{"id":"uis.uis-sap-02.bgr.annual","dataset_id":"uis-sap-02","indicator":"uis-sap-02","geography":"BGR","frequency":"annual","unit":"count","start_period":"2001","end_period":"2024","org":"UIS","original_indicator":"SAP.02","url":"https://databrowser.uis.unesco.org/indicators/SAP.02","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","geography_name":"Bulgaria","region":"Europe & Central Asia","observations":[{"period":"2001","value":283257.0,"flags":"NAT_EST"},{"period":"2002","value":251956.0,"flags":"NAT_EST"},{"period":"2003","value":253569.0,"flags":"NAT_EST"},{"period":"2004","value":254200.0,"flags":"NAT_EST"},{"period":"2005","value":257983.0,"flags":"NAT_EST"},{"period":"2006","value":258224.0,"flags":"NAT_EST"},{"period":"2007","value":253204.0,"flags":"NAT_EST"},{"period":"2008","value":251826.0,"flags":"NAT_EST"},{"period":"2009","value":254824.0,"flags":"NAT_EST"},{"period":"2010","value":259518.0,"flags":"NAT_EST"},{"period":"2011","value":264426.0,"flags":"NAT_EST"},{"period":"2012","value":270127.0,"flags":"NAT_EST"},{"period":"2013","value":285039.0,"flags":"NAT_EST"},{"period":"2014","value":285420.0,"flags":"NAT_EST"},{"period":"2015","value":280323.0,"flags":"NAT_EST"},{"period":"2016","value":271233.0,"flags":"NAT_EST"},{"period":"2017","value":258039.0,"flags":"NAT_EST"},{"period":"2018","value":249734.0,"flags":"NAT_EST"},{"period":"2019","value":243759.0,"flags":"NAT_EST"},{"period":"2020","value":240487.0,"flags":"NAT_EST"},{"period":"2021","value":242601.0,"flags":"NAT_EST"},{"period":"2022","value":239135.0,"flags":"NAT_EST"},{"period":"2023","value":237419.0,"flags":"NAT_EST"},{"period":"2024","value":235403.0,"flags":"NAT_EST"}],"indicator_name":"School age population, pre-primary education, both sexes","topic":"Education","source":"uis","provenance":{"organization":"UIS","original_indicator":"SAP.02","url":"https://databrowser.uis.unesco.org/indicators/SAP.02","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","license":"see source"}}