| Clinical Medicine · 393 listed authors (30.8%) |
| Neurology & Neurosurgery | 53 | 4.2% | 32 | Salminen, Antero #1,495 |
| Cardiovascular System & Hematology | 37 | 2.9% | 19 | Taskinen, Marja Riitta #8,614 |
| Endocrinology & Metabolism | 26 | 2.0% | 15 | Tuomilehto, Jaakko O.I. #2,583 |
| General & Internal Medicine | 21 | 1.6% | 7 | Kivimaki, Mika Shipley #1,314 |
| Oncology & Carcinogenesis | 21 | 1.6% | 7 | Joensuu, Heikki T. #4,667 |
| Dentistry | 20 | 1.6% | 7 | Vallittu, Pekka Kalevi #12,749 |
| Pharmacology & Pharmacy | 18 | 1.4% | 2 | Urtti, Arto O. #19,334 |
| Obstetrics & Reproductive Medicine | 16 | 1.3% | 3 | Piltonen, Terhi T. #40,467 |
| Pediatrics | 16 | 1.3% | 4 | Isolauri, Erika #27,373 |
| Orthopedics | 14 | 1.1% | 2 | Kannus, Pekka A. #11,982 |
| Environmental & Occupational Health | 13 | 1.0% | 5 | Virtanen, Marianna #36,169 |
| Psychiatry | 13 | 1.0% | 10 | Jokela, Markus M. #7,164 |
| Gastroenterology & Hepatology | 11 | 0.9% | 2 | Åberg, Fredrik O. #34,124 |
| Sport Sciences | 11 | 0.9% | 7 | Komi, Paavo V. #14,910 |
| Surgery | 11 | 0.9% | 2 | Leppäniemi, Ari Kalevi #27,176 |
| Immunology | 9 | 0.7% | 1 | Meri, Seppo K. #79,719 |
| Arthritis & Rheumatology | 6 | 0.5% | 2 | Mobasheri, Ali #5,817 |
| Dermatology & Venereal Diseases | 6 | 0.5% | 1 | Kługer, Nicolas #86,248 |
| Anesthesiology | 5 | 0.4% | 1 | Kalso, Eija Anneli #39,630 |
| Allergy | 4 | 0.3% | 1 | Haahtela, Tari M.K. #20,043 |
| Emergency & Critical Care Medicine | 4 | 0.3% | 0 | Skrifvars, Markus B.B. #106,575 |
| Ophthalmology & Optometry | 4 | 0.3% | 2 | Kaarniranta, Kai #13,898 |
| Otorhinolaryngology | 4 | 0.3% | 1 | Måkitie, Antti Aarni #51,219 |
| Legal & Forensic Medicine | 3 | 0.2% | 0 | Oura, Petteri #443,996 |
| Geriatrics | 2 | 0.2% | 2 | Rantanen, Taina #34,492 |
| Pathology | 2 | 0.2% | 1 | Leivo, Ilmo V.V. #81,913 |
| Urology & Nephrology | 2 | 0.2% | 0 | Tammela, Teuvo L.J. #154,536 |
| General Clinical Medicine | 1 | 0.1% | 0 | Pettersson, Kim S.I. #1,165,274 |
| Nuclear Medicine & Medical Imaging | 1 | 0.1% | 0 | Laakso, Ilkka M. #255,526 |
| Respiratory System | 1 | 0.1% | 0 | Kankaanranta, Hannu #211,851 |
| Information & Communication Technologies · 132 listed authors (10.3%) |
| Artificial Intelligence & Image Processing | 54 | 4.2% | 26 | Hamari, Juho J. #463 |
| Networking & Telecommunications | 54 | 4.2% | 14 | Basar, Ertugrul #2,035 |
| Information Systems | 9 | 0.7% | 8 | Islam, Najmul K.M. #8,165 |
| Software Engineering | 8 | 0.6% | 1 | Lehtinen, Jaakko #29,400 |
| Medical Informatics | 4 | 0.3% | 1 | Kujala, Sari #65,486 |
| Computation Theory & Mathematics | 3 | 0.2% | 0 | Odlyzko, Andrew M. #139,333 |
