Total 2,393,018 scientists, country 221, and institutions 24,453 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
high energy physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
766
710
0.927
* Total i10 IndexRankings
Ranking Based On Selection: 2
Anaesthesia
Intensive care
Pain Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
549
531
0.967
* Total i10 IndexRankings
Ranking Based On Selection: 3
High Energy Physics
Condensed Matter Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
388
343
0.884
* Total i10 IndexRankings
Ranking Based On Selection: 4
Particle Physics
Computational Science
Atmospheric Sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
356
289
0.812
* Total i10 IndexRankings
Ranking Based On Selection: 5
Water Resources Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
284
242
0.852
* Total i10 IndexRankings
Ranking Based On Selection: 6
Microplastics
Biochar
Emerging Contaminants
Remediation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
275
260
0.945
* Total i10 IndexRankings
Ranking Based On Selection: 7
Relativistic Heavy Ion Physics
Particle Physics
Instrumentation
Chaos
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
237
219
0.924
* Total i10 IndexRankings
Ranking Based On Selection: 8
Gas Electron Mulltipliers
Lepton Flavor Violation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
229
228
0.996
* Total i10 IndexRankings
Ranking Based On Selection: 9
Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
222
134
0.604
* Total i10 IndexRankings
Ranking Based On Selection: 10
Resource recovery & reuse
Urban agriculture
Safe wastewater use
Soil fertility & plant nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
201
131
0.652
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* Total i10 IndexRankings
Ranking Based On Selection: 11
hydrology and water resources
climate change
ecosystems
food systems
sustainability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
183
117
0.639
* Total i10 IndexRankings
Ranking Based On Selection: 12
Public Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
179
131
0.732
* Total i10 IndexRankings
Ranking Based On Selection: 13
Climate Change
Environment
Food Systems
Health
Water-Energy-Food Nexus
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
149
0.937
* Total i10 IndexRankings
Ranking Based On Selection: 14
Theoretical Physics
Elementary Particles
Condensed Matter Physics
Applied Mathematics
Solar Energy Conversion
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
154
48
0.312
* Total i10 IndexRankings
Ranking Based On Selection: 15
Soil
Water
Land and Crop Management
modelling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
145
47
0.324
* Total i10 IndexRankings
Ranking Based On Selection: 16
Applied Mechanics
Mechanics of Materials
Geomechanics
Nanomechanics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
144
79
0.549
* Total i10 IndexRankings
Ranking Based On Selection: 17
water resources management
wetlands
livelihoods
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
73
0.510
* Total i10 IndexRankings
Ranking Based On Selection: 18
Mammalian Biology
Physiology
Bio activity of natural products
Toxicology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
57
0.399
* Total i10 IndexRankings
Ranking Based On Selection: 19
Particle Phyiscs
Radiation Physics
Medical Image Processing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
141
74
0.525
* Total i10 IndexRankings
Ranking Based On Selection: 20
water development
gender
poverty eradication
water law
community-driven development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
141
66
0.468
* Total i10 IndexRankings
Ranking Based On Selection: 21
Smart grid
renewables
Power electronics
power systems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
140
85
0.607
* Total i10 IndexRankings
Ranking Based On Selection: 22
water quality
soils
river basin management
irrigation
water futures and scenarios
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
135
68
0.504
* Total i10 IndexRankings
Ranking Based On Selection: 23
Injury Prevention
road traffic injury prevention
health economics
global health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
131
120
0.916
* Total i10 IndexRankings
Ranking Based On Selection: 24
Geochemistry
medical Geology
water quality environment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
131
48
0.366
* Total i10 IndexRankings
Ranking Based On Selection: 25
Accounting and Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
128
119
0.930
N Wickramage
University of Ruhuna
Matara and Galle, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
766
710
0.927
Indunil Karunarathna|I Karunarathna
University of Colombo
Colombo, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
549
531
0.967
Anaesthesia
Intensive care
Pain Medicine
Wgd Dharmaratna|Welathantri G D Dharmaratna, Welathantri Dharmaratna, W Dharmaratna
University of Ruhuna
Matara and Galle, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
388
343
0.884
High Energy Physics
Condensed Matter Physics
Upul Sonnadara
University of Colombo
Colombo, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
356
289
0.812
Particle Physics
Computational Science
Atmospheric Sciences
Mohammad Mohsin Hafeez
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
284
242
0.852
Meththika Vithanage
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
275
260
0.945
Microplastics
Biochar
Emerging Contaminants
Remediation
Malagalage Kithsiri Jayananda
University of Colombo
Colombo, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
237
219
0.924
Relativistic Heavy Ion Physics
Particle Physics
Instrumentation
Chaos
Nimantha Perera
University of Ruhuna
Matara and Galle, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
229
228
0.996
HJ De Silva
University of Kelaniya
Kelaniya, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
222
134
0.604
Pay Drechsel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
201
131
0.652
Resource recovery & reuse
Urban agriculture
Safe wastewater use
Soil fertility & plant nutrition
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Stefan Uhlenbrook
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
183
117
0.639
hydrology and water resources
climate change
ecosystems
food systems
sustainability
Ananda Rajitha Wickremasinghe
University of Kelaniya
Kelaniya, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
179
131
0.732
Tafadzwanashe Mabhaudhi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
149
0.937
Climate Change
Environment
Food Systems
Health
Water-Energy-Food Nexus
K Tennakone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
154
48
0.312
Theoretical Physics
Elementary Particles
Condensed Matter Physics
Applied Mathematics
Solar Energy Conversion
Bharat Sharma
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
145
47
0.324
Soil
Water
Land and Crop Management
modelling
Rknd Rajapakse
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
144
79
0.549
Applied Mechanics
Mechanics of Materials
Geomechanics
Nanomechanics
Matthew Mccartney
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
73
0.510
Daya Ratnasooriya
University of Colombo
Colombo, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
57
0.399
Mammalian Biology
Physiology
Bio activity of natural products
Toxicology
Ayesh Jayasinghe
University of Peradeniya
Peradeniya, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
141
74
0.525
Particle Phyiscs
Radiation Physics
Medical Image Processing
Barbara Van Koppen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
141
66
0.468
water development
gender
poverty eradication
water law
community-driven development
Janaka Ekanayake
University of Peradeniya
Peradeniya, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
140
85
0.607
Smart grid
renewables
Power electronics
power systems
Simon Langan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
135
68
0.504
water quality
soils
river basin management
irrigation
water futures and scenarios
Samath D Dharmaratne
University of Peradeniya
Peradeniya, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
131
120
0.916
Injury Prevention
road traffic injury prevention
health economics
global health
CB Dissanayake
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
131
48
0.366
Geochemistry
medical Geology
water quality environment
Kennedy D Gunawardana
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
128
119
0.930
Accounting and Management