{"entity":{"iso2":"TZ","iso3":"TZA","name":"Tanzania","slug":"tanzania"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"average-schooling-vs-expected-schooling","source":"UNDP, Human Development Report (2025) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/average-schooling-vs-expected-schooling","title":"Average years of schooling vs. expected years of schooling","unit":"years"},"observations":[{"date":"1990-01-01","value":3.3319},{"date":"1991-01-01","value":3.4226},{"date":"1992-01-01","value":3.5133},{"date":"1993-01-01","value":3.604},{"date":"1994-01-01","value":3.69471},{"date":"1995-01-01","value":3.78541},{"date":"1996-01-01","value":3.87426},{"date":"1997-01-01","value":3.96311},{"date":"1998-01-01","value":4.05196},{"date":"1999-01-01","value":4.14081},{"date":"2000-01-01","value":4.22966},{"date":"2001-01-01","value":4.26483},{"date":"2002-01-01","value":4.3},{"date":"2003-01-01","value":4.415},{"date":"2004-01-01","value":4.53},{"date":"2005-01-01","value":4.645},{"date":"2006-01-01","value":4.76},{"date":"2007-01-01","value":4.875},{"date":"2008-01-01","value":4.99},{"date":"2009-01-01","value":5.105},{"date":"2010-01-01","value":5.22},{"date":"2011-01-01","value":5.335},{"date":"2012-01-01","value":5.45},{"date":"2013-01-01","value":5.46452},{"date":"2014-01-01","value":5.47905},{"date":"2015-01-01","value":5.49357},{"date":"2016-01-01","value":5.52543},{"date":"2017-01-01","value":5.55729},{"date":"2018-01-01","value":5.58915},{"date":"2019-01-01","value":5.7082},{"date":"2020-01-01","value":5.82725},{"date":"2021-01-01","value":5.9463},{"date":"2022-01-01","value":6.06535},{"date":"2023-01-01","value":6.06535}],"summary":{"latest_period":"2023-01-01","latest_value":6.06535,"max":6.06535,"mean":4.77126,"min":3.3319,"of":192,"rank":153,"trend":"rising"}}