Sofia University "St. Kliment Ohridski" ranked 1st in Bulgaria, 811th in the global 2025 rating, and scored in the TOP 50% across 115 research topics. Sofia University "St. Kliment Ohridski" ranking is based on 3 factors: research output (EduRank's index has 22,358 academic publications and 377,189 citations attributed to the university), non-academic reputation, and the impact of 264 notable alumni.
Sofia University "St. Kliment Ohridski" ranked 1st for Physics in Bulgaria and 895th in the World with 14,924 publications made and 298,658 citations received. Main research topics: Quantum and Particle physics, Materials Science, Optical Engineering, Nuclear Physics, Astrophysics and Astronomy.
Sofia University "St. Kliment Ohridski" ranked 1st for Engineering in Bulgaria and 1042nd in the World with 13,670 publications made and 260,522 citations received. Main research topics: Materials Science, Optical Engineering, Metallurgical Engineering, Electrical Engineering, Chemical Engineering.
Sofia University "St. Kliment Ohridski" ranked 1st for Chemistry in Bulgaria and 1099th in the World with 13,591 publications made and 259,637 citations received. Main research topics: Organic Chemistry, Materials Science, Biochemistry, Physical chemistry, Chemical Engineering.
Sofia University "St. Kliment Ohridski" ranked 1st for Biology in Bulgaria and 1389th in the World with 10,653 publications made and 177,377 citations received. Main research topics: Biochemistry, Genetics, Paleontology, Nanotechnology, Botany.
Sofia University "St. Kliment Ohridski" ranked 1st for Environmental Science in Bulgaria and 1368th in the World with 8,764 publications made and 161,078 citations received. Main research topics: Geology, Geography and Cartography, Ecology, Paleontology, Environmental Chemistry.
Sofia University "St. Kliment Ohridski" ranked 1st for Liberal Arts & Social Sciences in Bulgaria and 1621st in the World with 6,785 publications made and 107,933 citations received. Main research topics: Philosophy, Political Science, History, Law, Archaeology.
Sofia University "St. Kliment Ohridski" ranked 1st for Computer Science in Bulgaria and 1416th in the World with 6,460 publications made and 100,062 citations received. Main research topics: Artificial Intelligence (AI), Telecommunications, Computer Vision, Machine Learning, Computer Networking.
Sofia University "St. Kliment Ohridski" ranked 4th for Medicine in Bulgaria and 1759th in the World with 4,674 publications made and 67,069 citations received. Main research topics: Pathology, Psychiatry, Immunology, Surgery, Radiology and Nuclear medicine.
Sofia University "St. Kliment Ohridski" ranked 1st for Mathematics in Bulgaria and 1622nd in the World with 3,063 publications made and 51,542 citations received. Main research topics: Statistics, Applied Mathematics, Math Teachers, Econometrics and Mathematical Economics, Blockchain and Cryptography.
Sofia University "St. Kliment Ohridski" ranked 1st for Art & Design in Bulgaria and 1380th in the World with 1,400 publications made and 11,424 citations received. Main research topics: Literature, Fashion Design, Aesthetics, Computer Graphics, Multimedia.
Please note that our approach to subject rankings is based on scientific outputs and heavily biased on art-related topics towards institutions with computer science research profiles.