{"entity":{"iso2":"LK","iso3":"LKA","name":"Sri Lanka","slug":"sri-lanka"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"pupil-teacher-ratio-for-primary-education-by-country","source":"UNESCO Institute for Statistics (2026) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/pupil-teacher-ratio-for-primary-education-by-country","title":"Pupils per qualified teacher in primary education","unit":"pupils per teacher"},"observations":[{"date":"2015-01-01","value":27.1888},{"date":"2016-01-01","value":27.0677},{"date":"2017-01-01","value":26.7674},{"date":"2018-01-01","value":26.4717},{"date":"2019-01-01","value":26.0016},{"date":"2020-01-01","value":25.9648},{"date":"2021-01-01","value":23.6446},{"date":"2022-01-01","value":23.058},{"date":"2023-01-01","value":21.9319}],"summary":{"latest_period":"2023-01-01","latest_value":21.9319,"max":27.1888,"mean":25.3441,"min":21.9319,"of":113,"rank":56,"trend":"falling"}}