{"entity":{"iso2":"CA","iso3":"CAN","name":"Canada","slug":"canada"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"ipv1-number-unvaccinated","source":"WHO & UNICEF (2025); UN, World Population Prospects (2024) \u2013 processed by Our World in Data","source_url":"https://ourworldindata.org/grapher/ipv1-number-unvaccinated","title":"Number of one-year-olds who have not received the inactivated polio vaccine","unit":"one-year-olds"},"observations":[{"date":"2015-01-01","value":19314.9},{"date":"2016-01-01","value":34891.6},{"date":"2017-01-01","value":23256.5},{"date":"2018-01-01","value":23106.1},{"date":"2019-01-01","value":34342.4},{"date":"2020-01-01","value":30191.1},{"date":"2021-01-01","value":29790.4},{"date":"2022-01-01","value":29888.9},{"date":"2023-01-01","value":29755.8}],"summary":{"latest_period":"2023-01-01","latest_value":29755.8,"max":34891.6,"mean":28282.0,"min":19314.9,"of":194,"rank":67,"trend":"rising"}}