Stranka desnog centra gradonačelnika Sofije Boyka Borissovog, Građani za evropski razvoj Bugarske (GERB), koja nije zastupljena u aktuelnom parlamentu, nastavila je voditi u anketama javnog mnjenja u decembru, uz 20,9% podrške građana s pravom glasa.
Sofia Mayor Boyko Borissov's centre-right party Citizens for European Development of Bulgaria (GERB), which is not represented in the current parliament, continued to lead in public opinion polls in December, with 20.9% support of eligible voters.