country Rank
12
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
1,178,507
World Rank
18
Country Rank
13
University
Ranking Based On Selection:
18
Agriculture & Forestry / Animal Science
Animal sciences (Goat sciences) | Genders | Trainers | Factilitato
Animal sciences (Goat sciences) | Genders | Trainers | Factilitato
H-Index Metrics
-
H-Index9
-
i10 Index8
-
Citation Counts187
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Premium Data
* Total H Index Rankings
Rankings
1,198,655
World Rank
19
Country Rank
14
University
Ranking Based On Selection:
19
Engineering & Technology / Food Science and Engineering
Food Safety | Food and Nutrition Security | NSA | Food System
Food Safety | Food and Nutrition Security | NSA | Food System
H-Index Metrics
-
H-Index8
-
i10 Index8
-
Citation Counts373
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Premium Data
* Total H Index Rankings
Rankings
1,275,509
World Rank
20
Country Rank
15
University
Ranking Based On Selection:
20
Natural Sciences / Biological Science
Research on Amphibian and Reptile Biodiversity and wildlife conservation
Research on Amphibian and Reptile Biodiversity and wildlife conservation
H-Index Metrics
-
H-Index8
-
i10 Index5
-
Citation Counts131
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Premium Data
* Total H Index Rankings
Rankings
1,334,554
World Rank
21
Country Rank
16
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
1,339,699
World Rank
22
Country Rank
17
University
Ranking Based On Selection:
22
Economics & Econometrics / Economics
Economics | Development Economics | Health Economics | Industrial Polic
Economics | Development Economics | Health Economics | Industrial Polic
H-Index Metrics
-
H-Index7
-
i10 Index6
-
Citation Counts298
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Premium Data
* Total H Index Rankings
Rankings
1,345,549
World Rank
23
Country Rank
18
University
Ranking Based On Selection:
23
Natural Sciences / Chemical Sciences
Environmental Chemistry | Water Quality | Food Contamination | Analytical Chemistr
Environmental Chemistry | Water Quality | Food Contamination | Analytical Chemistr
H-Index Metrics
-
H-Index7
-
i10 Index6
-
Citation Counts218
Get Full Access to
Premium Data
* Total H Index Rankings
Rankings
1,351,309
World Rank
24
Country Rank
19
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
1,430,804
World Rank
25
Country Rank
20
University
Ranking Based On Selection:
25
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