{"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-secondary-schooling-age-25-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SEC.SCHL.25UP","title":"Barro-Lee: Average years of secondary schooling, age 25+, total","unit":null},"observations":[{"date":"1960-01-01","value":1.77},{"date":"1965-01-01","value":1.82},{"date":"1970-01-01","value":1.87},{"date":"1975-01-01","value":1.89},{"date":"1980-01-01","value":2.17},{"date":"1985-01-01","value":2.4},{"date":"1990-01-01","value":2.77},{"date":"1995-01-01","value":3.18},{"date":"2000-01-01","value":3.09},{"date":"2005-01-01","value":3.13},{"date":"2010-01-01","value":4.64}],"summary":{"latest_period":"2010-01-01","latest_value":4.64,"max":4.64,"mean":2.61182,"min":1.77,"of":144,"rank":24,"trend":"rising"}}