{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"literate-and-illiterate-world-population","source":"UNESCO (1957) and other sources \u2013 with major processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/literate-and-illiterate-world-population","title":"Literate and illiterate world population","unit":"%"},"observations":[{"date":"1900-01-01","value":70.4},{"date":"1905-01-01","value":65.5},{"date":"1910-01-01","value":57.8},{"date":"1920-01-01","value":46.7},{"date":"1926-01-01","value":39.7},{"date":"1934-01-01","value":31.4},{"date":"1950-01-01","value":22.5},{"date":"2001-01-01","value":1.8},{"date":"2011-01-01","value":1.65}],"summary":{"latest_period":"2011-01-01","latest_value":1.65,"max":70.4,"mean":37.4944,"min":1.65,"of":128,"rank":103,"trend":"volatile"}}