{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-percentage-of-population-age-45-49-with-secondary-schooling-completed-secondary","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SEC.CMPT.4549.ZS","title":"Barro-Lee: Percentage of population age 45-49 with secondary schooling. Completed Secondary","unit":null},"observations":[{"date":"1960-01-01","value":4.22},{"date":"1965-01-01","value":4.53},{"date":"1970-01-01","value":4.11},{"date":"1975-01-01","value":4.11},{"date":"1980-01-01","value":4.74},{"date":"1985-01-01","value":4.74},{"date":"1990-01-01","value":6.25},{"date":"1995-01-01","value":7.35},{"date":"2000-01-01","value":11.3},{"date":"2005-01-01","value":8.8},{"date":"2010-01-01","value":42.8}],"summary":{"latest_period":"2010-01-01","latest_value":42.8,"max":42.8,"mean":9.35909,"min":4.11,"of":144,"rank":33,"trend":"volatile"}}