{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-average-years-of-total-schooling-age-45-49-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SCHL.4549","title":"Barro-Lee: Average years of total schooling, age 45-49, total","unit":null},"observations":[{"date":"1960-01-01","value":6.19},{"date":"1965-01-01","value":6.39},{"date":"1970-01-01","value":6.81},{"date":"1975-01-01","value":6.81},{"date":"1980-01-01","value":6.82},{"date":"1985-01-01","value":6.89},{"date":"1990-01-01","value":7.78},{"date":"1995-01-01","value":8.98},{"date":"2000-01-01","value":9.5},{"date":"2005-01-01","value":8.98},{"date":"2010-01-01","value":10.68}],"summary":{"latest_period":"2010-01-01","latest_value":10.68,"max":10.68,"mean":7.80273,"min":6.19,"of":144,"rank":48,"trend":"rising"}}