{"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-40-44-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SCHL.4044","title":"Barro-Lee: Average years of total schooling, age 40-44, total","unit":null},"observations":[{"date":"1960-01-01","value":6.4},{"date":"1965-01-01","value":6.43},{"date":"1970-01-01","value":6.82},{"date":"1975-01-01","value":6.82},{"date":"1980-01-01","value":6.89},{"date":"1985-01-01","value":6.91},{"date":"1990-01-01","value":7.87},{"date":"1995-01-01","value":9.94},{"date":"2000-01-01","value":9.52},{"date":"2005-01-01","value":9.96},{"date":"2010-01-01","value":10.87}],"summary":{"latest_period":"2010-01-01","latest_value":10.87,"max":10.87,"mean":8.03909,"min":6.4,"of":144,"rank":51,"trend":"rising"}}