{"id":"worldbank.preprimary-education-duration.mli.annual","dataset_id":"worldbank-preprimary-education-duration","indicator":"preprimary-education-duration","geography":"MLI","frequency":"annual","unit":"years","start_period":"1999","end_period":"2025","org":"World Bank","original_indicator":"SE.PRE.DURS","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-05T23:59:57+00:00","version":"1","geography_name":"Mali","region":"Sub-Saharan Africa ","observations":[{"period":"1999","value":4.0,"flags":""},{"period":"2000","value":4.0,"flags":""},{"period":"2001","value":4.0,"flags":""},{"period":"2002","value":4.0,"flags":""},{"period":"2003","value":4.0,"flags":""},{"period":"2004","value":4.0,"flags":""},{"period":"2005","value":4.0,"flags":""},{"period":"2006","value":4.0,"flags":""},{"period":"2007","value":4.0,"flags":""},{"period":"2008","value":4.0,"flags":""},{"period":"2009","value":4.0,"flags":""},{"period":"2010","value":4.0,"flags":""},{"period":"2011","value":4.0,"flags":""},{"period":"2012","value":4.0,"flags":""},{"period":"2013","value":4.0,"flags":""},{"period":"2014","value":4.0,"flags":""},{"period":"2015","value":4.0,"flags":""},{"period":"2016","value":4.0,"flags":""},{"period":"2017","value":3.0,"flags":""},{"period":"2018","value":3.0,"flags":""},{"period":"2019","value":3.0,"flags":""},{"period":"2020","value":3.0,"flags":""},{"period":"2021","value":3.0,"flags":""},{"period":"2022","value":3.0,"flags":""},{"period":"2023","value":3.0,"flags":""},{"period":"2024","value":3.0,"flags":""},{"period":"2025","value":3.0,"flags":""}],"indicator_name":"Preprimary education, duration","topic":"Education","source":"worldbank","provenance":{"organization":"World Bank","original_indicator":"SE.PRE.DURS","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-05T23:59:57+00:00","version":"1","license":"see source"}}