{"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-preprimary","source":"Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)","source_url":"https://data.worldbank.org/indicator/SE.PRE.ENRL.TC.ZS","title":"Pupil-teacher ratio, preprimary","unit":null},"observations":[{"date":"1971-01-01","value":20.239},{"date":"1972-01-01","value":21.9845},{"date":"1973-01-01","value":20.9759},{"date":"1974-01-01","value":22.3362},{"date":"1975-01-01","value":29.0467},{"date":"1976-01-01","value":25.1144},{"date":"1977-01-01","value":23.2236},{"date":"1978-01-01","value":24.0155},{"date":"1979-01-01","value":18.948},{"date":"1980-01-01","value":18.8018},{"date":"1981-01-01","value":18.3839},{"date":"1982-01-01","value":24.6211},{"date":"1983-01-01","value":21.149},{"date":"1984-01-01","value":21.9849},{"date":"1985-01-01","value":15.1498},{"date":"1986-01-01","value":18.4618},{"date":"1987-01-01","value":21.2383},{"date":"1988-01-01","value":24.7941},{"date":"1989-01-01","value":26.4142},{"date":"1990-01-01","value":25.877},{"date":"1991-01-01","value":26.7009},{"date":"1992-01-01","value":28.5616},{"date":"1993-01-01","value":24.5264},{"date":"1994-01-01","value":20.506},{"date":"1995-01-01","value":23.0415},{"date":"1998-01-01","value":24.2242},{"date":"1999-01-01","value":23.2158},{"date":"2000-01-01","value":22.7077},{"date":"2001-01-01","value":23.2574},{"date":"2002-01-01","value":23.852},{"date":"2003-01-01","value":25.819},{"date":"2004-01-01","value":31.0807},{"date":"2005-01-01","value":26.9143}],"summary":{"latest_period":"2005-01-01","latest_value":26.9143,"max":31.0807,"mean":23.2475,"min":15.1498,"of":182,"rank":31,"trend":"rising"}}