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Sri Lanka 2,626,817 Scientists H-Index Rankings - 2026

Track the real-time academic impact of 2.6 million scientists across 221 countries. The H-Index Rankings evaluate both total and last 5 years’ H-index values, offering the most transparent measure of scholarly recognition. Compare global, continental, national, and institutional performance across 13 major fields and 221 disciplines.

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Total 2.626.817 scientist, 221 country, 24.507 institution , Updates every 3 days
* Total H Index Rankings

Rankings

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660
World Rank
Sri Lanka
1
Country Rank
University of Ruhuna Logo
1
University
Ranking Based On Selection:
1
N Wickramage
University of Ruhuna Matara and Galle, Sri Lanka
Natural Sciences / Physics
high energy physic

H-Index Metrics

  • Total
    202
  • Last 5 Years
    136
  • Last 5 Years / Total
    0.673
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* Total H Index Rankings

Rankings

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6,234
World Rank
Sri Lanka
2
Country Rank
University of Ruhuna Logo
2
University
Ranking Based On Selection:
2
Wgd Dharmaratna|Welathantri G D Dharmaratna, Welathantri Dharmaratna, W Dharmaratna
University of Ruhuna Matara and Galle, Sri Lanka
Natural Sciences / Physics
High Energy Physics | Condensed Matter Physic

H-Index Metrics

  • Total
    113
  • Last 5 Years
    95
  • Last 5 Years / Total
    0.841
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* Total H Index Rankings

Rankings

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12,444
World Rank
Sri Lanka
3
Country Rank
University of Sri Jayewardenepura Logo
1
University
Ranking Based On Selection:
3
Meththika Vithanage
University of Sri Jayewardenepura Nugegoda, Sri Lanka
Natural Sciences / Biological Science
Microplastics | Biochar | Emerging Contaminants | Remediatio

H-Index Metrics

  • Total
    94
  • Last 5 Years
    87
  • Last 5 Years / Total
    0.926
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* Total H Index Rankings

Rankings

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13,428
World Rank
Sri Lanka
4
Country Rank
University of Peradeniya Logo
1
University
Ranking Based On Selection:
4
Samath D Dharmaratne
University of Peradeniya Peradeniya, Sri Lanka
Economics & Econometrics / Economics
Injury Prevention | road traffic injury prevention | health economics | global healt

H-Index Metrics

  • Total
    92
  • Last 5 Years
    90
  • Last 5 Years / Total
    0.978
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* Total H Index Rankings

Rankings

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17,110
World Rank
Sri Lanka
5
Country Rank
University of Colombo Logo
1
University
Ranking Based On Selection:
5
Upul Sonnadara
University of Colombo Colombo, Sri Lanka
Natural Sciences / Physics
Particle Physics | Computational Science | Atmospheric Science

H-Index Metrics

  • Total
    86
  • Last 5 Years
    80
  • Last 5 Years / Total
    0.930
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* Total H Index Rankings

Rankings

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22,862
World Rank
Sri Lanka
6
Country Rank
University of Colombo Logo
2
University
Ranking Based On Selection:
6
Malagalage Kithsiri Jayananda
University of Colombo Colombo, Sri Lanka
Natural Sciences / Physics
Relativistic Heavy Ion Physics | Particle Physics | Instrumentation | Chao

H-Index Metrics

  • Total
    79
  • Last 5 Years
    77
  • Last 5 Years / Total
    0.975
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* Total H Index Rankings

Rankings

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23,859
World Rank
Sri Lanka
7
Country Rank
University of Ruhuna Logo
3
University
Ranking Based On Selection:
7
Nimantha Perera
University of Ruhuna Matara and Galle, Sri Lanka
Others
Gas Electron Mulltipliers | Lepton Flavor Violatio

H-Index Metrics

  • Total
    78
  • Last 5 Years
    77
  • Last 5 Years / Total
    0.987
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* Total H Index Rankings

Rankings

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28,792
World Rank
Sri Lanka
8
Country Rank
International Water Management Institute (IWMI) Logo
1
University
Ranking Based On Selection:
8
Stefan Uhlenbrook
International Water Management Institute (IWMI) Colombo, Sri Lanka
Others
hydrology and water resources | climate change | ecosystems | food systems | sustainabilit

H-Index Metrics

  • Total
    74
  • Last 5 Years
    48
  • Last 5 Years / Total
    0.649
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* Total H Index Rankings

