NavGeneral InfoEmail Print Original or alternative title НАСЕЛЕНИЕ ПО ОБЛАСТИ, ВЪЗРАСТ, МЕСТОЖИВЕЕНЕ И ПОЛ Provider National Statistical Institute of BulgariaTabulations only Geography Bulgaria (BGR) Coverage type Country Time period covered 01/2001 - present Data type Vital registration Summary These data provide the number of population by five-year age groups and sex. Keywords Population, Vital statistics Citation Contributors National Statistical Institute of Bulgaria Suggested citation National Statistical Institute of Bulgaria. Bulgaria Population by Age (5-year Age Group), and Sex. GHDx Entry last modified on: Nov 6, 2018