{"entity":{"iso2":"IR","iso3":"IRN","name":"Iran, Islamic Republic of","slug":"iran-islamic-rep"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-average-years-of-total-schooling-age-70-74-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.SCHL.7074","title":"Barro-Lee: Average years of total schooling, age 70-74, 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":0.3},{"date":"1980-01-01","value":0.3},{"date":"1985-01-01","value":0.64},{"date":"1990-01-01","value":1.08},{"date":"1995-01-01","value":1.84},{"date":"2000-01-01","value":2.63},{"date":"2005-01-01","value":2.02},{"date":"2010-01-01","value":4.59}],"summary":{"latest_period":"2010-01-01","latest_value":4.59,"max":4.59,"mean":1.24727,"min":0.09,"of":144,"rank":77,"trend":"volatile"}}