{"entity":{"iso2":"ST","iso3":"STP","name":"Sao Tome and Principe","slug":"sao-tome-and-principe"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"literate-and-illiterate-world-population","source":"Our World in Data","source_url":"https://ourworldindata.org/grapher/literate-and-illiterate-world-population","title":"Literate and illiterate world population","unit":null},"observations":[{"date":"1950-01-01","value":82.5},{"date":"1981-01-01","value":42.68},{"date":"1991-01-01","value":26.76},{"date":"2001-01-01","value":15.09},{"date":"2012-01-01","value":9.86},{"date":"2019-01-01","value":12.56}],"summary":{"latest_period":"2019-01-01","latest_value":12.56,"max":82.5,"mean":31.575,"min":9.86,"of":128,"rank":47,"trend":"volatile"}}