{"id":"worldbank.lower-secondary-school-starting-age.omn.annual","dataset_id":"worldbank-lower-secondary-school-starting-age","indicator":"lower-secondary-school-starting-age","geography":"OMN","frequency":"annual","unit":"years","start_period":"1970","end_period":"2025","org":"World Bank","original_indicator":"SE.SEC.AGES","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T07:57:03+00:00","version":"1","geography_name":"Oman","region":"Middle East, North Africa, Afghanistan & Pakistan","observations":[{"period":"1970","value":12.0,"flags":""},{"period":"1971","value":12.0,"flags":""},{"period":"1972","value":12.0,"flags":""},{"period":"1973","value":12.0,"flags":""},{"period":"1974","value":12.0,"flags":""},{"period":"1975","value":12.0,"flags":""},{"period":"1976","value":12.0,"flags":""},{"period":"1977","value":12.0,"flags":""},{"period":"1978","value":12.0,"flags":""},{"period":"1979","value":12.0,"flags":""},{"period":"1980","value":12.0,"flags":""},{"period":"1981","value":12.0,"flags":""},{"period":"1982","value":12.0,"flags":""},{"period":"1983","value":12.0,"flags":""},{"period":"1984","value":12.0,"flags":""},{"period":"1985","value":12.0,"flags":""},{"period":"1986","value":12.0,"flags":""},{"period":"1987","value":12.0,"flags":""},{"period":"1988","value":12.0,"flags":""},{"period":"1989","value":12.0,"flags":""},{"period":"1990","value":12.0,"flags":""},{"period":"1991","value":12.0,"flags":""},{"period":"1992","value":12.0,"flags":""},{"period":"1993","value":12.0,"flags":""},{"period":"1994","value":12.0,"flags":""},{"period":"1995","value":12.0,"flags":""},{"period":"1996","value":12.0,"flags":""},{"period":"1997","value":12.0,"flags":""},{"period":"1998","value":12.0,"flags":""},{"period":"1999","value":12.0,"flags":""},{"period":"2000","value":12.0,"flags":""},{"period":"2001","value":12.0,"flags":""},{"period":"2002","value":12.0,"flags":""},{"period":"2003","value":12.0,"flags":""},{"period":"2004","value":12.0,"flags":""},{"period":"2005","value":12.0,"flags":""},{"period":"2006","value":12.0,"flags":""},{"period":"2007","value":12.0,"flags":""},{"period":"2008","value":12.0,"flags":""},{"period":"2009","value":12.0,"flags":""},{"period":"2010","value":12.0,"flags":""},{"period":"2011","value":12.0,"flags":""},{"period":"2012","value":12.0,"flags":""},{"period":"2013","value":12.0,"flags":""},{"period":"2014","value":12.0,"flags":""},{"period":"2015","value":12.0,"flags":""},{"period":"2016","value":12.0,"flags":""},{"period":"2017","value":12.0,"flags":""},{"period":"2018","value":10.0,"flags":""},{"period":"2019","value":10.0,"flags":""},{"period":"2020","value":10.0,"flags":""},{"period":"2021","value":10.0,"flags":""},{"period":"2022","value":10.0,"flags":""},{"period":"2023","value":10.0,"flags":""},{"period":"2024","value":10.0,"flags":""},{"period":"2025","value":10.0,"flags":""}],"indicator_name":"Lower secondary school starting age","topic":"Education","source":"worldbank","provenance":{"organization":"World Bank","original_indicator":"SE.SEC.AGES","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T07:57:03+00:00","version":"1","license":"see source"}}