Population from 15 to 64 years

Sofia (stolitsa) is the top region by population from 15 to 64 years in Bulgaria. As of 2018, population from 15 to 64 years in Sofia (stolitsa) was 906,013 persons that accounts for 19.85% of Bulgaria's population from 15 to 64 years. The top 5 regions (others are Plovdiv, Varna, Burgas, and Blagoevgrad) account for 46.61% of it. Bulgaria's total population from 15 to 64 years was estimated at 4.56 million persons in 2018.