{"entity":{"iso2":"LK","iso3":"LKA","name":"Sri Lanka","slug":"sri-lanka"},"indicator":{"licence":"CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)","slug":"pupil-trained-teacher-ratio-in-pre-primary-education-headcount-basis-2","source":"UNESCO Institute for Statistics","source_url":"https://data.uis.unesco.org/?indicator=PTRHC.02.TRAINED","title":"Pupil-trained teacher ratio in pre-primary education (headcount basis)","unit":"headcount basis"},"observations":[{"date":"2010-01-01","value":18.7943},{"date":"2012-01-01","value":20.0167},{"date":"2013-01-01","value":20.0126},{"date":"2014-01-01","value":15.958},{"date":"2015-01-01","value":20.8649},{"date":"2017-01-01","value":15.895},{"date":"2018-01-01","value":15.0491},{"date":"2020-01-01","value":13.8841},{"date":"2021-01-01","value":35.51},{"date":"2022-01-01","value":27.095},{"date":"2023-01-01","value":30.9508}],"summary":{"latest_period":"2023-01-01","latest_value":30.9508,"max":35.51,"mean":21.2755,"min":13.8841,"of":113,"rank":31,"trend":"rising"}}