{"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-25-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SCHL.25UP","title":"Barro-Lee: Average years of total schooling, age 25+, total","unit":null},"observations":[{"date":"1960-01-01","value":6.08},{"date":"1965-01-01","value":6.23},{"date":"1970-01-01","value":6.78},{"date":"1975-01-01","value":6.82},{"date":"1980-01-01","value":7.24},{"date":"1985-01-01","value":7.58},{"date":"1990-01-01","value":8.3},{"date":"1995-01-01","value":9.14},{"date":"2000-01-01","value":9.08},{"date":"2005-01-01","value":9.23},{"date":"2010-01-01","value":10.71}],"summary":{"latest_period":"2010-01-01","latest_value":10.71,"max":10.71,"mean":7.92636,"min":6.08,"of":144,"rank":39,"trend":"rising"}}