{"id":"uis.uis-math-lowersec.bgr.annual","dataset_id":"uis-math-lowersec","indicator":"uis-math-lowersec","geography":"BGR","frequency":"annual","unit":"percent","start_period":"2000","end_period":"2022","org":"UIS","original_indicator":"MATH.LOWERSEC","url":"https://databrowser.uis.unesco.org/indicators/MATH.LOWERSEC","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","geography_name":"Bulgaria","region":"Europe & Central Asia","observations":[{"period":"2000","value":54.5915863331821,"flags":""},{"period":"2006","value":46.72245606871508,"flags":""},{"period":"2009","value":52.879227512223,"flags":""},{"period":"2012","value":56.24342272309044,"flags":""},{"period":"2015","value":57.92653991655983,"flags":""},{"period":"2018","value":55.58715789511191,"flags":""},{"period":"2022","value":46.4,"flags":""}],"indicator_name":"Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in mathematics, both sexes","topic":"Education","source":"uis","provenance":{"organization":"UIS","original_indicator":"MATH.LOWERSEC","url":"https://databrowser.uis.unesco.org/indicators/MATH.LOWERSEC","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","license":"see source"}}