{"entity":{"iso2":"TZ","iso3":"TZA","name":"Tanzania","slug":"tanzania"},"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":"1950-01-01","value":92.5},{"date":"1988-01-01","value":40.89},{"date":"2002-01-01","value":30.57},{"date":"2012-01-01","value":21.9},{"date":"2014-01-01","value":20.1051},{"date":"2015-01-01","value":22.11},{"date":"2020-01-01","value":17.7639},{"date":"2022-01-01","value":21.79}],"summary":{"latest_period":"2022-01-01","latest_value":21.79,"max":92.5,"mean":33.4536,"min":17.7639,"of":128,"rank":38,"trend":"volatile"}}