{"entity":{"iso2":"PE","iso3":"PER","name":"Peru","slug":"peru"},"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":10960.1},{"date":"2016-01-01","value":32533.5},{"date":"2017-01-01","value":26923.7},{"date":"2018-01-01","value":26918.1},{"date":"2019-01-01","value":21578.3},{"date":"2020-01-01","value":43236.2},{"date":"2021-01-01","value":59479.1},{"date":"2022-01-01","value":37721.7},{"date":"2023-01-01","value":48320.3}],"summary":{"latest_period":"2023-01-01","latest_value":48320.3,"max":59479.1,"mean":34185.7,"min":10960.1,"of":194,"rank":53,"trend":"rising"}}