{"entity":{"iso2":"1W","iso3":"WLD","name":"World","slug":"world"},"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":"1973-01-01","value":19.5034},{"date":"1974-01-01","value":19.7771},{"date":"1975-01-01","value":19.88},{"date":"1976-01-01","value":20.2779},{"date":"1977-01-01","value":20.8769},{"date":"1978-01-01","value":20.2392},{"date":"1979-01-01","value":20.1367},{"date":"1980-01-01","value":20.269},{"date":"1981-01-01","value":20.5758},{"date":"1982-01-01","value":20.2372},{"date":"1983-01-01","value":20.1027},{"date":"1984-01-01","value":19.9421},{"date":"1985-01-01","value":19.7802},{"date":"1986-01-01","value":19.7868},{"date":"1987-01-01","value":19.7655},{"date":"1988-01-01","value":19.8256},{"date":"1989-01-01","value":19.8159},{"date":"1990-01-01","value":19.4218},{"date":"1991-01-01","value":19.2123},{"date":"1992-01-01","value":19.5328},{"date":"1993-01-01","value":19.9992},{"date":"1994-01-01","value":20.035},{"date":"1995-01-01","value":20.1416},{"date":"1996-01-01","value":20.2603},{"date":"1997-01-01","value":20.0211},{"date":"1998-01-01","value":20.3143},{"date":"1999-01-01","value":19.307},{"date":"2000-01-01","value":18.3654},{"date":"2001-01-01","value":18.5186},{"date":"2002-01-01","value":17.9736},{"date":"2003-01-01","value":17.452},{"date":"2004-01-01","value":17.2254},{"date":"2005-01-01","value":16.9697},{"date":"2006-01-01","value":17.4732},{"date":"2007-01-01","value":17.409},{"date":"2008-01-01","value":17.4695},{"date":"2009-01-01","value":17.7011},{"date":"2010-01-01","value":17.6861},{"date":"2011-01-01","value":17.7264},{"date":"2012-01-01","value":17.8999},{"date":"2013-01-01","value":18.2703},{"date":"2014-01-01","value":17.7529},{"date":"2015-01-01","value":17.7092},{"date":"2016-01-01","value":17.8265},{"date":"2017-01-01","value":17.7206},{"date":"2018-01-01","value":17.4506}],"summary":{"latest_period":"2018-01-01","latest_value":17.4506,"max":20.8769,"mean":19.0356,"min":16.9697,"of":null,"rank":null,"trend":"falling"}}