| Enabling & Strategic Technologies · 84 listed authors (6.6%) |
| Energy | 40 | 3.1% | 18 | Breyer, Christian #3,294 |
| Materials | 27 | 2.1% | 6 | Mozafari, Masoud Amin #5,559 |
| Nanoscience & Nanotechnology | 8 | 0.6% | 8 | Sun, Zhipei #21,501 |
| Optoelectronics & Photonics | 7 | 0.5% | 0 | Salminen, Antti S. #199,896 |
| Biotechnology | 5 | 0.4% | 2 | Rodríguez-Couto, Susana #23,548 |
| Bioinformatics | 3 | 0.2% | 2 | Tang, Jing #24,815 |
| Strategic, Defence & Security Studies | 2 | 0.2% | 0 | Domenech, Josefa #270,185 |
| Agriculture, Fisheries & Forestry · 81 listed authors (6.3%) |
| Forestry | 47 | 3.7% | 6 | Hill, Callum Aidan Stephen #17,102 |
| Food Science | 15 | 1.2% | 12 | Bertoft, Eric #17,143 |
| Dairy & Animal Science | 11 | 0.9% | 2 | Huhtanen, Pekka J. #68,878 |
| Agronomy & Agriculture | 9 | 0.7% | 5 | Berg, Björn #18,733 |
| Veterinary Sciences | 5 | 0.4% | 1 | Pyörälä, Satu P. #86,149 |
| Fisheries | 3 | 0.2% | 1 | Lindholm-Lehto, Petra Camilla #83,472 |
| Physics & Astronomy · 80 listed authors (6.3%) |
| Applied Physics | 25 | 2.0% | 9 | Virtanen, Pauli #11,024 |
| Nuclear & Particle Physics | 15 | 1.2% | 3 | Törnqvist, Nils A. #62,594 |
| Chemical Physics | 12 | 0.9% | 6 | Pyykkö, Pekka #3,802 |
| Acoustics | 8 | 0.6% | 3 | Virtanen, Tuomas #32,218 |
| Optics | 7 | 0.5% | 0 | Fickler, Robert #128,724 |
| General Physics | 6 | 0.5% | 1 | Törmä, Päivi #10,391 |
| Astronomy & Astrophysics | 4 | 0.3% | 3 | Usoskin, Ilya G. #17,031 |
| Mathematical Physics | 3 | 0.2% | 0 | Hietarinta, Jarmo #103,228 |
| Fluids & Plasmas | 2 | 0.2% | 1 | Holme, Petter #11,939 |
| Social Sciences · 80 listed authors (6.3%) |
| Education | 44 | 3.4% | 22 | Salmela-Aro, Katariina #3,097 |
| Geography | 7 | 0.5% | 7 | Paasi, Anssi #4,891 |
| Information & Library Sciences | 7 | 0.5% | 3 | Savolainen, Reijo #12,080 |
| Political Science & Public Administration | 4 | 0.3% | 4 | Oberthür, Sebastian #42,254 |
| Law | 3 | 0.2% | 2 | Koskenniemi, Martti #24,923 |
| Gender Studies | 2 | 0.2% | 2 | Paasonen, Susanna #57,559 |
| Science Studies | 2 | 0.2% | 2 | Meyer, Martin S. #82,852 |
| Demography | 1 | 0.1% | 0 | Jalovaara, Marika #131,128 |
| Family Studies | 1 | 0.1% | 0 | Seikkula, Jaakko #117,689 |
| Social Work | 1 | 0.1% | 0 | Alanen, Leena #230,355 |
| Sociology | 1 | 0.1% | 1 | Keskinen, Suvi #99,913 |
| Biomedical Research · 74 listed authors (5.8%) |
| Microbiology | 22 | 1.7% | 8 | Salminen, Seppo Jaakko #5,300 |
| Biochemistry & Molecular Biology | 18 | 1.4% | 8 | Eskelinen, Eeva Liisa #11,923 |
| Developmental Biology | 18 | 1.4% | 12 | Alitalo, Kari K. #6,033 |
