{"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-55-59-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SCHL.5559","title":"Barro-Lee: Average years of total schooling, age 55-59, total","unit":null},"observations":[{"date":"1960-01-01","value":5.22},{"date":"1965-01-01","value":6.01},{"date":"1970-01-01","value":6.6},{"date":"1975-01-01","value":6.75},{"date":"1980-01-01","value":6.75},{"date":"1985-01-01","value":6.78},{"date":"1990-01-01","value":7.34},{"date":"1995-01-01","value":8.06},{"date":"2000-01-01","value":8.46},{"date":"2005-01-01","value":8.08},{"date":"2010-01-01","value":9.93}],"summary":{"latest_period":"2010-01-01","latest_value":9.93,"max":9.93,"mean":7.27091,"min":5.22,"of":144,"rank":42,"trend":"rising"}}