{"id":"uis.uis-math-lowersec-npia.bgr.annual","dataset_id":"uis-math-lowersec-npia","indicator":"uis-math-lowersec-npia","geography":"BGR","frequency":"annual","unit":"parity index (1 = parity)","start_period":"2000","end_period":"2022","org":"UIS","original_indicator":"MATH.LOWERSEC.NPIA","url":"https://databrowser.uis.unesco.org/indicators/MATH.LOWERSEC.NPIA","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","geography_name":"Bulgaria","region":"Europe & Central Asia","observations":[{"period":"2000","value":1.073680758476257,"flags":""},{"period":"2006","value":0.3907270729541779,"flags":""},{"period":"2009","value":0.550110936164856,"flags":""},{"period":"2012","value":0.441904753446579,"flags":""},{"period":"2015","value":0.4875533580780029,"flags":""},{"period":"2018","value":0.7064714431762695,"flags":""},{"period":"2022","value":0.8954888752806697,"flags":""}],"indicator_name":"Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in mathematics, adjusted native parity index","topic":"Education","source":"uis","provenance":{"organization":"UIS","original_indicator":"MATH.LOWERSEC.NPIA","url":"https://databrowser.uis.unesco.org/indicators/MATH.LOWERSEC.NPIA","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","license":"see source"}}