{"entity":{"iso2":"MG","iso3":"MDG","name":"Madagascar","slug":"madagascar"},"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":559984.0},{"date":"2016-01-01","value":405520.0},{"date":"2017-01-01","value":305563.0},{"date":"2018-01-01","value":245193.0},{"date":"2019-01-01","value":277856.0},{"date":"2020-01-01","value":320836.0},{"date":"2021-01-01","value":400361.0},{"date":"2022-01-01","value":397216.0},{"date":"2023-01-01","value":346189.0}],"summary":{"latest_period":"2023-01-01","latest_value":346189.0,"max":559984.0,"mean":362080.0,"min":245193.0,"of":194,"rank":13,"trend":"falling"}}