{"id":"uis.uis-math-lowersec-nonnative.bgr.annual","dataset_id":"uis-math-lowersec-nonnative","indicator":"uis-math-lowersec-nonnative","geography":"BGR","frequency":"annual","unit":"percent","start_period":"2000","end_period":"2022","org":"UIS","original_indicator":"MATH.LOWERSEC.NONNATIVE","url":"https://databrowser.uis.unesco.org/indicators/MATH.LOWERSEC.NONNATIVE","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","geography_name":"Bulgaria","region":"Europe & Central Asia","observations":[{"period":"2000","value":60.26,"flags":""},{"period":"2006","value":18.54,"flags":""},{"period":"2009","value":29.75,"flags":""},{"period":"2012","value":25.52,"flags":""},{"period":"2015","value":29.06733696408823,"flags":""},{"period":"2018","value":40.52518258566622,"flags":""},{"period":"2022","value":43.87,"flags":""}],"indicator_name":"Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in mathematics, immigrant background, both sexes","topic":"Education","source":"uis","provenance":{"organization":"UIS","original_indicator":"MATH.LOWERSEC.NONNATIVE","url":"https://databrowser.uis.unesco.org/indicators/MATH.LOWERSEC.NONNATIVE","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","license":"see source"}}