| Nutrition & Dietetics | 8 | 0.6% | 2 | Hanhineva, Kati J. #65,185 |
| Virology | 7 | 0.5% | 2 | Simmonds, Peter N. #6,156 |
| Genetics & Heredity | 6 | 0.5% | 3 | Peltonen-Palotie, Leena Johanna #8,387 |
| Toxicology | 6 | 0.5% | 1 | Jaakkola, Jouni J.K. #20,498 |
| Physiology | 4 | 0.3% | 0 | Nikinmaa, Mikko J. #152,015 |
| Biophysics | 2 | 0.2% | 1 | Slotte, Johan Peter #91,674 |
| Mycology & Parasitology | 1 | 0.1% | 0 | Miettinen, Otto #407,793 |
| Biology · 68 listed authors (5.3%) |
| Ecology | 25 | 2.0% | 23 | Hanski, Ilkka A. #3,925 |
| Plant Biology & Botany | 21 | 1.6% | 8 | Aro, Eva Mari #20,216 |
| Marine Biology & Hydrobiology | 9 | 0.7% | 1 | Lehtiniemi, Maiju #83,859 |
| Evolutionary Biology | 3 | 0.2% | 1 | Löytynoja, Ari P. #94,091 |
| Zoology | 3 | 0.2% | 0 | Zamani, Alireza #495,109 |
| Entomology | 1 | 0.1% | 1 | Salminen, Juha Pekka #97,864 |
| Ornithology | 1 | 0.1% | 0 | Solonén, Tapio #770,850 |
| Economics & Business · 59 listed authors (4.6%) |
| Business & Management | 29 | 2.3% | 28 | Ritala, Paavo #2,145 |
| Marketing | 13 | 1.0% | 13 | Grönroos, Christian #1,880 |
| Accounting | 3 | 0.2% | 3 | Lukka, Kari #63,064 |
| Sport, Leisure & Tourism | 3 | 0.2% | 3 | Saarinen, Jarkko #13,588 |
| Logistics & Transportation | 2 | 0.2% | 0 | Summala, Heikki #127,641 |
| Development Studies | 1 | 0.1% | 1 | Kröger, Markus #76,425 |
| Economics | 1 | 0.1% | 1 | Lujala, Päivi #73,199 |
| Finance | 1 | 0.1% | 1 | Bossman, Ahmed #83,682 |
| Engineering · 56 listed authors (4.4%) |
| Electrical & Electronic Engineering | 14 | 1.1% | 3 | Dorrell, David G. #19,220 |
| Mining & Metallurgy | 13 | 1.0% | 2 | Holappa, Lauri E.K. #64,213 |
| Chemical Engineering | 8 | 0.6% | 5 | Bhatnagar, Amit #3,922 |
| Geological & Geomatics Engineering | 7 | 0.5% | 4 | Zhang, Zongxian #25,379 |
| Environmental Engineering | 5 | 0.4% | 4 | Kummu, Matti #12,152 |
| Mechanical Engineering & Transports | 5 | 0.4% | 1 | Holmberg, Kenneth #31,650 |
| Biomedical Engineering | 4 | 0.3% | 0 | Tarvainen, Mika P. #121,468 |
| Industrial Engineering & Automation | 3 | 0.2% | 2 | LaValle, Steven M. #5,864 |
| Operations Research | 2 | 0.2% | 1 | Kuosmanen, Timo #33,388 |
| Civil Engineering | 1 | 0.1% | 0 | Lin, Weiwei #173,105 |
| Chemistry · 49 listed authors (3.8%) |
| Polymers | 20 | 1.6% | 8 | Sixta, Herbert #27,671 |
| Physical Chemistry | 6 | 0.5% | 3 | Häkkinen, Hannu J. #8,861 |
| Analytical Chemistry | 5 | 0.4% | 1 | Bobacka, Johan #39,347 |
| Medicinal & Biomolecular Chemistry | 5 | 0.4% | 0 | Pantsar, Tatu #119,025 |
| Organic Chemistry | 5 | 0.4% | 2 | Rissanen, Kari T. #53,920 |
