{"id":"worldbank.preprimary-education-duration.bel.annual","dataset_id":"worldbank-preprimary-education-duration","indicator":"preprimary-education-duration","geography":"BEL","frequency":"annual","unit":"years","start_period":"2018","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":"Belgium","region":"Europe & Central Asia","observations":[{"period":"2018","value":6.0,"flags":""},{"period":"2019","value":6.0,"flags":""},{"period":"2020","value":6.0,"flags":""},{"period":"2021","value":6.0,"flags":""},{"period":"2022","value":6.0,"flags":""},{"period":"2023","value":6.0,"flags":""},{"period":"2024","value":6.0,"flags":""},{"period":"2025","value":6.0,"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"}}