 The population of Bulgaria is 7 @,@ 364 @,@ 570 people according to the 2011 national census . The majority of the population , or 72 @.@ 5 per cent , reside in urban areas ; approximately one @-@ sixth of the total population is concentrated in Sofia . Bulgarians are the main ethnic group and comprise 84 @.@ 8 per cent of the population . Turkish and Roma minorities comprise 8 @.@ 8 and 4 @.@ 9 per cent , respectively ; some 40 smaller minorities comprise 0 @.@ 7 per cent , and 0 @.@ 8 per cent do not self @-@ identify with an ethnic group . 
