{"entity":{"iso2":"1W","iso3":"WLD","name":"World","slug":"world"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pupil-qualified-teacher-ratio-in-pre-primary-education-headcount-basis","source":"UNESCO Institute for Statistics","source_url":"https://data.worldbank.org/indicator/UIS.PTRHC.02.QUALIFIED","title":"Pupil-qualified teacher ratio in pre-primary education (headcount basis)","unit":"headcount basis"},"observations":[{"date":"2015-01-01","value":24.4884},{"date":"2016-01-01","value":22.4891},{"date":"2017-01-01","value":23.4268},{"date":"2018-01-01","value":22.3874},{"date":"2019-01-01","value":21.5885}],"summary":{"latest_period":"2019-01-01","latest_value":21.5885,"max":24.4884,"mean":22.876,"min":21.5885,"of":25,"rank":17,"trend":"falling"}}