Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,690 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 1
William Raun
sensors
nutrient management
nitrogen
plant nutrition
developing world agriculture
Metrics
H-Index
i10 Index
Citation
76
224
22,329
* Rankings
Ranking Based On Selection: 2
Hailin Zhang
nutrient management
soil
water
plant and animal waste testing and interpretations
Metrics
H-Index
i10 Index
Citation
60
203
14,561
Tanka P Kandel
Agroecology
Crop management
Nutrient cycling
Greenhouse gas emission
Bioenergy crops
Metrics
H-Index
i10 Index
Citation
18
29
1,037
Harpreet Singh
Soil health
Remote sensing
Regenerative agriculture
Carbon sequestration
Cover crops
Metrics
H-Index
i10 Index
Citation
2
0
15
Rankings
Ranking Based On Selection: 1
William Raun
Metrics
H-Index
i10 Index
Citation Counts
76
224
22,329
sensors
nutrient management
nitrogen
plant nutrition
developing world agriculture
Rankings
Ranking Based On Selection: 2
Hailin Zhang
Metrics
H-Index
i10 Index
Citation Counts
60
203
14,561
nutrient management
soil
water
plant and animal waste testing and interpretations
Rankings
Ranking Based On Selection: 3
Shiping Deng
Metrics
H-Index
i10 Index
Citation Counts
34
45
5,068
Rankings
Ranking Based On Selection: 4
Tanka P Kandel
Metrics
H-Index
i10 Index
Citation Counts
18
29
1,037
Agroecology
Crop management
Nutrient cycling
Greenhouse gas emission
Bioenergy crops
Rankings
Ranking Based On Selection: 5
Harpreet Singh
Metrics
H-Index
i10 Index
Citation Counts
2
0
15
Soil health
Remote sensing
Regenerative agriculture
Carbon sequestration
Cover crops