{"entity":{"iso2":"IR","iso3":"IRN","name":"Iran","slug":"iran-islamic-rep"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-average-years-of-total-schooling-age-75-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SCHL.75UP","title":"Barro-Lee: Average years of total schooling, age 75+, total","unit":null},"observations":[{"date":"1960-01-01","value":0.09},{"date":"1965-01-01","value":0.11},{"date":"1970-01-01","value":0.12},{"date":"1975-01-01","value":0.13},{"date":"1980-01-01","value":0.23},{"date":"1985-01-01","value":0.29},{"date":"1990-01-01","value":1.0},{"date":"1995-01-01","value":1.73},{"date":"2000-01-01","value":2.63},{"date":"2005-01-01","value":1.93},{"date":"2010-01-01","value":4.37}],"summary":{"latest_period":"2010-01-01","latest_value":4.37,"max":4.37,"mean":1.14818,"min":0.09,"of":144,"rank":66,"trend":"volatile"}}