{"id":"uis.uis-illpop-ag15t99.ton.annual","dataset_id":"uis-illpop-ag15t99","indicator":"uis-illpop-ag15t99","geography":"TON","frequency":"annual","unit":"count","start_period":"2006","end_period":"2016","org":"UIS","original_indicator":"ILLPOP.AG15T99","url":"https://databrowser.uis.unesco.org/indicators/ILLPOP.AG15T99","retrieved_at":"2026-11-08T10:28:13+00:00","version":"1","geography_name":"Tonga","region":"East Asia & Pacific","observations":[{"period":"2006","value":619.0,"flags":""},{"period":"2011","value":396.0,"flags":""},{"period":"2016","value":1828.0,"flags":""}],"indicator_name":"Adult illiterate population, 15+ years, both sexes","topic":"Education","source":"uis","provenance":{"organization":"UIS","original_indicator":"ILLPOP.AG15T99","url":"https://databrowser.uis.unesco.org/indicators/ILLPOP.AG15T99","retrieved_at":"2026-11-08T10:28:13+00:00","version":"1","license":"see source"}}