{"entity":{"iso2":"SL","iso3":"SLE","name":"Sierra Leone","slug":"sierra-leone"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"share-of-children-vaccinated-with-mcv2","source":"WHO & UNICEF (2025); UN, World Population Prospects (2024) \u2013 processed by Our World in Data","source_url":"https://ourworldindata.org/grapher/share-of-children-vaccinated-with-mcv2","title":"Share of children fully vaccinated against measles","unit":"%"},"observations":[{"date":"2015-01-01","value":60.0},{"date":"2016-01-01","value":50.0},{"date":"2017-01-01","value":55.0},{"date":"2018-01-01","value":64.0},{"date":"2019-01-01","value":72.0},{"date":"2020-01-01","value":67.0},{"date":"2021-01-01","value":67.0},{"date":"2022-01-01","value":73.0},{"date":"2023-01-01","value":73.0},{"date":"2024-01-01","value":73.0}],"summary":{"latest_period":"2024-01-01","latest_value":73.0,"max":73.0,"mean":65.4,"min":50.0,"of":179,"rank":133,"trend":"rising"}}