Rankings

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31,626
World Rank
Sri Lanka
9
Country Rank
International Water Management Institute (IWMI) Logo
2
University
Ranking Based On Selection:
9
Pay Drechsel
International Water Management Institute (IWMI) Colombo, Sri Lanka
Agriculture & Forestry / Soil Sciences and Plant Nutrition
Resource recovery & reuse | Urban agriculture | Safe wastewater use | Soil fertility & plant nutritio

H-Index Metrics

  • Total
    72
  • Last 5 Years
    43
  • Last 5 Years / Total
    0.597
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* Total H Index Rankings

Rankings

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38,420
World Rank
Sri Lanka
10
Country Rank
University of Peradeniya Logo
2
University
Ranking Based On Selection:
10
Ayesh Jayasinghe
University of Peradeniya Peradeniya, Sri Lanka
Natural Sciences / Physics
Particle Phyiscs | Radiation Physics | Medical Image Processin

H-Index Metrics

  • Total
    68
  • Last 5 Years
    28
  • Last 5 Years / Total
    0.412
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* Total H Index Rankings

Rankings

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40,966
World Rank
Sri Lanka
11
Country Rank
University of Kelaniya Logo
1
University
Ranking Based On Selection:
11
HJ De Silva
University of Kelaniya Kelaniya, Sri Lanka
Others
Medicin

H-Index Metrics

  • Total
    66
  • Last 5 Years
    46
  • Last 5 Years / Total
    0.697
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* Total H Index Rankings

Rankings

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48,696
World Rank
Sri Lanka
12
Country Rank
International Water Management Institute (IWMI) Logo
3
University
Ranking Based On Selection:
12
Mohammad Mohsin Hafeez
International Water Management Institute (IWMI) Colombo, Sri Lanka
Others
Water Resources Managemen

H-Index Metrics

  • Total
    62
  • Last 5 Years
    56
  • Last 5 Years / Total
    0.903
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* Total H Index Rankings

Rankings

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54,366
World Rank
Sri Lanka
13
Country Rank
University of Kelaniya Logo
2
University
Ranking Based On Selection:
13
Ananda Rajitha Wickremasinghe
University of Kelaniya Kelaniya, Sri Lanka
Medical and Health Sciences / Epidemiology and Public Health
Public Healt

H-Index Metrics

  • Total
    60
  • Last 5 Years
    42
  • Last 5 Years / Total
    0.700
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* Total H Index Rankings

Rankings

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62,725
World Rank
Sri Lanka
14
Country Rank
University of Peradeniya Logo
3
University
Ranking Based On Selection:
14
Janaka Ekanayake
University of Peradeniya Peradeniya, Sri Lanka
Engineering & Technology / Electrical & Electronic Engineering
Smart grid | renewables | Power electronics | power system

H-Index Metrics

  • Total
    57
  • Last 5 Years
    40
  • Last 5 Years / Total
    0.702
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* Total H Index Rankings

Rankings

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67,945
World Rank
Sri Lanka
15
Country Rank
International Water Management Institute (IWMI) Logo
4
University
Ranking Based On Selection:
15
Tafadzwanashe Mabhaudhi
International Water Management Institute (IWMI) Colombo, Sri Lanka
Agriculture & Forestry / Agriculture
Climate Change | Environment | Food Systems | Health | Water-Energy-Food Nexu

H-Index Metrics

  • Total
    55
  • Last 5 Years
    54
  • Last 5 Years / Total
    0.982
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* Total H Index Rankings

Rankings

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68,206
World Rank
Sri Lanka
16
Country Rank
University of Colombo Logo
3
University
Ranking Based On Selection:
16
Priyanga Ranasinghe
University of Colombo Colombo, Sri Lanka
Medical and Health Sciences / Pharmacology
Clinical Pharmacology | Hypertension | Pharmacogenomic

H-Index Metrics

  • Total
    55
  • Last 5 Years
    48
  • Last 5 Years / Total
    0.873
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* Total H Index Rankings

Rankings

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69,623
World Rank
Sri Lanka
17
Country Rank
International Water Management Institute (IWMI) Logo
5
University
Ranking Based On Selection:
17
Simon Langan
International Water Management Institute (IWMI) Colombo, Sri Lanka
Others
water quality | soils | river basin management | irrigation | water futures and scenario

