{"entity":{"iso2":"IR","iso3":"IRN","name":"Iran","slug":"iran-islamic-rep"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pupil-teacher-ratio-primary","source":"Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)","source_url":"https://data.worldbank.org/indicator/SE.PRM.ENRL.TC.ZS","title":"Pupil-teacher ratio, primary","unit":null},"observations":[{"date":"1971-01-01","value":32.4389},{"date":"1972-01-01","value":31.3282},{"date":"1973-01-01","value":35.4949},{"date":"1974-01-01","value":30.3825},{"date":"1975-01-01","value":30.5075},{"date":"1976-01-01","value":29.3762},{"date":"1977-01-01","value":28.4765},{"date":"1978-01-01","value":32.4802},{"date":"1982-01-01","value":27.4149},{"date":"1983-01-01","value":19.9281},{"date":"1984-01-01","value":20.1629},{"date":"1985-01-01","value":20.614},{"date":"1986-01-01","value":21.9165},{"date":"1987-01-01","value":28.0275},{"date":"1988-01-01","value":29.341},{"date":"1989-01-01","value":29.889},{"date":"1991-01-01","value":31.3619},{"date":"1992-01-01","value":31.3431},{"date":"1993-01-01","value":31.867},{"date":"1994-01-01","value":31.6592},{"date":"1995-01-01","value":31.913},{"date":"1996-01-01","value":32.8683},{"date":"1997-01-01","value":31.7605},{"date":"1998-01-01","value":30.4097},{"date":"1999-01-01","value":26.5058},{"date":"2000-01-01","value":26.1487},{"date":"2001-01-01","value":25.3244},{"date":"2002-01-01","value":24.3846},{"date":"2003-01-01","value":23.6099},{"date":"2004-01-01","value":22.6044},{"date":"2005-01-01","value":21.7429},{"date":"2006-01-01","value":21.8482},{"date":"2007-01-01","value":21.7851},{"date":"2008-01-01","value":21.33},{"date":"2009-01-01","value":20.4884},{"date":"2013-01-01","value":25.6546},{"date":"2014-01-01","value":25.9184},{"date":"2015-01-01","value":26.7741},{"date":"2016-01-01","value":27.3212},{"date":"2017-01-01","value":28.5248}],"summary":{"latest_period":"2017-01-01","latest_value":28.5248,"max":35.4949,"mean":27.2732,"min":19.9281,"of":199,"rank":49,"trend":"falling"}}