Sofia University "St. Kliment Ohridski" ranked 1st in Bulgaria, 839th in the global 2026 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 22,994 academic publications and 397,283 citations attributed to the university), non-academic reputation, and the impact of 280 notable alumni.
Sofia University "St. Kliment Ohridski" ranked 1st for Physics in Bulgaria and 909th in the World with 15,272 publications made and 312,037 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 1068th in the World with 13,968 publications made and 273,637 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 1131st in the World with 13,873 publications made and 272,490 citations received. Main research topics: Organic Chemistry, Materials Science, Biochemistry, Chemical Engineering, Physical chemistry.
Sofia University "St. Kliment Ohridski" ranked 1st for Biology in Bulgaria and 1413th in the World with 11,013 publications made and 189,925 citations received. Main research topics: Biochemistry, Genetics, Paleontology, Nanotechnology, Botany.
Sofia University "St. Kliment Ohridski" ranked 1st for Environmental Science in Bulgaria and 1387th in the World with 9,023 publications made and 169,863 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 1632nd in the World with 7,028 publications made and 115,579 citations received. Main research topics: Philosophy, Political Science, History, Law, Archaeology.
Sofia University "St. Kliment Ohridski" ranked 1st for Computer Science in Bulgaria and 1461st in the World with 6,637 publications made and 105,399 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 1774th in the World with 4,887 publications made and 73,469 citations received. Main research topics: Pathology, Psychiatry, Immunology, Surgery, Anatomy and Physiology.
Sofia University "St. Kliment Ohridski" ranked 1st for Mathematics in Bulgaria and 1651st in the World with 3,134 publications made and 51,053 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 1375th in the World with 1,441 publications made and 12,437 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.