H-Index Metrics

  • Total
    55
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.655
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* Total H Index Rankings

Rankings

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71,534
World Rank
Sri Lanka
18
Country Rank
University of Colombo Logo
4
University
Ranking Based On Selection:
18
Ranil Jayawardena
University of Colombo Colombo, Sri Lanka
Medical and Health Sciences / Nutrition and Dietetics
Nutrition | Obesity | Non-communicable Disease

H-Index Metrics

  • Total
    54
  • Last 5 Years
    49
  • Last 5 Years / Total
    0.907
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* Total H Index Rankings

Rankings

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78,140
World Rank
Sri Lanka
19
Country Rank
Sabaragamuwa University Logo
1
University
Ranking Based On Selection:
19
Atula Sd Sandanayaka
Sabaragamuwa University Sendai, Sri Lanka
Others
Organic laser | Organic Light-Emitting Device | Organic semiconductor | Supramolecular Architecture for Light Energy Conversion | O

H-Index Metrics

  • Total
    53
  • Last 5 Years
    28
  • Last 5 Years / Total
    0.528
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* Total H Index Rankings

Rankings

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78,796
World Rank
Sri Lanka
20
Country Rank
National Institute of Fundamental Studies Sri Lanka Logo
1
University
Ranking Based On Selection:
20
K Tennakone
National Institute of Fundamental Studies Sri Lanka Nagoya, Sri Lanka
Natural Sciences / Physics
Theoretical Physics | Elementary Particles | Condensed Matter Physics | Applied Mathematics | Solar Energy Conversio

H-Index Metrics

  • Total
    53
  • Last 5 Years
    20
  • Last 5 Years / Total
    0.377
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* Total H Index Rankings

Rankings

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81,525
World Rank
Sri Lanka
21
Country Rank
Sri Lanka Institute of Information Technology Logo
1
University
Ranking Based On Selection:
21
Rknd Rajapakse
Sri Lanka Institute of Information Technology Malabe, Sri Lanka
Engineering & Technology / Mechanical Engineering
Applied Mechanics | Mechanics of Materials | Geomechanics | Nanomechanic

H-Index Metrics

  • Total
    52
  • Last 5 Years
    31
  • Last 5 Years / Total
    0.596
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* Total H Index Rankings

Rankings

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84,772
World Rank
Sri Lanka
22
Country Rank
National Institute of Fundamental Studies Sri Lanka Logo
2
University
Ranking Based On Selection:
22
Saman Seneweera
National Institute of Fundamental Studies Sri Lanka Nagoya, Sri Lanka
Agriculture & Forestry / Plant Science
Climate Change Biology | Plant Physiology | Agriculture | Molecular Biology | Genetic

H-Index Metrics

  • Total
    51
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.706
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* Total H Index Rankings

Rankings

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96,162
World Rank
Sri Lanka
23
Country Rank
International Water Management Institute (IWMI) Logo
6
University
Ranking Based On Selection:
23
Barbara Van Koppen
International Water Management Institute (IWMI) Colombo, Sri Lanka
Law / Law and Legal Studies
water tenure and law | decolonization | community-driven gendered multiple-use water services (MUS

H-Index Metrics

  • Total
    49
  • Last 5 Years
    24
  • Last 5 Years / Total
    0.490
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* Total H Index Rankings

Rankings

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101,899
World Rank
Sri Lanka
24
Country Rank
Rajarata University Logo
1
University
Ranking Based On Selection:
24
Nuwan Darshana Wickramasinghe
Rajarata University Mihintale, Sri Lanka
Medical and Health Sciences / Epidemiology and Public Health
Public Health | Mental Health | Maternal and Child Health | Global Healt

H-Index Metrics

  • Total
    47
  • Last 5 Years
    45
  • Last 5 Years / Total
    0.957
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* Total H Index Rankings

Rankings

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102,328
World Rank
Sri Lanka
25
Country Rank
University of Colombo Logo
5
University
Ranking Based On Selection:
25
Prasad Katulanda
University of Colombo Colombo, Sri Lanka
Medical and Health Sciences / Endocrinology and Metabolism
Diabetes | Endocrinology and Non-Communicable Diseases | Epidemiolog

H-Index Metrics

  • Total
    47
  • Last 5 Years
    41
  • Last 5 Years / Total
    0.872
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