{"entity":{"iso2":"ZM","iso3":"ZMB","name":"Zambia","slug":"zambia"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"mean-years-of-schooling-long-run","source":"Our World in Data","source_url":"https://ourworldindata.org/grapher/mean-years-of-schooling-long-run","title":"Mean years of schooling long run","unit":null},"observations":[{"date":"1870-01-01","value":0.01},{"date":"1875-01-01","value":0.01},{"date":"1880-01-01","value":0.01},{"date":"1885-01-01","value":0.01},{"date":"1890-01-01","value":0.01},{"date":"1895-01-01","value":0.01},{"date":"1900-01-01","value":0.01},{"date":"1905-01-01","value":0.01},{"date":"1910-01-01","value":0.16},{"date":"1915-01-01","value":0.29},{"date":"1920-01-01","value":0.39},{"date":"1925-01-01","value":0.48},{"date":"1930-01-01","value":0.97},{"date":"1935-01-01","value":1.14},{"date":"1940-01-01","value":1.32},{"date":"1945-01-01","value":1.56},{"date":"1950-01-01","value":1.84},{"date":"1955-01-01","value":2.03},{"date":"1960-01-01","value":2.36},{"date":"1965-01-01","value":2.68},{"date":"1970-01-01","value":3.12},{"date":"1975-01-01","value":3.81},{"date":"1980-01-01","value":4.36},{"date":"1985-01-01","value":4.77},{"date":"1990-01-01","value":5.02},{"date":"1995-01-01","value":6.03},{"date":"2000-01-01","value":6.35},{"date":"2005-01-01","value":6.59},{"date":"2010-01-01","value":7.4},{"date":"2015-01-01","value":7.9},{"date":"2020-01-01","value":8.37}],"summary":{"latest_period":"2020-01-01","latest_value":8.37,"max":8.37,"mean":2.54903,"min":0.01,"of":111,"rank":72,"trend":"volatile"}}