| Inorganic & Nuclear Chemistry | 2 | 0.2% | 0 | Parmar, Bhavesh #333,612 |
| Public Health & Health Services · 30 listed authors (2.4%) |
| Nursing | 16 | 1.3% | 4 | Elo, Satu #38,504 |
| Public Health | 12 | 0.9% | 6 | Lallukka, Tea M. #32,264 |
| Gerontology | 4 | 0.3% | 2 | Jylhá, Marja K. #24,102 |
| Speech-Language Pathology & Audiology | 4 | 0.3% | 1 | Alku, Paavo #44,923 |
| Epidemiology | 2 | 0.2% | 1 | Knekt, Paul B. #90,352 |
| Rehabilitation | 2 | 0.2% | 0 | Kröger, Teppo #238,427 |
| Health Policy & Services | 1 | 0.1% | 0 | Sintonen, Harri Pekka #110,973 |
| Substance Abuse | 1 | 0.1% | 1 | Oksanen, Atte #27,035 |
| Earth & Environmental Sciences · 28 listed authors (2.2%) |
| Meteorology & Atmospheric Sciences | 16 | 1.3% | 13 | Kulmala, Markku #5,741 |
| Environmental Sciences | 7 | 0.5% | 7 | Niinimäki, Kirsi #17,317 |
| Paleontology | 4 | 0.3% | 0 | Fortelius, Mikael #142,278 |
| Geology | 2 | 0.2% | 0 | Nykänen, Vesa M. #290,352 |
| Oceanography | 1 | 0.1% | 0 | Rudels, Bert #108,326 |
| Psychology & Cognitive Sciences · 19 listed authors (1.5%) |
| Experimental Psychology | 6 | 0.5% | 6 | Hyönä, Jukka #45,736 |
| Social Psychology | 5 | 0.4% | 5 | Runco, Mark A. #1,866 |
| Developmental & Child Psychology | 3 | 0.2% | 3 | Salmivalli, Christina #5,647 |
| Human Factors | 3 | 0.2% | 3 | Oulasvirta, Antti #24,968 |
| Behavioral Science & Comparative Psychology | 1 | 0.1% | 1 | Candolin, Ulrika #34,576 |
| Built Environment & Design · 14 listed authors (1.1%) |
| Building & Construction | 7 | 0.5% | 5 | Martinsuo, Miia Maarit #39,485 |
| Urban & Regional Planning | 5 | 0.4% | 4 | Stead, Dominic #25,285 |
| Design Practice & Management | 2 | 0.2% | 0 | Mikkola, Aki Matti #252,797 |
| Architecture | 1 | 0.1% | 1 | Pallasmaa, Juhani #92,430 |
| Communication & Textual Studies · 13 listed authors (1.0%) |
| Communication & Media Studies | 5 | 0.4% | 5 | Lehdonvirta, Vili #10,686 |
| Languages & Linguistics | 4 | 0.3% | 3 | Peräkylä, Anssi #57,958 |
| Literary Studies | 4 | 0.3% | 0 | Meretoja, Hanna #185,173 |
| Mathematics & Statistics · 9 listed authors (0.7%) |
| General Mathematics | 9 | 0.7% | 1 | Hästö, Peter A. #71,101 |
| Historical Studies · 4 listed authors (0.3%) |
| History | 5 | 0.4% | 0 | Trentmann, Frank #166,824 |
| Archaeology | 1 | 0.1% | 0 | Heyd, Volker #346,529 |
| Philosophy & Theology · 3 listed authors (0.2%) |
| Philosophy | 2 | 0.2% | 1 | Ylikoski, Petri #98,408 |
| Religions & Theology | 2 | 0.2% | 1 | Pihkala, Panu #4,267 |
| Visual & Performing Arts · 0 listed authors (0.0%) |
| Music | 2 | 0.2% | 0 | Westerlund, Heidi Maria #358,360 |