{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"literacy-rates-vs-average-years-of-schooling","source":"Our World in Data","source_url":"https://ourworldindata.org/grapher/literacy-rates-vs-average-years-of-schooling","title":"Literacy rates vs average years of schooling","unit":null},"observations":[{"date":"1475-01-01","value":0.0},{"date":"1550-01-01","value":0.0},{"date":"1650-01-01","value":3.0},{"date":"1750-01-01","value":5.0},{"date":"1950-01-01","value":92.5},{"date":"1978-01-01","value":98.74}],"summary":{"latest_period":"1978-01-01","latest_value":98.74,"max":98.74,"mean":33.2067,"min":0.0,"of":128,"rank":15,"trend":"volatile"}}