{"entity":{"iso2":"SL","iso3":"SLE","name":"Sierra Leone","slug":"sierra-leone"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-average-years-of-total-schooling-age-20-24-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SCHL.2024","title":"Barro-Lee: Average years of total schooling, age 20-24, total","unit":null},"observations":[{"date":"1960-01-01","value":0.58},{"date":"1965-01-01","value":0.99},{"date":"1970-01-01","value":1.33},{"date":"1975-01-01","value":1.91},{"date":"1980-01-01","value":2.31},{"date":"1985-01-01","value":2.76},{"date":"1990-01-01","value":3.27},{"date":"1995-01-01","value":3.47},{"date":"2000-01-01","value":3.97},{"date":"2005-01-01","value":4.24},{"date":"2010-01-01","value":6.67}],"summary":{"latest_period":"2010-01-01","latest_value":6.67,"max":6.67,"mean":2.86364,"min":0.58,"of":144,"rank":121,"trend":"volatile"}}