{"entity":{"iso2":"MC","iso3":"MCO","name":"Monaco","slug":"monaco"},"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":"2017-01-01","value":3.64},{"date":"2018-01-01","value":3.76},{"date":"2019-01-01","value":3.76},{"date":"2020-01-01","value":3.78},{"date":"2021-01-01","value":3.61},{"date":"2022-01-01","value":3.52},{"date":"2023-01-01","value":3.51}],"summary":{"latest_period":"2023-01-01","latest_value":3.51,"max":3.78,"mean":3.65429,"min":3.51,"of":194,"rank":191,"trend":"falling"}}