Bulgaria ranks last in the EU with just 12 priests per 100,000 people. There are more than 8,000 churches and monasteries in the country, or 10 times more temples than clergy, according to the latest national census of 2021.

51.4% or 3 million said they believe in God. 24.7% declared themselves non-believers. 13 percent could not define if they are believers and 11% did not want to answer. During the previous census in 2011, 60.4% said they were religious and 22% declared themselves non-religious. 4,219,270 people (71.5%) of those who answered the question identified themselves as Christians. 97% of Christians are Orthodox. In 1992, 86.7% of the respondents were Christians. Protestants are 1.7%, Catholics are 0.9% and Armenian Christians - 0.1%. Muslims are 638,708 or 10.8% of the respondents; Jewish people are 1,736, while 6,451 people profess other religions.