{"entity":{"iso2":"MT","iso3":"MLT","name":"Malta","slug":"malta"},"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":86.46},{"date":"2016-01-01","value":135.72},{"date":"2017-01-01","value":94.36},{"date":"2018-01-01","value":47.31},{"date":"2019-01-01","value":94.72},{"date":"2020-01-01","value":45.85},{"date":"2021-01-01","value":44.46},{"date":"2022-01-01","value":44.47},{"date":"2023-01-01","value":43.59}],"summary":{"latest_period":"2023-01-01","latest_value":43.59,"max":135.72,"mean":70.7711,"min":43.59,"of":194,"rank":180,"trend":"falling"}}