{"id":"worldbank.school-enrollment-preprimary.ton.annual","dataset_id":"worldbank-school-enrollment-preprimary","indicator":"school-enrollment-preprimary","geography":"TON","frequency":"annual","unit":"percent","start_period":"1975","end_period":"2020","org":"World Bank","original_indicator":"SE.PRE.ENRR","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T07:57:03+00:00","version":"1","geography_name":"Tonga","region":"East Asia & Pacific","observations":[{"period":"1975","value":7.06292009353638,"flags":""},{"period":"1998","value":19.989330291748,"flags":""},{"period":"1999","value":28.2325191497803,"flags":""},{"period":"2004","value":21.5062007904053,"flags":""},{"period":"2012","value":36.7585182189941,"flags":""},{"period":"2014","value":41.2952194213867,"flags":""},{"period":"2015","value":45.8130111694336,"flags":""},{"period":"2018","value":45.2247200012207,"flags":""},{"period":"2019","value":49.3802490234375,"flags":""},{"period":"2020","value":48.3202590942383,"flags":""}],"indicator_name":"School enrollment, preprimary","topic":"Education","source":"worldbank","provenance":{"organization":"World Bank","original_indicator":"SE.PRE.ENRR","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T07:57:03+00:00","version":"1","license":"see source"}}