It is the first time in the history of the prestigious THE rating that Sofia University has been included. Sofia University is among the top 800 in the "801+" group, and is the only Bulgarian academic institution to be part of the list.
The international rating system is based on 13 criteria grouped in five domains: teaching (study environment); research (number of works, income, reputation); citations, international prestige and income. The grades given for teaching, research and citations form 30% of the overall grade, international prestige is given 7.5%, and the income - 2.5%.
This year’s rating includes 980 academic institutions from 79 countries. The top position is occupied by the University of Oxford, the latter taking the place of the California Institute of Technology (Caltech), which was the leader for.five consecutive years.